docs/changelogs/v25.12.8.9-stable.md
has, mapContainsKey, and mapContainsValue functions. Previously, queries using these functions could return different results depending on whether the expression was evaluated with or without a text index. #93578 (Anton Popov).replaceRegexpOne to extract query rewrite that produced wrong results when the regexp didn't match; also fix exception when replaceRegexpOne is used with GROUP BY ... WITH CUBE and group_by_use_nulls=1. #97546 (Alexey Milovidov).std::terminate) caused by an uncaught exception in the HTTP connection pool destructor when the connection group hard limit is reached under high concurrency. The exception HTTP_CONNECTION_LIMIT_REACHED could escape ~PooledConnection when recycling a connection back to the pool, leading to SIGABRT. #97850 (Antonio Andelic).grace_hash algorithm is used with non-equi joins and left block cannot be processed completely because of the size constraints on the join result. #97866 (János Benjamin Antal).