ClickHouse/docs/changelogs/v22.10.3.27-stable.md

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1	2022

2022 Changelog

ClickHouse release v22.10.3.27-stable (6d3b298572) FIXME as compared to v22.10.2.11-stable (d2bfcaba00)

Improvement

• Backported in #42842: Update tzdata to 2022f. Mexico will no longer observe DST except near the US border: https://www.timeanddate.com/news/time/mexico-abolishes-dst-2022.html. Chihuahua moves to year-round UTC-6 on 2022-10-30. Fiji no longer observes DST. See https://github.com/google/cctz/pull/235 and https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/1995209. #42796 (Alexey Milovidov).

Build/Testing/Packaging Improvement

• Backported in #42959: Before the fix, the user-defined config was preserved by RPM in $file.rpmsave. The PR fixes it and won't replace the user's files from packages. #42936 (Mikhail f. Shiryaev).
• Backported in #43042: Add a CI step to mark commits as ready for release; soft-forbid launching a release script from branches but master. #43017 (Mikhail f. Shiryaev).

Bug Fix (user-visible misbehavior in official stable release)

• Backported in #42864: Fix lowerUTF8()/upperUTF8() in case of symbol was in between 16-byte boundary (very frequent case of you have strings > 16 bytes long). #42812 (Azat Khuzhin).
• Backported in #43173: Fix rare possible hung on query cancellation. #42874 (Azat Khuzhin).
• Backported in #43064: Fix rare NOT_FOUND_COLUMN_IN_BLOCK error when projection is possible to use but there is no projection available. This fixes #42771 . The bug was introduced in https://github.com/ClickHouse/ClickHouse/pull/25563. #42938 (Amos Bird).
• Backported in #43075: Fix lambda parsing. Closes #41848. #42979 (Nikolay Degterinsky).
• Backported in #43444: - Fix several buffer over-reads. #43159 (Raúl Marín).
• Backported in #43430: Fixed queries with SAMPLE BY with prewhere optimization on tables using Merge engine. #43315 (Antonio Andelic).

NOT FOR CHANGELOG / INSIGNIFICANT

• Fix a bug in CAST function parser #42980 (Nikolay Degterinsky).
• Fix TSan errors (correctly ignore _exit interception) #43009 (Azat Khuzhin).
• Update SECURITY.md on new stable tags #43365 (Mikhail f. Shiryaev).
• Use all parameters with prefixes from ssm #43467 (Mikhail f. Shiryaev).