Released v0.9.0 — 2026-10-07 Focus: Performance and correctness hardening. • Materialized statistics CTE, hoisted casts, and partition pre-filtering cut file listing ~400×: 2,703 → 6.8 ms. • UPDATE pushes predicates into Parquet; keyed DELETE reads only predicate columns (~10 KB vs. 14 MB). Catalog-based counts with delete files; one read per cold footer. • Added DuckLake comments/tags, more object-store URL schemes, batch file registration, and snapshot metadata. github.com/datafusion-contri…

Here is the playlist of San Francisco DataFusion meetup. Thanks to all the presenters from: @LangChain @LakeSail @columnar_tech @datadoghq @hotdata_dev youtube.com/playlist?list=PL… cc: @andrewlamb1111 @ApacheDataFusio

New features in the CLI: fork your database like a Git branch. We’ve also added a dialect option to the query command, so you can run queries using DuckDB, Postgres, or Snowflake syntax.

We've released major updates to datafusion-ducklake. • Time travel by snapshot or timestamp • Partition-aware writes and updates • Atomic multi-file commits • Improved CDC support for renamed and nested columns • SORTED BY for writes, updates, and compaction Check it out at: github.com/datafusion-contri…