diff --git a/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js b/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js
index 7c449ef77387b..bc69af0ead1fe 100644
--- a/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js
+++ b/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js
@@ -132,16 +132,16 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-2",
-          "--render-start-2",
+          "--schedule-render-1",
+          "--render-start-1",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-2",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-1",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -153,10 +153,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<div />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+            Array [
+              "--schedule-render-16",
+            ]
+        `);
 
       clearPendingMarks();
 
@@ -164,15 +164,15 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -199,14 +199,14 @@ describe('Timeline profiler', () => {
       expect(Scheduler).toFlushAndYieldThrough(['Foo']);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-128",
-          "--render-start-128",
-          "--component-render-start-Foo",
-          "--component-render-stop",
-          "--render-yield",
-        ]
-      `);
+            Array [
+              "--schedule-render-64",
+              "--render-start-64",
+              "--component-render-start-Foo",
+              "--component-render-stop",
+              "--render-yield",
+            ]
+        `);
     });
 
     // @reactVersion >=18.0
@@ -224,19 +224,19 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-2",
-          "--render-start-2",
+          "--schedule-render-1",
+          "--render-start-1",
           "--component-render-start-Example",
           "--component-render-stop",
-          "--suspense-suspend-0-Example-mount-2-",
+          "--suspense-suspend-0-Example-mount-1-",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-2",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-1",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -267,19 +267,19 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-2",
-          "--render-start-2",
+          "--schedule-render-1",
+          "--render-start-1",
           "--component-render-start-Example",
           "--component-render-stop",
-          "--suspense-suspend-0-Example-mount-2-",
+          "--suspense-suspend-0-Example-mount-1-",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-2",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-1",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -305,10 +305,10 @@ describe('Timeline profiler', () => {
       );
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+            Array [
+              "--schedule-render-16",
+            ]
+        `);
 
       clearPendingMarks();
 
@@ -316,18 +316,18 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
-          "--suspense-suspend-0-Example-mount-32-",
+          "--suspense-suspend-0-Example-mount-16-",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -357,10 +357,10 @@ describe('Timeline profiler', () => {
       );
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+            Array [
+              "--schedule-render-16",
+            ]
+        `);
 
       clearPendingMarks();
 
@@ -368,18 +368,18 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
-          "--suspense-suspend-0-Example-mount-32-",
+          "--suspense-suspend-0-Example-mount-16-",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -410,10 +410,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<Example />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+            Array [
+              "--schedule-render-16",
+            ]
+        `);
 
       clearPendingMarks();
 
@@ -421,29 +421,29 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
-          "--schedule-state-update-2-Example",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
+          "--schedule-state-update-1-Example",
           "--layout-effects-stop",
-          "--render-start-2",
+          "--render-start-1",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
           "--commit-stop",
         ]
@@ -464,10 +464,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<Example />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+                Array [
+                  "--schedule-render-16",
+                ]
+          `);
 
       clearPendingMarks();
 
@@ -475,29 +475,29 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
-          "--schedule-forced-update-2-Example",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
+          "--schedule-forced-update-1-Example",
           "--layout-effects-stop",
-          "--render-start-2",
+          "--render-start-1",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
           "--commit-stop",
         ]
@@ -519,10 +519,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<Example />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+                Array [
+                  "--schedule-render-16",
+                ]
+          `);
 
       clearPendingMarks();
 
@@ -540,18 +540,18 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
-          "--schedule-state-update-32-Example",
+          "--schedule-state-update-16-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -574,10 +574,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<Example />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+                Array [
+                  "--schedule-render-16",
+                ]
+          `);
 
       clearPendingMarks();
 
@@ -595,18 +595,18 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
-          "--schedule-forced-update-32-Example",
+          "--schedule-forced-update-16-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -626,10 +626,10 @@ describe('Timeline profiler', () => {
       renderRootHelper(<Example />);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+                Array [
+                  "--schedule-render-16",
+                ]
+          `);
 
       clearPendingMarks();
 
@@ -637,31 +637,31 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--component-layout-effect-mount-start-Example",
-          "--schedule-state-update-2-Example",
+          "--schedule-state-update-1-Example",
           "--component-layout-effect-mount-stop",
           "--layout-effects-stop",
-          "--render-start-2",
+          "--render-start-1",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
           "--commit-stop",
         ]
@@ -684,35 +684,35 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-32",
-          "--render-start-32",
+          "--schedule-render-16",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
-          "--passive-effects-start-32",
+          "--passive-effects-start-16",
           "--component-passive-effect-mount-start-Example",
-          "--schedule-state-update-32-Example",
+          "--schedule-state-update-16-Example",
           "--component-passive-effect-mount-stop",
           "--passive-effects-stop",
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
         ]
       `);
@@ -734,19 +734,19 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-32",
-          "--render-start-32",
+          "--schedule-render-16",
+          "--render-start-16",
           "--component-render-start-Example",
-          "--schedule-state-update-32-Example",
+          "--schedule-state-update-16-Example",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--layout-effects-stop",
           "--commit-stop",
         ]
@@ -782,8 +782,8 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-2",
-          "--render-start-2",
+          "--schedule-render-1",
+          "--render-start-1",
           "--component-render-start-ErrorBoundary",
           "--component-render-stop",
           "--component-render-start-ExampleThatThrows",
@@ -791,26 +791,26 @@ describe('Timeline profiler', () => {
           "--component-render-stop",
           "--error-ExampleThatThrows-mount-Expected error",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-2",
-          "--schedule-state-update-2-ErrorBoundary",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-1",
+          "--schedule-state-update-1-ErrorBoundary",
           "--layout-effects-stop",
           "--commit-stop",
-          "--render-start-2",
+          "--render-start-1",
           "--component-render-start-ErrorBoundary",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
         ]
       `);
@@ -845,10 +845,10 @@ describe('Timeline profiler', () => {
       );
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--schedule-render-32",
-        ]
-      `);
+                Array [
+                  "--schedule-render-16",
+                ]
+          `);
 
       clearPendingMarks();
 
