Update CHANGELOG.md for stable-25-1:2025-05-25 (#18778)

Author: galnat

CHANGELOG.md

@@ -13,10 +13,10 @@
 
 ### Bug fixes
 
+* 18647:[Fixed](https://github.com/ydb-platform/ydb/pull/18647) an [issue](https://github.com/ydb-platform/ydb/issues/17885) where the index type was incorrectly defaulting to GLOBAL SYNC when UNIQUE was explicitly specified in the query. ([Vasily Gerasimov](https://github.com/UgnineSirdis))
 * 18086:Bug fixes for direct read in topics [#18086](https://github.com/ydb-platform/ydb/pull/18086) ([qyryq](https://github.com/qyryq))
 * 16797:Fixed an issue with topic auto-partitioning when the `max_active_partition` configuration parameter was set via the `ALTER TOPIC` statement. [#16797](https://github.com/ydb-platform/ydb/pull/16797) ([Nikolay Shestakov](https://github.com/nshestakov))
 * 18362:Table auto partitioning: Fixed crash when selecting split key from access samples containing a mix of full key and key prefix operations (e.g. exact/range reads). [#18362](https://github.com/ydb-platform/ydb/pull/18362) ([ijon](https://github.com/ijon))
-* 18301:Optimized memory usage in transactions with a large number of participants by changing the storage and resending mechanism for TEvReadSet messages. [#18301](https://github.com/ydb-platform/ydb/pull/18301) ([Alek5andr-Kotov](https://github.com/Alek5andr-Kotov))
 * 18296:Fixed replication continuing to consume disk space when storage was low, which caused VDisks to become read-only. [#18296](https://github.com/ydb-platform/ydb/pull/18296) ([Sergey Belyakov](https://github.com/serbel324))
 * 18231:Fix segfault that could happen while retrying Whiteboard requests. [#18231](https://github.com/ydb-platform/ydb/pull/18231) ([Andrei Rykov](https://github.com/StekPerepolnen))