Today we are releasing DuckDB 1.4.3. Along with bugfixes, we are shipping native extensions and Python support for Windows ARM64.

DuckDB

DuckDB 1.4.3 LTS is now available with important bugfixes addressing correctness issues in HAVING clauses, JOIN operations, and indexed table updates. The release introduces beta support for Windows ARM64, including native extension distribution and Python wheels via PyPI. Benchmarks on TPC-H SF100 show 24% performance improvement for native ARM64 compared to emulated AMD64 on Snapdragon-based systems. Additional fixes include race condition crashes, memory management improvements during WAL replay, and various edge cases in Unicode handling and Parquet exports.

Announcing DuckDB 1.4.3 LTS