Valkey 9.0.0 GA - October 21, 2025
Upgrade urgency LOW: This is the first release of Valkey 9.0 which
includes stability, bug fixes, and incremental improvements over the third release candidate.
Bug fixes
- HSETEX with FXX should not create an object if it does not exist (#2716)
- Fix crash when aborting a slot migration while child snapshot is active (#2721)
- Fix double MOVED reply on unblock at failover (#2734)
- Fix memory leak with CLIENT LIST/KILL duplicate filters (#2362)
- Fix incorrect accounting after completed atomic slot migration (#2749)
- Fix Lua VM crash after FUNCTION FLUSH ASYNC + FUNCTION LOAD (#1826, #2750)
- Fix invalid memory address caused by hashtable shrinking during safe iteration (#2753)
For a high level overview of the release, you can checkout release blog
For the full set of changes for the releases, please review the previous release candidates rc1, rc2 and rc3.