Update release notes for 2.29.0
diff --git a/CHANGES.md b/CHANGES.md
index 0fae45a..af72444 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -118,24 +118,20 @@
 
 * Fixed X (Java/Python) ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
 
-# [2.29.0] - Release branch cut, any updates should be cherry-picked
+# [2.29.0] - 2021-04-29
 
 ## Highlights
 
-* New highly anticipated feature X added to Python SDK ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
-* New highly anticipated feature Y added to Java SDK ([BEAM-Y](https://issues.apache.org/jira/browse/BEAM-Y)).
 * Spark Classic and Portable runners officially support Spark 3 ([BEAM-7093](https://issues.apache.org/jira/browse/BEAM-7093)).
 * Official Java 11 support for most runners (Dataflow, Flink, Spark) ([BEAM-2530](https://issues.apache.org/jira/browse/BEAM-2530)).
 * DataFrame API now supports GroupBy.apply ([BEAM-11628](https://issues.apache.org/jira/browse/BEAM-11628)).
 
 ## I/Os
 
-* Support for X source added (Java/Python) ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
 * Added support for S3 filesystem on AWS SDK V2 (Java) ([BEAM-7637](https://issues.apache.org/jira/browse/BEAM-7637))
 
 ## New Features / Improvements
 
-* X feature added (Java/Python) ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
 * DataFrame API now supports pandas 1.2.x ([BEAM-11531](https://issues.apache.org/jira/browse/BEAM-11531)).
 * Multiple DataFrame API bugfixes ([BEAM-12071](https://issues.apache/jira/browse/BEAM-12071), [BEAM-11929](https://issues.apache/jira/browse/BEAM-11929))
 
@@ -145,17 +141,11 @@
   To restore the old behavior, one can register `FakeDeterministicFastPrimitivesCoder` with
   `beam.coders.registry.register_fallback_coder(beam.coders.coders.FakeDeterministicFastPrimitivesCoder())`
   or use the `allow_non_deterministic_key_coders` pipeline option.
-* X behavior was changed ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
 
 ## Deprecations
 
-* X behavior is deprecated and will be removed in X versions ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
 * Support for Flink 1.8 and 1.9 will be removed in the next release (2.30.0) ([BEAM-11948](https://issues.apache.org/jira/browse/BEAM-11948)).
 
-## Known Issues
-
-* Fixed X (Java/Python) ([BEAM-X](https://issues.apache.org/jira/browse/BEAM-X)).
-
 
 # [2.28.0] - 2021-02-22