2024 Changelog

ClickHouse release v24.8.4.13-lts (53195bc189b) FIXME as compared to v24.8.3.59-lts (e729b9fa40e)

Improvement

• Backported in #68699: Delete old code of named collections from dictionaries and substitute it to the new, which allows to use DDL created named collections in dictionaries. Closes #60936, closes #36890. #68412 (Kseniia Sumarokova).

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

• Backported in #69231: Fix parsing error when null should be inserted as default in some cases during JSON type parsing. #68955 (Kruglov Pavel).
• Backported in #69251: UNION clause in subqueries wasn't handled correctly in queries with parallel replicas and lead to LOGICAL_ERROR Duplicate announcement received for replica. #69146 (Igor Nikonov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Backported in #69189: Don't create Object type if use_json_alias_for_old_object_type=1 but allow_experimental_object_type=0. #69150 (Kruglov Pavel).
• Backported in #69229: Disable memory test with sanitizer. #69193 (alesapin).
• Backported in #69219: Disable perf-like test with sanitizers. #69194 (alesapin).