➔ Dask 2026.7.0 - Expression Protocol and Compatibility Updates
| 3 minute read
Dask 2026.7.0 was published on July 6, 2026, and the main user visible change is better expression handling through support for composite expressions with the __dask_exprs__ protocol. The release also avoids graph materialization in is_dask_collection for expression wrappers, which matters for code that probes Dask objects before doing real work. This is a normal release, not a prerelease.
➔ Dask 2026.6.0 - DataFrame Merge Fix and Pandas 3.1 Prep
| 3 minute read
Dask 2026.6.0 shipped on June 11, 2026 with a fix for a silent DataFrame merge bug that dropped rows at specific partition counts. The release also patches Series.map for misaligned inputs, tightens quantile behavior, and starts adapting to upcoming Pandas 3.1 deprecations.