Update release notes

Author: flyingsilverfin

RELEASE_NOTES_LATEST.md

@@ -14,15 +14,14 @@ pip install typedb-client=={version}
 
 
 ## Bugs Fixed
-- **Make datetime attribute inserts and matches time-zone invariant**
+- **Safer cluster channel initialisation & better handling of invalid token errors**
+  When using CA in the authorisation flow, we fix a bug where the client tries to access client state that may not exist yet.
 
-  Enables and fixes the BDD tests to check timezone-invariance of inserting and reading datetime attributes.
-
-  Fixes #298
 
 ## Code Refactors
 
 
 ## Other Improvements
+- **Update VERSION to 2.18.2**
 
-    
+- **Bump TypeDB artifacts to 2.19.0**