dlt 1.28.1
dlt 1.28.1 Release Notes Python 3.9 EOL Dropped Python 3.9 support ( #4074 @Travior ) , Python 3.9 reached end-of-life on 2025-10-31. dlt no longer tests against or advertises support for 3.9. The ruff / mypy target versions were bumped accordingly. Users still on 3.9 must upgrade to 3.10+ to use this release.