@@ -856,7 +856,7 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-ErrorBoundary",
           "--component-render-stop",
           "--component-render-start-ExampleThatThrows",
@@ -864,7 +864,7 @@ describe('Timeline profiler', () => {
           "--component-render-stop",
           "--error-ExampleThatThrows-mount-Expected error",
           "--render-stop",
-          "--render-start-32",
+          "--render-start-16",
           "--component-render-start-ErrorBoundary",
           "--component-render-stop",
           "--component-render-start-ExampleThatThrows",
@@ -872,25 +872,25 @@ describe('Timeline profiler', () => {
           "--component-render-stop",
           "--error-ExampleThatThrows-mount-Expected error",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
-          "--schedule-state-update-2-ErrorBoundary",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
+          "--schedule-state-update-1-ErrorBoundary",
           "--layout-effects-stop",
-          "--render-start-2",
+          "--render-start-1",
           "--component-render-start-ErrorBoundary",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--commit-stop",
           "--commit-stop",
         ]
@@ -947,18 +947,18 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-32",
-          "--render-start-32",
+          "--schedule-render-16",
+          "--render-start-16",
           "--component-render-start-ComponentWithEffects",
           "--component-render-stop",
           "--render-stop",
-          "--commit-start-32",
+          "--commit-start-16",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-          "--layout-effects-start-32",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--layout-effects-start-16",
           "--component-layout-effect-mount-start-ComponentWithEffects",
           "--component-layout-effect-mount-stop",
           "--component-layout-effect-mount-start-ComponentWithEffects",
@@ -977,17 +977,17 @@ describe('Timeline profiler', () => {
       ]);
 
       expect(clearedMarks).toMatchInlineSnapshot(`
-        Array [
-          "--passive-effects-start-32",
-          "--component-passive-effect-mount-start-ComponentWithEffects",
-          "--component-passive-effect-mount-stop",
-          "--component-passive-effect-mount-start-ComponentWithEffects",
-          "--component-passive-effect-mount-stop",
-          "--component-passive-effect-mount-start-ComponentWithEffects",
-          "--component-passive-effect-mount-stop",
-          "--passive-effects-stop",
-        ]
-      `);
+            Array [
+              "--passive-effects-start-16",
+              "--component-passive-effect-mount-start-ComponentWithEffects",
+              "--component-passive-effect-mount-stop",
+              "--component-passive-effect-mount-start-ComponentWithEffects",
+              "--component-passive-effect-mount-stop",
+              "--component-passive-effect-mount-start-ComponentWithEffects",
+              "--component-passive-effect-mount-stop",
+              "--passive-effects-stop",
+            ]
+        `);
 
       clearPendingMarks();
 
@@ -1005,22 +1005,22 @@ describe('Timeline profiler', () => {
 
       expect(clearedMarks).toMatchInlineSnapshot(`
         Array [
-          "--schedule-render-2",
-          "--render-start-2",
+          "--schedule-render-1",
+          "--render-start-1",
           "--render-stop",
-          "--commit-start-2",
+          "--commit-start-1",
           "--react-version-<filtered-version>",
           "--profiler-version-1",
           "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
           "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-          "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+          "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
           "--component-layout-effect-unmount-start-ComponentWithEffects",
           "--component-layout-effect-unmount-stop",
           "--component-layout-effect-unmount-start-ComponentWithEffects",
           "--component-layout-effect-unmount-stop",
-          "--layout-effects-start-2",
+          "--layout-effects-start-1",
           "--layout-effects-stop",
-          "--passive-effects-start-2",
+          "--passive-effects-start-1",
           "--component-passive-effect-unmount-start-ComponentWithEffects",
           "--component-passive-effect-unmount-stop",
           "--component-passive-effect-unmount-start-ComponentWithEffects",
@@ -1040,16 +1040,16 @@ describe('Timeline profiler', () => {
 
         expect(clearedMarks).toMatchInlineSnapshot(`
           Array [
-            "--schedule-render-2",
-            "--render-start-2",
+            "--schedule-render-1",
+            "--render-start-1",
             "--render-stop",
-            "--commit-start-2",
+            "--commit-start-1",
             "--react-version-<filtered-version>",
             "--profiler-version-1",
             "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
             "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-            "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-            "--layout-effects-start-2",
+            "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+            "--layout-effects-start-1",
             "--layout-effects-stop",
             "--commit-stop",
           ]
@@ -1060,10 +1060,10 @@ describe('Timeline profiler', () => {
       it('regression test DefaultLane', () => {
         renderRootHelper(<div />);
         expect(clearedMarks).toMatchInlineSnapshot(`
-          Array [
-            "--schedule-render-32",
-          ]
-        `);
+                    Array [
+                      "--schedule-render-16",
+                    ]
+              `);
       });
 
       // @reactVersion >=18.0
@@ -1090,18 +1090,18 @@ describe('Timeline profiler', () => {
 
         expect(clearedMarks).toMatchInlineSnapshot(`
           Array [
-            "--schedule-state-update-2-App",
-            "--render-start-2",
+            "--schedule-state-update-1-App",
+            "--render-start-1",
             "--component-render-start-App",
             "--component-render-stop",
             "--render-stop",
-            "--commit-start-2",
+            "--commit-start-1",
             "--react-version-<filtered-version>",
             "--profiler-version-1",
             "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
             "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-            "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-            "--layout-effects-start-2",
+            "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+            "--layout-effects-start-1",
             "--layout-effects-stop",
             "--commit-stop",
           ]
@@ -1131,18 +1131,18 @@ describe('Timeline profiler', () => {
 
