2025 Changelog

Backported in #87815: Make flushing to system.crash_log in signal handling synchronous. #87253 (Miсhael Stetsyuk).

Backported in #87742: Fixed GeoParquet causing client protocol errors. #84020 (Michael Kolupaev).
Backported in #87387: Check access rights during typo correction hints generation for the database name. #85371 (Dmitry Novik).
Backported in #87668: Fix detach/attach for postgres database engine tables with numeric/decimal columns. #86480 (Julian Maicher).
Backported in #87639: Fix result of function calculated in CTE being non-deterministic in the query. #86967 (Yakov Olkhovskiy).
Backported in #87808: The function checkHeaders is now properly validating the provided headers and reject forbidden headers. Original author: Michael Anastasakis (@michael-anastasakis). #87172 (Raúl Marín).
Backported in #87813: Fixed lightweight updates with subqueries that read from another MergeTree tables. #87285 (Anton Popov).
Backported in #87730: Fixes access validation on select and insert for Buffer tables. #87545 (pufit).
Backported in #87771: Fixed a bug that might lead to overriding global server settings with SELECT settings of a View or Materialized View, if this view was dropped asynchronously and the server was restarted before finishing background cleanup. #87603 (Alexander Tokmakov).
Backported in #87795: Fix the generation of the output block in the HashJoin algorithm when the right row list is not used. Fixes #87401. #87699 (Dmitry Novik).

Backported in #87751: Fix RMV tryEnqueueReplicatedDDL shutdown crash again. #78873 (Michael Kolupaev).
Backported in #87859: Don't crash if a vector similarity index cannot be saved to / loaded from persistence. #87803 (Azat Khuzhin).