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.