         expect(clearedMarks).toMatchInlineSnapshot(`
           Array [
-            "--schedule-state-update-8-App",
-            "--render-start-8",
+            "--schedule-state-update-4-App",
+            "--render-start-4",
             "--component-render-start-App",
             "--component-render-stop",
             "--render-stop",
-            "--commit-start-8",
+            "--commit-start-4",
             "--react-version-<filtered-version>",
             "--profiler-version-1",
             "--react-internal-module-start-  at filtered (<anonymous>:0:0)",
             "--react-internal-module-stop-  at filtered (<anonymous>:1:1)",
-            "--react-lane-labels-SyncHydrationLane,Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
-            "--layout-effects-start-8",
+            "--react-lane-labels-Sync,InputContinuousHydration,InputContinuous,DefaultHydration,Default,TransitionHydration,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Transition,Retry,Retry,Retry,Retry,Retry,SelectiveHydration,IdleHydration,Idle,Offscreen",
+            "--layout-effects-start-4",
             "--layout-effects-stop",
             "--commit-stop",
           ]
@@ -1213,7 +1213,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1230,7 +1230,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1272,7 +1272,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000001000",
+              "lanes": "0b0000000000000000000000000000100",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
@@ -1281,7 +1281,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000010000000",
+              "lanes": "0b0000000000000000000000001000000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
@@ -1290,7 +1290,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000010000000",
+              "lanes": "0b0000000000000000000000001000000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
@@ -1299,7 +1299,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
@@ -1629,7 +1629,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1638,7 +1638,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 20,
               "type": "schedule-state-update",
               "warning": null,
@@ -1689,14 +1689,14 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
             },
             Object {
               "componentName": "Example",
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 20,
               "type": "schedule-force-update",
               "warning": null,
@@ -1758,7 +1758,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1767,7 +1767,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
@@ -1828,14 +1828,14 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
             },
             Object {
               "componentName": "Example",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 20,
               "type": "schedule-force-update",
               "warning": null,
@@ -1891,7 +1891,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1900,7 +1900,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 21,
               "type": "schedule-state-update",
               "warning": null,
@@ -1955,7 +1955,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -1964,7 +1964,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 21,
               "type": "schedule-state-update",
               "warning": null,
@@ -2005,7 +2005,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2014,7 +2014,7 @@ describe('Timeline profiler', () => {
               "componentName": "Example",
               "componentStack": "
               in Example (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 20,
               "type": "schedule-state-update",
               "warning": null,
@@ -2090,7 +2090,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2099,7 +2099,7 @@ describe('Timeline profiler', () => {
               "componentName": "ErrorBoundary",
               "componentStack": "
               in ErrorBoundary (at **)",
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 20,
               "type": "schedule-state-update",
               "warning": null,
@@ -2204,7 +2204,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2213,7 +2213,7 @@ describe('Timeline profiler', () => {
               "componentName": "ErrorBoundary",
               "componentStack": "
               in ErrorBoundary (at **)",
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 30,
               "type": "schedule-state-update",
               "warning": null,
@@ -2395,7 +2395,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2403,7 +2403,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2411,7 +2411,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2419,7 +2419,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2427,7 +2427,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
@@ -2437,7 +2437,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2445,7 +2445,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2453,7 +2453,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2461,7 +2461,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2469,7 +2469,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
@@ -2505,7 +2505,7 @@ describe('Timeline profiler', () => {
         expect(timelineData.schedulingEvents).toMatchInlineSnapshot(`
           Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2515,7 +2515,7 @@ describe('Timeline profiler', () => {
               "componentStack": "
               in Child (at **)
               in CommponentWithChildren (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
diff --git a/packages/react-devtools-shared/src/__tests__/preprocessData-test.js b/packages/react-devtools-shared/src/__tests__/preprocessData-test.js
index 38a7d5e99b0a6..6c38ce6c9953a 100644
--- a/packages/react-devtools-shared/src/__tests__/preprocessData-test.js
+++ b/packages/react-devtools-shared/src/__tests__/preprocessData-test.js
@@ -629,7 +629,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.01,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.006,
                   "type": "render-idle",
                 },
@@ -637,7 +637,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.006,
                   "type": "render",
                 },
@@ -645,7 +645,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.008,
                   "type": "commit",
                 },
@@ -653,7 +653,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.014,
                   "type": "layout-effects",
                 },
@@ -714,13 +714,12 @@ describe('Timeline profiler', () => {
               30 => "Offscreen",
             },
             "laneToReactMeasureMap": Map {
-              0 => Array [],
-              1 => Array [
+              0 => Array [
                 Object {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.01,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.006,
                   "type": "render-idle",
                 },
@@ -728,7 +727,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.006,
                   "type": "render",
                 },
@@ -736,7 +735,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.008,
                   "type": "commit",
                 },
@@ -744,11 +743,12 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000001",
+                  "lanes": "0b0000000000000000000000000000000",
                   "timestamp": 0.014,
                   "type": "layout-effects",
                 },
               ],
+              1 => Array [],
               2 => Array [],
               3 => Array [],
               4 => Array [],
@@ -785,7 +785,7 @@ describe('Timeline profiler', () => {
             "reactVersion": "<filtered-version>",
             "schedulingEvents": Array [
               Object {
-                "lanes": "0b0000000000000000000000000000001",
+                "lanes": "0b0000000000000000000000000000000",
                 "timestamp": 0.005,
                 "type": "schedule-render",
                 "warning": null,
@@ -827,7 +827,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.012,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.006,
                   "type": "render-idle",
                 },
@@ -835,7 +835,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.006,
                   "type": "render",
                 },
@@ -843,7 +843,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.01,
                   "type": "commit",
                 },
@@ -851,7 +851,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.016,
                   "type": "layout-effects",
                 },
@@ -859,7 +859,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.004,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.019,
                   "type": "passive-effects",
                 },
@@ -869,7 +869,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.012,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.024,
                   "type": "render-idle",
                 },
@@ -877,7 +877,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.024,
                   "type": "render",
                 },
@@ -885,7 +885,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.028,
                   "type": "commit",
                 },
@@ -893,7 +893,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.034,
                   "type": "layout-effects",
                 },
@@ -901,7 +901,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.037,
                   "type": "passive-effects",
                 },
@@ -995,13 +995,12 @@ describe('Timeline profiler', () => {
               1 => Array [],
               2 => Array [],
               3 => Array [],
-              4 => Array [],
-              5 => Array [
+              4 => Array [
                 Object {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.012,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.006,
