diff --git a/CHANGELOG.md b/CHANGELOG.md
index d79247f37de..2b5ecc59f7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,21 +7,49 @@ release.
 
 ## Unreleased
 
-- Fix: remove `name` from LogRecord example in the File Exporter example [#3886](https://github.com/open-telemetry/opentelemetry-specification/pull/3886)
+### Context
+
+### Traces
+
+### Metrics
+
+### Logs
+
+### Events
+
+### Resource
+
+### OpenTelemetry Protocol
+
+### Compatibility
+
+### SDK Configuration
+
+### Common
+
+### Supplementary Guidelines
+
+## v1.31.0 (2024-03-13)
 
 ### Context
 
+- Specify allowed characters for Baggage keys and values.
+  ([#3801](https://github.com/open-telemetry/opentelemetry-specification/pull/3801))
+
 ### Traces
 
+- Mark the AddLink() operation as stable.
+  ([#3887](https://github.com/open-telemetry/opentelemetry-specification/pull/3887))
+
 ### Metrics
 
-- Remove implementation specific specification from metric API.
-  ([#3890](https://github.com/open-telemetry/opentelemetry-specification/pull/3890))
 - Formalize the interaction between cardinality limit and overflow attribute.
   ([#3912](https://github.com/open-telemetry/opentelemetry-specification/pull/3912))
 
 ### Logs
 
+- Fix: remove `name` from LogRecord example in the File Exporter example.
+  ([#3886](https://github.com/open-telemetry/opentelemetry-specification/pull/3886))
 - Remove implementation detail from Logs Bridge API.
   ([#3884](https://github.com/open-telemetry/opentelemetry-specification/pull/3884))
 - Clarify that logs attributes are a superset of standard attributes.
@@ -31,21 +59,38 @@ release.
 - Mark standard output log record exporter as stable.
   ([#3922](https://github.com/open-telemetry/opentelemetry-specification/pull/3922))
 
+### Events
+
+- Add Provider to the Event API.
+  ([#3878](https://github.com/open-telemetry/opentelemetry-specification/pull/3878))
+
 ### Resource
 
+- No changes.
+
 ### OpenTelemetry Protocol
 
+- No changes.
+
 ### Compatibility
 
+- No changes.
+
 ### SDK Configuration
 
+- No changes.
+
 ### Common
 
+- Prohibit attribute value from evolving to contain complex types.
+  ([#3858](https://github.com/open-telemetry/opentelemetry-specification/pull/3858))
 - Tighten stability requirements for well-known attribute values.
   ([#3879](https://github.com/open-telemetry/opentelemetry-specification/pull/3879))
 
 ### Supplementary Guidelines
 
+- No changes.
+
 ## v1.30.0 (2024-02-15)
 
 ### Context
@@ -110,8 +155,6 @@ release.
 
 - Align definition of Baggage with W3C Specification.
   ([#3800](https://github.com/open-telemetry/opentelemetry-specification/pull/3800))
-- Specify allowed characters for Baggage keys and values.
-  ([#3801](https://github.com/open-telemetry/opentelemetry-specification/pull/3801))
 
 ### Traces