Merge pull request #20669 from silentred/update-change-log

update change log

Author: ahrtr

CHANGELOG/CHANGELOG-3.4.md

@@ -11,6 +11,7 @@ Previous change logs can be found at [CHANGELOG-3.3](https://github.com/etcd-io/
 - Fix [mvcc: avoid double decrement of watcher gauge on close/cancel race](https://github.com/etcd-io/etcd/pull/20065)
 - Fix [Watch on future revision returns old events or notifications](https://github.com/etcd-io/etcd/pull/20291)
 - Improve [help message for --quota-backend-bytes](https://github.com/etcd-io/etcd/pull/20379)
+- Fix [potential data corruption when applySnapshot and defragment happen concurrently](https://github.com/etcd-io/etcd/pull/20659)
 
 ### Dependencies
 

CHANGELOG/CHANGELOG-3.5.md

@@ -9,6 +9,7 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
 ### etcd server
 
 - Fix [etcd may return success for leaseRenew request even when the lease is revoked](https://github.com/etcd-io/etcd/pull/20616)
+- Fix [potential data corruption when applySnapshot and defragment happen concurrently](https://github.com/etcd-io/etcd/pull/20653)
 
 ### Dependencies
 

CHANGELOG/CHANGELOG-3.6.md

@@ -11,6 +11,7 @@ Previous change logs can be found at [CHANGELOG-3.5](https://github.com/etcd-io/
 - [Remove the flag `--experimental-snapshot-catch-up-entries` from `etcd --help` output](https://github.com/etcd-io/etcd/pull/20422)
 - Fix [etcd repeatedly log the error "cannot detect storage schema version: missing confstate information"](https://github.com/etcd-io/etcd/pull/20496)
 - Fix [etcd may return success for leaseRenew request even when the lease is revoked](https://github.com/etcd-io/etcd/pull/20615)
+- Fix [potential data corruption when applySnapshot and defragment happen concurrently](https://github.com/etcd-io/etcd/pull/20650)
 
 ### Dependencies