                   "type": "render-idle",
                 },
@@ -1009,7 +1008,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.006,
                   "type": "render",
                 },
@@ -1017,7 +1016,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.01,
                   "type": "commit",
                 },
@@ -1025,7 +1024,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.016,
                   "type": "layout-effects",
                 },
@@ -1033,7 +1032,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 0,
                   "depth": 0,
                   "duration": 0.004,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.019,
                   "type": "passive-effects",
                 },
@@ -1041,7 +1040,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.012,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.024,
                   "type": "render-idle",
                 },
@@ -1049,7 +1048,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.024,
                   "type": "render",
                 },
@@ -1057,7 +1056,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.008,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.028,
                   "type": "commit",
                 },
@@ -1065,7 +1064,7 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 1,
                   "duration": 0.001,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.034,
                   "type": "layout-effects",
                 },
@@ -1073,11 +1072,12 @@ describe('Timeline profiler', () => {
                   "batchUID": 1,
                   "depth": 0,
                   "duration": 0.003,
-                  "lanes": "0b0000000000000000000000000000101",
+                  "lanes": "0b0000000000000000000000000000100",
                   "timestamp": 0.037,
                   "type": "passive-effects",
                 },
               ],
+              5 => Array [],
               6 => Array [],
               7 => Array [],
               8 => Array [],
@@ -1110,14 +1110,14 @@ describe('Timeline profiler', () => {
             "reactVersion": "<filtered-version>",
             "schedulingEvents": Array [
               Object {
-                "lanes": "0b0000000000000000000000000000101",
+                "lanes": "0b0000000000000000000000000000100",
                 "timestamp": 0.005,
                 "type": "schedule-render",
                 "warning": null,
               },
               Object {
                 "componentName": "App",
-                "lanes": "0b0000000000000000000000000000101",
+                "lanes": "0b0000000000000000000000000000100",
                 "timestamp": 0.021,
                 "type": "schedule-state-update",
                 "warning": null,
@@ -1963,7 +1963,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -1971,7 +1971,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -1979,7 +1979,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -1987,7 +1987,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -1998,13 +1998,13 @@ describe('Timeline profiler', () => {
           "flamechart": Array [],
           "internalModuleSourceToRanges": Map {},
           "laneToLabelMap": Map {
-            1 => "SyncHydrationLane",
-            2 => "Sync",
-            4 => "InputContinuousHydration",
-            8 => "InputContinuous",
-            16 => "DefaultHydration",
-            32 => "Default",
-            64 => "TransitionHydration",
+            1 => "Sync",
+            2 => "InputContinuousHydration",
+            4 => "InputContinuous",
+            8 => "DefaultHydration",
+            16 => "Default",
+            32 => "TransitionHydration",
+            64 => "Transition",
             128 => "Transition",
             256 => "Transition",
             512 => "Transition",
@@ -2020,7 +2020,7 @@ describe('Timeline profiler', () => {
             524288 => "Transition",
             1048576 => "Transition",
             2097152 => "Transition",
-            4194304 => "Transition",
+            4194304 => "Retry",
             8388608 => "Retry",
             16777216 => "Retry",
             33554432 => "Retry",
@@ -2031,13 +2031,12 @@ describe('Timeline profiler', () => {
             1073741824 => "Offscreen",
           },
           "laneToReactMeasureMap": Map {
-            1 => Array [],
-            2 => Array [
+            1 => Array [
               Object {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2045,7 +2044,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2053,7 +2052,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2061,11 +2060,12 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000000010",
+                "lanes": "0b0000000000000000000000000000001",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
             ],
+            2 => Array [],
             4 => Array [],
             8 => Array [],
             16 => Array [],
@@ -2102,7 +2102,7 @@ describe('Timeline profiler', () => {
           "reactVersion": "<filtered-version>",
           "schedulingEvents": Array [
             Object {
-              "lanes": "0b0000000000000000000000000000010",
+              "lanes": "0b0000000000000000000000000000001",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2153,7 +2153,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2161,7 +2161,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2169,7 +2169,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2177,7 +2177,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2185,7 +2185,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
@@ -2195,7 +2195,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2203,7 +2203,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2211,7 +2211,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2219,7 +2219,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2227,7 +2227,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
@@ -2267,13 +2267,13 @@ describe('Timeline profiler', () => {
           "flamechart": Array [],
           "internalModuleSourceToRanges": Map {},
           "laneToLabelMap": Map {
-            1 => "SyncHydrationLane",
-            2 => "Sync",
-            4 => "InputContinuousHydration",
-            8 => "InputContinuous",
-            16 => "DefaultHydration",
-            32 => "Default",
-            64 => "TransitionHydration",
+            1 => "Sync",
+            2 => "InputContinuousHydration",
+            4 => "InputContinuous",
+            8 => "DefaultHydration",
+            16 => "Default",
+            32 => "TransitionHydration",
+            64 => "Transition",
             128 => "Transition",
             256 => "Transition",
             512 => "Transition",
@@ -2289,7 +2289,7 @@ describe('Timeline profiler', () => {
             524288 => "Transition",
             1048576 => "Transition",
             2097152 => "Transition",
-            4194304 => "Transition",
+            4194304 => "Retry",
             8388608 => "Retry",
             16777216 => "Retry",
             33554432 => "Retry",
@@ -2304,13 +2304,12 @@ describe('Timeline profiler', () => {
             2 => Array [],
             4 => Array [],
             8 => Array [],
-            16 => Array [],
-            32 => Array [
+            16 => Array [
               Object {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2318,7 +2317,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2326,7 +2325,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2334,7 +2333,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2342,7 +2341,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 1,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
@@ -2350,7 +2349,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render-idle",
               },
@@ -2358,7 +2357,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "render",
               },
@@ -2366,7 +2365,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "commit",
               },
@@ -2374,7 +2373,7 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 1,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "layout-effects",
               },
@@ -2382,11 +2381,12 @@ describe('Timeline profiler', () => {
                 "batchUID": 2,
                 "depth": 0,
                 "duration": 0,
-                "lanes": "0b0000000000000000000000000100000",
+                "lanes": "0b0000000000000000000000000010000",
                 "timestamp": 10,
                 "type": "passive-effects",
               },
             ],
+            32 => Array [],
             64 => Array [],
             128 => Array [],
             256 => Array [],
@@ -2419,7 +2419,7 @@ describe('Timeline profiler', () => {
           "reactVersion": "<filtered-version>",
           "schedulingEvents": Array [
             Object {
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-render",
               "warning": null,
@@ -2428,7 +2428,7 @@ describe('Timeline profiler', () => {
               "componentName": "App",
               "componentStack": "
             in App (at **)",
-              "lanes": "0b0000000000000000000000000100000",
+              "lanes": "0b0000000000000000000000000010000",
               "timestamp": 10,
               "type": "schedule-state-update",
               "warning": null,
diff --git a/packages/react-dom/src/__tests__/ReactDOMServerSelectiveHydration-test.internal.js b/packages/react-dom/src/__tests__/ReactDOMServerSelectiveHydration-test.internal.js
index 8a3668cd0d396..a8f06a3227b16 100644
--- a/packages/react-dom/src/__tests__/ReactDOMServerSelectiveHydration-test.internal.js
+++ b/packages/react-dom/src/__tests__/ReactDOMServerSelectiveHydration-test.internal.js
@@ -21,7 +21,6 @@ let Suspense;
 let act;
 
