[PSA] Redis 7.2 RC2 is out

[Itamar Haber]

Hi everyone,

We've just released the 2nd release candidate of Redis 7.2 - here are the notes.

Redis 7.2-rc2

Upgrade urgency LOW: This is the second Release Candidate for Redis 7.2.

INFO fields and introspection changes

• Add a few low level event loop metrics to help diagnose latency (#11963)

Performance and resource utilization improvements

• Minor performance improvement to SADD and HSET (#12019)

Platform / toolchain support related changes

• Upgrade to Jemalloc 5.3.0, resolves a rare fork child hang (#12115)
• Fix a compiler fortification induced crash when used with link time optimizations (#11982)
• Fix local clients detection, 127...* instead of 127.0.0.1 (#11664)
• Report AOF failure status to systemd in shutdown (#12065)

Changes in CLI tools

• redis-cli: Reimplement and improve help hints based on actual command arg docs (#10515)
• redis-cli: Add option --count for tuning SCAN based features (#12042)
• redis-benchmark: Add --seed option to seed the random number generator (#11945)

Module API changes

• Add RM_RdbLoad and RM_RdbSave APIs (#11852)
• Add RM_ReplyWithErrorFormat that can support format string (#11923)
• Fix: Delete empty key when RM_ZsetAdd, RM_ZsetIncrby, RM_StreamAdd fail (#12129)

Bug Fixes

• LPOS with RANK set to LONG_MIN returning wrong result (#12167)
• Avoid unnecessary full sync after master restart in a rare case (#12088)
• Iterate clients fairly when processing background chores (#12025)
• Avoid incorrect shrinking of query buffer when reading large data from clients (#12000)
• Sentinel: Fix config rewrite error when old known-slave is used (#11775)
• ACL: Disconnect pub-sub subscribers when revoking allchannels permission (#11992)
• Add a missing fsync of AOF file in rare cases (#11973)

Fixes for issues in previous releases of Redis 7.2

• Fix tracking of command duration metrics for MULTI, EVAL, WAIT and modules (#11970)

Cheers,
The Redis core team