Updated 4.0.0 release notes to reflect 4.0.1 jsx fix

release_notes/4.0.0.md

@@ -31,9 +31,10 @@ as well.
   now a no-op.
 
   This change breaks loading of files with extensions that aren't supported by
-  dynamic `import()`, such as `.jsx`. If you have specs or source files with
-  such extensions, you can either rename the files to `.js` or add 
-  `jsLoader: "require"` to your Jasmine config file. 
+  dynamic `import()`, such as `.jsx`, although that has been subsequently fixed
+  in 4.0.1. If you have specs or source files with such extensions, please
+  update to at least 4.0.0. Alternately you can either rename the files to
+  `.js` or add `jsLoader: "require"` to your Jasmine config file. 
 
 * Config files can be ES modules. This is a breaking change because it requires
   `Jasmine#loadConfigFile` to be async.