 let IdleEventPriority;
-let ContinuousEventPriority;
 
 function dispatchMouseHoverEvent(to, from) {
   if (!to) {
@@ -111,18 +110,6 @@ function TODO_scheduleIdleDOMSchedulerTask(fn) {
   });
 }
 
-function TODO_scheduleContinuousSchedulerTask(fn) {
-  ReactDOM.unstable_runWithPriority(ContinuousEventPriority, () => {
-    const prevEvent = window.event;
-    window.event = {type: 'message'};
-    try {
-      fn();
-    } finally {
-      window.event = prevEvent;
-    }
-  });
-}
-
 describe('ReactDOMServerSelectiveHydration', () => {
   beforeEach(() => {
     jest.resetModuleRegistry();
@@ -138,8 +125,6 @@ describe('ReactDOMServerSelectiveHydration', () => {
     Suspense = React.Suspense;
 
     IdleEventPriority = require('react-reconciler/constants').IdleEventPriority;
-    ContinuousEventPriority = require('react-reconciler/constants')
-      .ContinuousEventPriority;
   });
 
   it('hydrates the target boundary synchronously during a click', async () => {
@@ -1785,104 +1770,4 @@ describe('ReactDOMServerSelectiveHydration', () => {
 
     document.body.removeChild(container);
   });
-
-  it('can force hydration in response to sync update', () => {
-    function Child({text}) {
-      Scheduler.unstable_yieldValue(`Child ${text}`);
-      return <span ref={ref => (spanRef = ref)}>{text}</span>;
-    }
-    function App({text}) {
-      Scheduler.unstable_yieldValue(`App ${text}`);
-      return (
-        <div>
-          <Suspense fallback={null}>
-            <Child text={text} />
-          </Suspense>
-        </div>
-      );
-    }
-
-    let spanRef;
-    const finalHTML = ReactDOMServer.renderToString(<App text="A" />);
-    expect(Scheduler).toHaveYielded(['App A', 'Child A']);
-    const container = document.createElement('div');
-    document.body.appendChild(container);
-    container.innerHTML = finalHTML;
-    const initialSpan = container.getElementsByTagName('span')[0];
-    const root = ReactDOMClient.hydrateRoot(container, <App text="A" />);
-    expect(Scheduler).toFlushUntilNextPaint(['App A']);
-
-    ReactDOM.flushSync(() => {
-      root.render(<App text="B" />);
-    });
-    expect(Scheduler).toHaveYielded(['App B', 'Child A', 'App B', 'Child B']);
-    expect(initialSpan).toBe(spanRef);
-  });
-
-  // @gate experimental || www
-  it('can force hydration in response to continuous update', () => {
-    function Child({text}) {
-      Scheduler.unstable_yieldValue(`Child ${text}`);
-      return <span ref={ref => (spanRef = ref)}>{text}</span>;
-    }
-    function App({text}) {
-      Scheduler.unstable_yieldValue(`App ${text}`);
-      return (
-        <div>
-          <Suspense fallback={null}>
-            <Child text={text} />
-          </Suspense>
-        </div>
-      );
-    }
-
-    let spanRef;
-    const finalHTML = ReactDOMServer.renderToString(<App text="A" />);
-    expect(Scheduler).toHaveYielded(['App A', 'Child A']);
-    const container = document.createElement('div');
-    document.body.appendChild(container);
-    container.innerHTML = finalHTML;
-    const initialSpan = container.getElementsByTagName('span')[0];
-    const root = ReactDOMClient.hydrateRoot(container, <App text="A" />);
-    expect(Scheduler).toFlushUntilNextPaint(['App A']);
-
-    TODO_scheduleContinuousSchedulerTask(() => {
-      root.render(<App text="B" />);
-    });
-    expect(Scheduler).toFlushAndYield(['App B', 'Child A', 'App B', 'Child B']);
-    expect(initialSpan).toBe(spanRef);
-  });
-
-  it('can force hydration in response to default update', () => {
-    function Child({text}) {
-      Scheduler.unstable_yieldValue(`Child ${text}`);
-      return <span ref={ref => (spanRef = ref)}>{text}</span>;
-    }
-    function App({text}) {
-      Scheduler.unstable_yieldValue(`App ${text}`);
-      return (
-        <div>
-          <Suspense fallback={null}>
-            <Child text={text} />
-          </Suspense>
-        </div>
-      );
-    }
-
-    let spanRef;
-    const finalHTML = ReactDOMServer.renderToString(<App text="A" />);
-    expect(Scheduler).toHaveYielded(['App A', 'Child A']);
-    const container = document.createElement('div');
-    document.body.appendChild(container);
-    container.innerHTML = finalHTML;
-    const initialSpan = container.getElementsByTagName('span')[0];
-    const root = ReactDOMClient.hydrateRoot(container, <App text="A" />);
-    expect(Scheduler).toFlushUntilNextPaint(['App A']);
-
-    ReactDOM.unstable_batchedUpdates(() => {
-      root.render(<App text="B" />);
-    });
-    expect(Scheduler).toFlushAndYield(['App B', 'Child A', 'App B', 'Child B']);
-    expect(initialSpan).toBe(spanRef);
-  });
 });
diff --git a/packages/react-reconciler/src/ReactFiberLane.new.js b/packages/react-reconciler/src/ReactFiberLane.new.js
index cc3781bd7b3ed..6f36f52f161d6 100644
--- a/packages/react-reconciler/src/ReactFiberLane.new.js
+++ b/packages/react-reconciler/src/ReactFiberLane.new.js
@@ -36,39 +36,39 @@ export const TotalLanes = 31;
 export const NoLanes: Lanes = /*                        */ 0b0000000000000000000000000000000;
 export const NoLane: Lane = /*                          */ 0b0000000000000000000000000000000;
 
-export const SyncHydrationLane: Lane = /*               */ 0b0000000000000000000000000000001;
-export const SyncLane: Lane = /*                        */ 0b0000000000000000000000000000010;
-
-export const InputContinuousHydrationLane: Lane = /*    */ 0b0000000000000000000000000000100;
-export const InputContinuousLane: Lane = /*             */ 0b0000000000000000000000000001000;
-
-export const DefaultHydrationLane: Lane = /*            */ 0b0000000000000000000000000010000;
-export const DefaultLane: Lane = /*                     */ 0b0000000000000000000000000100000;
-
-const TransitionHydrationLane: Lane = /*                */ 0b0000000000000000000000001000000;
-const TransitionLanes: Lanes = /*                       */ 0b0000000011111111111111110000000;
-const TransitionLane1: Lane = /*                        */ 0b0000000000000000000000010000000;
-const TransitionLane2: Lane = /*                        */ 0b0000000000000000000000100000000;
-const TransitionLane3: Lane = /*                        */ 0b0000000000000000000001000000000;
-const TransitionLane4: Lane = /*                        */ 0b0000000000000000000010000000000;
-const TransitionLane5: Lane = /*                        */ 0b0000000000000000000100000000000;
-const TransitionLane6: Lane = /*                        */ 0b0000000000000000001000000000000;
-const TransitionLane7: Lane = /*                        */ 0b0000000000000000010000000000000;
-const TransitionLane8: Lane = /*                        */ 0b0000000000000000100000000000000;
-const TransitionLane9: Lane = /*                        */ 0b0000000000000001000000000000000;
-const TransitionLane10: Lane = /*                       */ 0b0000000000000010000000000000000;
-const TransitionLane11: Lane = /*                       */ 0b0000000000000100000000000000000;
-const TransitionLane12: Lane = /*                       */ 0b0000000000001000000000000000000;
-const TransitionLane13: Lane = /*                       */ 0b0000000000010000000000000000000;
-const TransitionLane14: Lane = /*                       */ 0b0000000000100000000000000000000;
-const TransitionLane15: Lane = /*                       */ 0b0000000001000000000000000000000;
-const TransitionLane16: Lane = /*                       */ 0b0000000010000000000000000000000;
-
-const RetryLanes: Lanes = /*                            */ 0b0000111100000000000000000000000;
-const RetryLane1: Lane = /*                             */ 0b0000000100000000000000000000000;
-const RetryLane2: Lane = /*                             */ 0b0000001000000000000000000000000;
-const RetryLane3: Lane = /*                             */ 0b0000010000000000000000000000000;
-const RetryLane4: Lane = /*                             */ 0b0000100000000000000000000000000;
+export const SyncLane: Lane = /*                        */ 0b0000000000000000000000000000001;
+
+export const InputContinuousHydrationLane: Lane = /*    */ 0b0000000000000000000000000000010;
+export const InputContinuousLane: Lane = /*             */ 0b0000000000000000000000000000100;
+
+export const DefaultHydrationLane: Lane = /*            */ 0b0000000000000000000000000001000;
+export const DefaultLane: Lane = /*                     */ 0b0000000000000000000000000010000;
+
+const TransitionHydrationLane: Lane = /*                */ 0b0000000000000000000000000100000;
+const TransitionLanes: Lanes = /*                       */ 0b0000000001111111111111111000000;
+const TransitionLane1: Lane = /*                        */ 0b0000000000000000000000001000000;
+const TransitionLane2: Lane = /*                        */ 0b0000000000000000000000010000000;
+const TransitionLane3: Lane = /*                        */ 0b0000000000000000000000100000000;
+const TransitionLane4: Lane = /*                        */ 0b0000000000000000000001000000000;
+const TransitionLane5: Lane = /*                        */ 0b0000000000000000000010000000000;
+const TransitionLane6: Lane = /*                        */ 0b0000000000000000000100000000000;
+const TransitionLane7: Lane = /*                        */ 0b0000000000000000001000000000000;
+const TransitionLane8: Lane = /*                        */ 0b0000000000000000010000000000000;
+const TransitionLane9: Lane = /*                        */ 0b0000000000000000100000000000000;
+const TransitionLane10: Lane = /*                       */ 0b0000000000000001000000000000000;
+const TransitionLane11: Lane = /*                       */ 0b0000000000000010000000000000000;
+const TransitionLane12: Lane = /*                       */ 0b0000000000000100000000000000000;
+const TransitionLane13: Lane = /*                       */ 0b0000000000001000000000000000000;
+const TransitionLane14: Lane = /*                       */ 0b0000000000010000000000000000000;
+const TransitionLane15: Lane = /*                       */ 0b0000000000100000000000000000000;
+const TransitionLane16: Lane = /*                       */ 0b0000000001000000000000000000000;
+
+const RetryLanes: Lanes = /*                            */ 0b0000111110000000000000000000000;
+const RetryLane1: Lane = /*                             */ 0b0000000010000000000000000000000;
+const RetryLane2: Lane = /*                             */ 0b0000000100000000000000000000000;
+const RetryLane3: Lane = /*                             */ 0b0000001000000000000000000000000;
+const RetryLane4: Lane = /*                             */ 0b0000010000000000000000000000000;
+const RetryLane5: Lane = /*                             */ 0b0000100000000000000000000000000;
 
