Q2 2026 release merge

Merge Checklist

• CPU
• 10.6
  • InnoDB
  • WolfSSL v5.9.1-stable
  • zlib 1.3.2
    • also upgrade storage/connect/zip.* from zlib's contrib/minizip/
  • C/C v3.3
    • check Georg review queue
    • ask Georg if everything is pushed for a release
    • check whether version need to be increased (if there were any changes since last release)
  • PCRE2 (update url in cmake/pcre.cmake) Nothing new
  • HeidiSQL (update version in win/packaging/heidisql.cmake) (12.14.0.7165 Do not support 32 bit so old version is left)
  • ColumnStore 6.x
  • notify Elena
  • merge with the main 10.6 branch

• 10.11
  • 10.6
  • libfmt (update URL in cmake/libfmt.cmake) (we could not build it since 11.02, so check security problems) Nothing new
  • HeidiSQL (update version in win/packaging/heidisql.cmake) HeidiSQL 12.17
  • notify Elena
  • merge with the main 10.11 branch

• 11.4
  • 10.11
    • -Note MDEV-38072 is a 10.11 only fix - implemention drop by sysvar keep/deprecate? - psergei
  • libfmt Nothing new
    • this time remove warning supression 52b1d7eb7f8fd21e851e2ffddb73e22f2ae3789c
  • ColumnStore 2Y.MM
  • C/C v3.4
    • ask Georg if everything is pushed for a release
    • check merge 3.3
    • check whether version need to be increased (if there were any changes since last release)
  • notify Elena
  • merge with the main 11.4 branch

• 11.8
  • 11.4
    • Contributed resolution for MDEV-39240 PR #4976 Merge 11.4 into 11.8 - null-merge MDEV-39240
  • notify Elena
  • merge with the main 11.8 branch

• 12.3
  • 11.8
  • must be 12.3.2-stable
  • notify Elena
  • merge with the main branch
  • lock the branch, last 12.3 release

• 13.0
  • 12.3
  • must be 13.0.1-gamma
  • verify that all preview features are pushed
  • notify Elena
  • push to the 13.0 branch
  • merge with the main branch, bump main to 13.1

• DOCS task with these tasks DOCS-6018