Update CHANGES for recent fixes, improvements. (apache#32568)

CHANGES.md

@@ -64,6 +64,7 @@
 * Dataflow worker can install packages from Google Artifact Registry Python repositories (Python) ([#32123](https://github.com/apache/beam/issues/32123)).
 * Added support for Zstd codec in SerializableAvroCodecFactory (Java) ([#32349](https://github.com/apache/beam/issues/32349))
 * Added support for using vLLM in the RunInference transform (Python) ([#32528](https://github.com/apache/beam/issues/32528))
+* Significantly improved performance of Kafka IO reads that enable [commitOffsetsInFinalize](https://beam.apache.org/releases/javadoc/current/org/apache/beam/sdk/io/kafka/KafkaIO.Read.html#commitOffsetsInFinalize--) by removing the data reshuffle from SDF implementation.  ([#31682](https://github.com/apache/beam/pull/31682)).
 
 ## Breaking Changes
 
@@ -72,6 +73,7 @@
   as strings rather than silently coerced (and possibly truncated) to numeric
   values.  To retain the old behavior, pass `dtype=True` (or any other value
   accepted by `pandas.read_json`).
+* Users of KafkaIO  Read transform that enable [commitOffsetsInFinalize](https://beam.apache.org/releases/javadoc/current/org/apache/beam/sdk/io/kafka/KafkaIO.Read.html#commitOffsetsInFinalize--) might encounter pipeline graph  compatibility issues when updating the pipeline. To mitigate, set the `updateCompatibilityVersion` option to the SDK version used for the original pipeline, example `--updateCompatabilityVersion=2.58.1`
 
 ## Deprecations
 
@@ -81,6 +83,8 @@ when running on 3.8. ([#31192](https://github.com/apache/beam/issues/31192))
 ## Bugfixes
 
 * (Java) Fixed custom delimiter issues in TextIO ([#32249](https://github.com/apache/beam/issues/32249), [#32251](https://github.com/apache/beam/issues/32251)).
+* (Java, Python, Go) Fixed PeriodicSequence backlog bytes reporting, which was preventing Dataflow Runner autoscaling from functioning properly ([#32506](https://github.com/apache/beam/issues/32506)).
+* (Java) Fix improper decoding of rows with schemas containing nullable fields when encoded with a schema with equal encoding positions but modified field order. ([#32388](https://github.com/apache/beam/issues/32388)).
 
 ## Security Fixes
 * Fixed (CVE-YYYY-NNNN)[https://www.cve.org/CVERecord?id=CVE-YYYY-NNNN] (Java/Python/Go) ([#X](https://github.com/apache/beam/issues/X)).