 export const SomeRetryLane: Lane = RetryLane1;
 
@@ -85,9 +85,6 @@ export const OffscreenLane: Lane = /*                   */ 0b1000000000000000000
 // It should be kept in sync with the Lanes values above.
 export function getLabelForLane(lane: Lane): string | void {
   if (enableSchedulingProfiler) {
-    if (lane & SyncHydrationLane) {
-      return 'SyncHydrationLane';
-    }
     if (lane & SyncLane) {
       return 'Sync';
     }
@@ -134,8 +131,6 @@ let nextRetryLane: Lane = RetryLane1;
 
 function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
   switch (getHighestPriorityLane(lanes)) {
-    case SyncHydrationLane:
-      return SyncHydrationLane;
     case SyncLane:
       return SyncLane;
     case InputContinuousHydrationLane:
@@ -169,6 +164,7 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       return lanes & RetryLanes;
     case SelectiveHydrationLane:
       return SelectiveHydrationLane;
@@ -331,7 +327,6 @@ export function getMostRecentEventTime(root: FiberRoot, lanes: Lanes): number {
 
 function computeExpirationTime(lane: Lane, currentTime: number) {
   switch (lane) {
-    case SyncHydrationLane:
     case SyncLane:
     case InputContinuousHydrationLane:
     case InputContinuousLane:
@@ -369,6 +364,7 @@ function computeExpirationTime(lane: Lane, currentTime: number) {
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       // TODO: Retries should be allowed to expire if they are CPU bound for
       // too long, but when I made this change it caused a spike in browser
       // crashes. There must be some other underlying bug; not super urgent but
@@ -463,7 +459,7 @@ export function getLanesToRetrySynchronouslyOnError(
 }
 
 export function includesSyncLane(lanes: Lanes): boolean {
-  return (lanes & (SyncLane | SyncHydrationLane)) !== NoLanes;
+  return (lanes & SyncLane) !== NoLanes;
 }
 
 export function includesNonIdleWork(lanes: Lanes): boolean {
@@ -473,8 +469,6 @@ export function includesOnlyRetries(lanes: Lanes): boolean {
   return (lanes & RetryLanes) === lanes;
 }
 export function includesOnlyNonUrgentLanes(lanes: Lanes): boolean {
-  // TODO: Should hydration lanes be included here? This function is only
-  // used in `updateDeferredValueImpl`.
   const UrgentLanes = SyncLane | InputContinuousLane | DefaultLane;
   return (lanes & UrgentLanes) === NoLanes;
 }
@@ -755,9 +749,6 @@ export function getBumpedLaneForHydration(
 
   let lane;
   switch (renderLane) {
-    case SyncLane:
-      lane = SyncHydrationLane;
-      break;
     case InputContinuousLane:
       lane = InputContinuousHydrationLane;
       break;
@@ -784,6 +775,7 @@ export function getBumpedLaneForHydration(
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       lane = TransitionHydrationLane;
       break;
     case IdleLane:
diff --git a/packages/react-reconciler/src/ReactFiberLane.old.js b/packages/react-reconciler/src/ReactFiberLane.old.js
index 110893a036530..4a045359fd16f 100644
--- a/packages/react-reconciler/src/ReactFiberLane.old.js
+++ b/packages/react-reconciler/src/ReactFiberLane.old.js
@@ -36,39 +36,39 @@ export const TotalLanes = 31;
 export const NoLanes: Lanes = /*                        */ 0b0000000000000000000000000000000;
 export const NoLane: Lane = /*                          */ 0b0000000000000000000000000000000;
 
