product · May 22, 2026
ClickHouse Releases Version 26.5 on May 21 2026 with New Features and Backward Incompatible Changes
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ClickHouse released version 26.5.1.882-stable on May 21, 2026, including multiple new features such as filesystem table function, tokenizeQuery and highlightQuery functions, and Paimon table engines with incremental read support. The release incorporated backward incompatible changes like updated defaults for date_time_input_format and removal of obsolete Arrow-based Parquet reader. Alexey Milovidov presented highlights during the v26.5 Community Call on May 21 2026 at 9 AM PDT. The changelog details over 20 specific changes with links to GitHub pull requests and a presentation available at presentations.clickhouse.com/2026-release-26.5.
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