v6.0.0

6.0.0 (2026-07-31)

• Add RESP3 (#2127) (5d0862e)

Bug Fixes

• clear stale socket timeout on reconnect (#2148) (6455dbe)
• cluster: recreate stale connection on circular MOVED (#2135) (08c8967)
• cluster: validate MOVED slot to prevent Array.prototype pollution (#2151) (9618206), closes #1267
• command: serialize large integer arguments in decimal notation (#2136) (09b8d04)
• redis: keep reconnecting when connection closes during client setup (#2099) (#2123) (f9a66bc)
• sentinel: preserve zero preferred slave priority (#2129) (a3f9f2d)
• tracing: redact values for GETSET and PSETEX (#2134) (832765d)
• types: export ScanStreamOptions, RedisStatus and ClusterStatus (#2158) (cf3bf71)

Features

• add LMOVEM and BLMOVEM command support (#2144) (c26af46)
• add Redis 8.10 set cardinality commands (#2143) (301099b)
• himport managed fieldsets (#2159) (729f174)
• improve default connection resilience (#2160) (6d0716e)
• support MAXCOUNT and MAXSIZE for stream reads (#2142) (ae5e41b)

BREAKING CHANGES

• ioredis now requires Node.js 20 or newer and uses RESP3 by default. Set protocol: 2 to retain the v5 wire protocol.

v6.0.0-beta.1

6.0.0-beta.1 (2026-07-29)

• Add RESP3 (#2127) (5d0862e)

Bug Fixes

• clear stale socket timeout on reconnect (#2148) (6455dbe)
• cluster: recreate stale connection on circular MOVED (#2135) (08c8967)
• cluster: validate MOVED slot to prevent Array.prototype pollution (#2151) (9618206), closes #1267
• command: serialize large integer arguments in decimal notation (#2136) (09b8d04)
• redis: keep reconnecting when connection closes during client setup (#2099) (#2123) (f9a66bc)
• sentinel: preserve zero preferred slave priority (#2129) (a3f9f2d)
• tracing: redact values for GETSET and PSETEX (#2134) (832765d)

Features

• add LMOVEM and BLMOVEM command support (#2144) (c26af46)
• add Redis 8.10 set cardinality commands (#2143) (301099b)
• support MAXCOUNT and MAXSIZE for stream reads (#2142) (ae5e41b)

BREAKING CHANGES

• ioredis now requires Node.js 20 or newer and uses RESP3 by default. Set protocol: 2 to retain the v5 wire protocol.

v5.11.1

5.11.1 (2026-06-04)

Bug Fixes

• cluster: reconnect to nodes that restart without slot changes (#2096) (c84b2ee)
• parse protocol-relative Redis URLs as TCP connections (#2125) (131ee24)

v5.11.0

5.11.0 (2026-05-26)

Bug Fixes

• prevent RangeError from string accumulation in pipeline (#2088) (defc077)
• replace deprecated url.parse() with WHATWG URL API (#2081) (0021a45), closes redis/ioredis#1747

Features

• add array commands, typings and tests (#2114) (baf68d6)
• add increx command (#2115) (37d0695)
• add Redis MSETEX support (#2111) (04a4615)
• add typed GCRA command support and functional tests (#2094) (468a802)
• add vector set command support (#2116) (b7b3def)
• Add xnack command (#2103) (187d29b)
• Add zinter zunion count (#2104) (0d510bb)
• Implement TracingChannel support (#2089) (4760e0a)

v5.10.1

5.10.1 (2026-03-19)

Bug Fixes

• cluster: lazily start sharded subscribers (#2090) (4f167bb)

v5.10.0

5.10.0 (2026-02-27)

Features

• add hash field expiration commands and tests (5219f9f)
• add hexpireat & hexpiretime (#2082) (b38124f)

v5.9.3

5.9.3 (2026-02-12)

Bug Fixes

• autopipelining to route writes to masters with scaleReads (#2072) (8adb1ae)
• fix issue with moved command for replicas (#2064) (de4eed4)
• types: optional properties on RedisOptions allow explicit undefined (#2066) (0a1a898)

v5.9.2

5.9.2 (2026-01-15)

Bug Fixes

• cluster: Cluster reconnect sharded subscribers (#2060) (def9804)
• preserve replica slots on MOVED in pipelines (#2059) (a1c3e9d)

Reverts

• Revert "fix: preserve replica slots on MOVED in pipelines (#2059)" (#2062) (517b932), closes #2059 #2062

v5.9.1

5.9.1 (2026-01-08)

Bug Fixes

• make client-side blocking timeouts opt-in (#2058) (07ed493)

v5.9.0

5.9.0 (2026-01-05)

Bug Fixes

• remove unnecessary case-sensitivity when working with commands (#2036) (f33a2c8)

Features

• add timeout blocking commands (#2052) (6ec78be)
• cluster: refactor sharded pub/sub v5 (#2043) (a523f3a)