-export const SyncHydrationLane: Lane = /*               */ 0b0000000000000000000000000000001;
-export const SyncLane: Lane = /*                        */ 0b0000000000000000000000000000010;
-
-export const InputContinuousHydrationLane: Lane = /*    */ 0b0000000000000000000000000000100;
-export const InputContinuousLane: Lane = /*             */ 0b0000000000000000000000000001000;
-
-export const DefaultHydrationLane: Lane = /*            */ 0b0000000000000000000000000010000;
-export const DefaultLane: Lane = /*                     */ 0b0000000000000000000000000100000;
-
-const TransitionHydrationLane: Lane = /*                */ 0b0000000000000000000000001000000;
-const TransitionLanes: Lanes = /*                       */ 0b0000000011111111111111110000000;
-const TransitionLane1: Lane = /*                        */ 0b0000000000000000000000010000000;
-const TransitionLane2: Lane = /*                        */ 0b0000000000000000000000100000000;
-const TransitionLane3: Lane = /*                        */ 0b0000000000000000000001000000000;
-const TransitionLane4: Lane = /*                        */ 0b0000000000000000000010000000000;
-const TransitionLane5: Lane = /*                        */ 0b0000000000000000000100000000000;
-const TransitionLane6: Lane = /*                        */ 0b0000000000000000001000000000000;
-const TransitionLane7: Lane = /*                        */ 0b0000000000000000010000000000000;
-const TransitionLane8: Lane = /*                        */ 0b0000000000000000100000000000000;
-const TransitionLane9: Lane = /*                        */ 0b0000000000000001000000000000000;
-const TransitionLane10: Lane = /*                       */ 0b0000000000000010000000000000000;
-const TransitionLane11: Lane = /*                       */ 0b0000000000000100000000000000000;
-const TransitionLane12: Lane = /*                       */ 0b0000000000001000000000000000000;
-const TransitionLane13: Lane = /*                       */ 0b0000000000010000000000000000000;
-const TransitionLane14: Lane = /*                       */ 0b0000000000100000000000000000000;
-const TransitionLane15: Lane = /*                       */ 0b0000000001000000000000000000000;
-const TransitionLane16: Lane = /*                       */ 0b0000000010000000000000000000000;
-
-const RetryLanes: Lanes = /*                            */ 0b0000111100000000000000000000000;
-const RetryLane1: Lane = /*                             */ 0b0000000100000000000000000000000;
-const RetryLane2: Lane = /*                             */ 0b0000001000000000000000000000000;
-const RetryLane3: Lane = /*                             */ 0b0000010000000000000000000000000;
-const RetryLane4: Lane = /*                             */ 0b0000100000000000000000000000000;
+export const SyncLane: Lane = /*                        */ 0b0000000000000000000000000000001;
+
+export const InputContinuousHydrationLane: Lane = /*    */ 0b0000000000000000000000000000010;
+export const InputContinuousLane: Lane = /*             */ 0b0000000000000000000000000000100;
+
+export const DefaultHydrationLane: Lane = /*            */ 0b0000000000000000000000000001000;
+export const DefaultLane: Lane = /*                     */ 0b0000000000000000000000000010000;
+
+const TransitionHydrationLane: Lane = /*                */ 0b0000000000000000000000000100000;
+const TransitionLanes: Lanes = /*                       */ 0b0000000001111111111111111000000;
+const TransitionLane1: Lane = /*                        */ 0b0000000000000000000000001000000;
+const TransitionLane2: Lane = /*                        */ 0b0000000000000000000000010000000;
+const TransitionLane3: Lane = /*                        */ 0b0000000000000000000000100000000;
+const TransitionLane4: Lane = /*                        */ 0b0000000000000000000001000000000;
+const TransitionLane5: Lane = /*                        */ 0b0000000000000000000010000000000;
+const TransitionLane6: Lane = /*                        */ 0b0000000000000000000100000000000;
+const TransitionLane7: Lane = /*                        */ 0b0000000000000000001000000000000;
+const TransitionLane8: Lane = /*                        */ 0b0000000000000000010000000000000;
+const TransitionLane9: Lane = /*                        */ 0b0000000000000000100000000000000;
+const TransitionLane10: Lane = /*                       */ 0b0000000000000001000000000000000;
+const TransitionLane11: Lane = /*                       */ 0b0000000000000010000000000000000;
+const TransitionLane12: Lane = /*                       */ 0b0000000000000100000000000000000;
+const TransitionLane13: Lane = /*                       */ 0b0000000000001000000000000000000;
+const TransitionLane14: Lane = /*                       */ 0b0000000000010000000000000000000;
+const TransitionLane15: Lane = /*                       */ 0b0000000000100000000000000000000;
+const TransitionLane16: Lane = /*                       */ 0b0000000001000000000000000000000;
+
+const RetryLanes: Lanes = /*                            */ 0b0000111110000000000000000000000;
+const RetryLane1: Lane = /*                             */ 0b0000000010000000000000000000000;
+const RetryLane2: Lane = /*                             */ 0b0000000100000000000000000000000;
+const RetryLane3: Lane = /*                             */ 0b0000001000000000000000000000000;
+const RetryLane4: Lane = /*                             */ 0b0000010000000000000000000000000;
+const RetryLane5: Lane = /*                             */ 0b0000100000000000000000000000000;
 
 export const SomeRetryLane: Lane = RetryLane1;
 
@@ -85,9 +85,6 @@ export const OffscreenLane: Lane = /*                   */ 0b1000000000000000000
 // It should be kept in sync with the Lanes values above.
 export function getLabelForLane(lane: Lane): string | void {
   if (enableSchedulingProfiler) {
-    if (lane & SyncHydrationLane) {
-      return 'SyncHydrationLane';
-    }
     if (lane & SyncLane) {
       return 'Sync';
     }
@@ -134,8 +131,6 @@ let nextRetryLane: Lane = RetryLane1;
 
 function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
   switch (getHighestPriorityLane(lanes)) {
-    case SyncHydrationLane:
-      return SyncHydrationLane;
     case SyncLane:
       return SyncLane;
     case InputContinuousHydrationLane:
@@ -169,6 +164,7 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       return lanes & RetryLanes;
     case SelectiveHydrationLane:
       return SelectiveHydrationLane;
@@ -331,7 +327,6 @@ export function getMostRecentEventTime(root: FiberRoot, lanes: Lanes): number {
 
 function computeExpirationTime(lane: Lane, currentTime: number) {
   switch (lane) {
-    case SyncHydrationLane:
     case SyncLane:
     case InputContinuousHydrationLane:
     case InputContinuousLane:
@@ -369,6 +364,7 @@ function computeExpirationTime(lane: Lane, currentTime: number) {
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       // TODO: Retries should be allowed to expire if they are CPU bound for
       // too long, but when I made this change it caused a spike in browser
       // crashes. There must be some other underlying bug; not super urgent but
@@ -463,7 +459,7 @@ export function getLanesToRetrySynchronouslyOnError(
 }
 
 export function includesSyncLane(lanes: Lanes): boolean {
-  return (lanes & (SyncLane | SyncHydrationLane)) !== NoLanes;
+  return (lanes & SyncLane) !== NoLanes;
 }
 
 export function includesNonIdleWork(lanes: Lanes): boolean {
@@ -473,8 +469,6 @@ export function includesOnlyRetries(lanes: Lanes): boolean {
   return (lanes & RetryLanes) === lanes;
 }
 export function includesOnlyNonUrgentLanes(lanes: Lanes): boolean {
-  // TODO: Should hydration lanes be included here? This function is only
-  // used in `updateDeferredValueImpl`.
   const UrgentLanes = SyncLane | InputContinuousLane | DefaultLane;
   return (lanes & UrgentLanes) === NoLanes;
 }
@@ -755,9 +749,6 @@ export function getBumpedLaneForHydration(
 
   let lane;
   switch (renderLane) {
-    case SyncLane:
-      lane = SyncHydrationLane;
-      break;
     case InputContinuousLane:
       lane = InputContinuousHydrationLane;
       break;
@@ -784,6 +775,7 @@ export function getBumpedLaneForHydration(
     case RetryLane2:
     case RetryLane3:
     case RetryLane4:
+    case RetryLane5:
       lane = TransitionHydrationLane;
       break;
     case IdleLane:
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
index fb5f1306a8715..b8135becc4360 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -141,7 +141,7 @@ import {
   NoTimestamp,
   claimNextTransitionLane,
   claimNextRetryLane,
-  includesSyncLane,
+  includesSomeLane,
   isSubsetOfLanes,
   mergeLanes,
   removeLanes,
@@ -918,7 +918,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
       // TODO: Temporary until we confirm this warning is not fired.
       if (
         existingCallbackNode == null &&
-        !includesSyncLane(existingCallbackPriority)
+        existingCallbackPriority !== SyncLane
       ) {
         console.error(
           'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
@@ -936,7 +936,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
 
