This is the General Availability release of Redis 8.8 in Redis Open Source.

Major changes compared to 8.6

• New data structure: Array (@antirez)
• Subkey notification for hash fields - field-level notifications
• INCREX: a window counter rate limiter combining INCR, INCRBY, INCRBYFLOAT, bounds, and expiration (@raffertyyu + Redis team)
• XNACK: a new streams command - allow consumers to explicitly release pending messages
• ZUNION, ZINTER, ZUNIONSTORE, ZINTERSTORE: new COUNT aggregator
• JSON.SET: new FPHA argument to specify the FP type for homogeneous FP arrays
• TS.RANGE, TS.REVRANGE, TS.MRANGE, TS.MREVRANGE: multiple aggregators in a single command
• FT.HYBRID KNN clause: new argument to request fewer candidates per shard
• FT.PROFILE HYBRID: profiling support for FT.HYBRID
• Performance improvements

Binary distributions

• Alpine and Debian Docker images - https://hub.docker.com/_/redis
• Install using snap - see https://github.com/redis/redis-snap
• Install using brew - see https://github.com/redis/homebrew-redis
• Install using RPM - see https://github.com/redis/redis-rpm
• Install using Debian APT - see https://github.com/redis/redis-debian

Operating systems we test Redis 8.8 on

• Ubuntu 22.04 (Jammy Jellyfish), 24.04 (Noble Numbat), 26.04 (Resolute Raccoon)
• Rocky Linux 8.10, 9.7, 10.1
• AlmaLinux 8.10, 9.7, 10.1
• Debian 12.13 (Bookworm), Debian 13.4 (Trixie)
• Alpine 3.23
• macOS 14.8.4 (Sonoma), 15.7.4 (Sequoia), 26.3 (Tahoe) - for both Intel and ARM

Bug fixes (compared to 8.8-RC1)

• #15237 INCREX syntax update
• #15005 Memory tracking can be enabled at runtime in non-clustered mode
• RedisTimeSeries/RedisTimeSeries#1930 Cluster topology changes during a multi-shard command are not handled (MOD-14439)
• RedisBloom/RedisBloom#1007 Memory leak on RDB load (MOD-15418)