   // Schedule a new callback.
   let newCallbackNode;
-  if (includesSyncLane(newCallbackPriority)) {
+  if (newCallbackPriority === SyncLane) {
     // Special case: Sync React callbacks are scheduled on a special
     // internal queue
     if (root.tag === LegacyRoot) {
@@ -1480,7 +1480,7 @@ function performSyncWorkOnRoot(root) {
   flushPassiveEffects();
 
   let lanes = getNextLanes(root, NoLanes);
-  if (!includesSyncLane(lanes)) {
+  if (!includesSomeLane(lanes, SyncLane)) {
     // There's no remaining sync work left.
     ensureRootIsScheduled(root, now());
     return null;
@@ -2930,13 +2930,16 @@ function commitRootImpl(
   // TODO: We can optimize this by not scheduling the callback earlier. Since we
   // currently schedule the callback in multiple places, will wait until those
   // are consolidated.
-  if (includesSyncLane(pendingPassiveEffectsLanes) && root.tag !== LegacyRoot) {
+  if (
+    includesSomeLane(pendingPassiveEffectsLanes, SyncLane) &&
+    root.tag !== LegacyRoot
+  ) {
     flushPassiveEffects();
   }
 
   // Read this again, since a passive effect might have updated it
   remainingLanes = root.pendingLanes;
-  if (includesSyncLane(remainingLanes)) {
+  if (includesSomeLane(remainingLanes, (SyncLane: Lane))) {
     if (enableProfilerTimer && enableProfilerNestedUpdatePhase) {
       markNestedUpdateScheduled();
     }
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
index 069db86d4c05c..3b571b1ceb3d7 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -141,7 +141,7 @@ import {
   NoTimestamp,
   claimNextTransitionLane,
   claimNextRetryLane,
-  includesSyncLane,
+  includesSomeLane,
   isSubsetOfLanes,
   mergeLanes,
   removeLanes,
@@ -918,7 +918,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
       // TODO: Temporary until we confirm this warning is not fired.
       if (
         existingCallbackNode == null &&
-        !includesSyncLane(existingCallbackPriority)
+        existingCallbackPriority !== SyncLane
       ) {
         console.error(
           'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
@@ -936,7 +936,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
 
   // Schedule a new callback.
   let newCallbackNode;
-  if (includesSyncLane(newCallbackPriority)) {
+  if (newCallbackPriority === SyncLane) {
     // Special case: Sync React callbacks are scheduled on a special
     // internal queue
     if (root.tag === LegacyRoot) {
@@ -1480,7 +1480,7 @@ function performSyncWorkOnRoot(root) {
   flushPassiveEffects();
 
   let lanes = getNextLanes(root, NoLanes);
-  if (!includesSyncLane(lanes)) {
+  if (!includesSomeLane(lanes, SyncLane)) {
     // There's no remaining sync work left.
     ensureRootIsScheduled(root, now());
     return null;
@@ -2930,13 +2930,16 @@ function commitRootImpl(
   // TODO: We can optimize this by not scheduling the callback earlier. Since we
   // currently schedule the callback in multiple places, will wait until those
   // are consolidated.
-  if (includesSyncLane(pendingPassiveEffectsLanes) && root.tag !== LegacyRoot) {
+  if (
+    includesSomeLane(pendingPassiveEffectsLanes, SyncLane) &&
+    root.tag !== LegacyRoot
+  ) {
     flushPassiveEffects();
   }
 
   // Read this again, since a passive effect might have updated it
   remainingLanes = root.pendingLanes;
-  if (includesSyncLane(remainingLanes)) {
+  if (includesSomeLane(remainingLanes, (SyncLane: Lane))) {
     if (enableProfilerTimer && enableProfilerNestedUpdatePhase) {
       markNestedUpdateScheduled();
     }
diff --git a/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js b/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
index 0d4cf546c6d6e..cd235e7cee306 100644
--- a/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js
@@ -16,9 +16,8 @@ describe('DebugTracing', () => {
 
   let logs;
 
-  const SYNC_LANE_STRING = '0b0000000000000000000000000000010';
-  const DEFAULT_LANE_STRING = '0b0000000000000000000000000100000';
-  const RETRY_LANE_STRING = '0b0000000100000000000000000000000';
+  const DEFAULT_LANE_STRING = '0b0000000000000000000000000010000';
+  const RETRY_LANE_STRING = '0b0000000010000000000000000000000';
 
   global.IS_REACT_ACT_ENVIRONMENT = true;
 
@@ -88,9 +87,9 @@ describe('DebugTracing', () => {
     );
 
     expect(logs).toEqual([
-      `group: ⚛️ render (${SYNC_LANE_STRING})`,
+      'group: ⚛️ render (0b0000000000000000000000000000001)',
       'log: ⚛️ Example suspended',
-      `groupEnd: ⚛️ render (${SYNC_LANE_STRING})`,
+      'groupEnd: ⚛️ render (0b0000000000000000000000000000001)',
     ]);
 
     logs.splice(0);
@@ -122,9 +121,9 @@ describe('DebugTracing', () => {
     );
 
     expect(logs).toEqual([
-      `group: ⚛️ render (${SYNC_LANE_STRING})`,
+      'group: ⚛️ render (0b0000000000000000000000000000001)',
       'log: <Wrapper/>',
-      `groupEnd: ⚛️ render (${SYNC_LANE_STRING})`,
+      'groupEnd: ⚛️ render (0b0000000000000000000000000000001)',
     ]);
 
     logs.splice(0);
@@ -238,7 +237,7 @@ describe('DebugTracing', () => {
     expect(logs).toEqual([
       `group: ⚛️ commit (${DEFAULT_LANE_STRING})`,
       `group: ⚛️ layout effects (${DEFAULT_LANE_STRING})`,
-      `log: ⚛️ Example updated state (${SYNC_LANE_STRING})`,
+      'log: ⚛️ Example updated state (0b0000000000000000000000000000001)',
       `groupEnd: ⚛️ layout effects (${DEFAULT_LANE_STRING})`,
       `groupEnd: ⚛️ commit (${DEFAULT_LANE_STRING})`,
     ]);
@@ -296,7 +295,7 @@ describe('DebugTracing', () => {
     expect(logs).toEqual([
       `group: ⚛️ commit (${DEFAULT_LANE_STRING})`,
       `group: ⚛️ layout effects (${DEFAULT_LANE_STRING})`,
-      `log: ⚛️ Example updated state (${SYNC_LANE_STRING})`,
+      'log: ⚛️ Example updated state (0b0000000000000000000000000000001)',
       `groupEnd: ⚛️ layout effects (${DEFAULT_LANE_STRING})`,
       `groupEnd: ⚛️ commit (${DEFAULT_LANE_STRING})`,
     ]);