2025.10.0

Changes

• Update docs theme and remove docs env pins @jacobtomlinson (#9125)
• Add worker name as prefix to ThreadPoolExecutor name @maneesh29s (#9120)
• Skip hanging SSH tests on Windows @jacobtomlinson (#9115)
• Fix uncaught error during CI startup debug info @jacobtomlinson (#9113)
• Prevent Task stream dashboard showing date @guillaumeeb (#9109)

See the Changelog for more information.

2025.9.1

Changes

• Expose details in worker timeout exceptions @nocnokneo (#9092)
• pynvml -> nvidia-ml-py in CI @jacobtomlinson (#9111)

See the Changelog for more information.

2025.9.0

Changes

• Bump actions/setup-python from 5 to 6 @dependabot[bot] (#9107)
• 🐛 Clean tuples dict keys from workers_info in /api/v1/retire_workers. @fcourtial (#8996)
• Remove protocol="ucx" support in favor of distributed-ucxx @pentschev (#9105)

See the Changelog for more information.

2025.7.0

Changes

• Add config option for direct-to-workers @jrbourbeau (#9097)
• Ensure memray profiler runs on all workers @jrbourbeau (#9095)
• Update def to class typo in actors docs @pfackeldey (#9091)
• Bump conda-incubator/setup-miniconda from 3.1.1 to 3.2.0 @dependabot[bot] (#9090)
• Update persist in tests for async clients @TomAugspurger (#9089)
• Fix pyarrow FileInfo import @jrbourbeau (#9078)
• Make module name logic more resilient in \_always\_use\_pickle\_for @jrbourbeau (#9086)
• Temporarily pin pytest in CI to avoid coverage error @jrbourbeau (#9088)
• Remove s3fs from testing CI environment @jrbourbeau (#9087)
• Reuse Comm objects in Scheduler.broadcast @TomAugspurger (#9083)
• Fix test\_resubmit\_nondeterministic\_task\_different\_deps @jrbourbeau (#9085)

See the Changelog for more information.

2025.5.1

Changes

• No changes

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2025.5.0

Changes

• Use stable crick for py310 @fjetter (#9072)
• Remove internal dependencies mapping in update_graph @fjetter (#9036)
• [Regression] Allow Client.map to accept futures as args and kwargs @fjetter (#9071)
• Partially forgotten dependencies @fjetter (#9068)
• Replace filesystem-spec in CI environment with fsspec @jrbourbeau (#9069)
• Ensure actors set erred state properly in case of worker failure @fjetter (#9067)
• Refactor timeouts in start cluster @fjetter (#9062)
• Fix workers / threads / memory displayed in client repr @jrbourbeau (#9066)
• Pin pip for readthedocs @fjetter (#9063)
• Skip TLS functional tests test_nanny and test_retire_workers on linux @fjetter (#9061)
• Ensure client submit does not serialize unnecessarily @fjetter (#9057)

See the Changelog for more information.

2025.4.1

Changes

• No changes

See the Changelog for more information.

2025.4.0

Changes

• Improve error when submitting work from a closed client @jrbourbeau (#9049)
• Return a default value if address resolution fails @penguinpee (#9051)
• Avoid deepcopy when submitting graph @fjetter (#8633)
• Dynamically scale heartbeat and scheduler_info intervals @fjetter (#9046)
• Speed up process startup time by avoiding importing packages on version check @fjetter (#9048)
• Reduce size of scheduler_info @fjetter (#9045)
• Cache WorkerState host property @fjetter (#9044)
• clear ci env cache @fjetter (#9047)
• Remove deprecated PubSub @fjetter (#9039)
• Perform explicit culling step only if LLG is submitted @fjetter (#9040)
• Do not fully materialize global annotations by type @fjetter (#9035)
• Allow nested worker_client calls @gsakkis (#9038)
• Bump CI cache number @fjetter (#9037)
• Scheduler type annotations @fjetter (#9030)
• Reduce dask.order overhead by removing stripped_dep computation @fjetter (#9031)
• Use Expr instead of HLG @fjetter (#9008)

See the Changelog for more information.

2025.3.0

Changes

• Fix badges in readme @fjetter (#9029)
• Properly forward cancellation reason @fjetter (#9028)
• Bokeh 3.7 compatibility @fjetter (#9026)
• Ensure FileInfo can be serialized @fjetter (#9025)
• Add ipykernel to skipped modules in code sampling @mrocklin (#9022)
• SpecCluster: add option to *not* shut down the scheduler when the cluster is closed @nocnokneo (#9021)
• Fix CI by using client.persist(collection) instead of collection.persist() @hendrikmakait (#9020)
• Add redirect from prefix root to status @icykip (#9015)
• Bump JamesIves/github-pages-deploy-action from 4.7.2 to 4.7.3 @dependabot[bot] (#9018)
• Fix CI: Remove bytes keys from tests @jacobtomlinson (#9017)

See the Changelog for more information.

2025.2.0

Changes

• Remove traceback from sizeof failure warning @jacobtomlinson (#9006)
• Hotfix: Ignore negative occupancy @hendrikmakait (#9012)
• Remove expensive tokenization for key uniqueness check @phofl (#9009)
• Fix CI for changes in from_map @phofl (#9011)
• Avoid handling stale long-running messages on scheduler @hendrikmakait (#8991)
• Bump test_ucx::test_stress timeout @TomAugspurger (#9002)
• Poll in test_rmm_metrics test @TomAugspurger (#9004)
• Cache occupancy in WorkStealing.balance() @hendrikmakait (#9005)
• Homogeneous balancing by accounting for in-flight requests @hendrikmakait (#9003)
• Consistent estimation of task duration between stealing, adaptive and occupancy calculation @hendrikmakait (#9000)
• Increase default work-stealing interval by 10x @hendrikmakait (#8997)
• Remove Occupancy plot from status dashboard @hendrikmakait (#8995)
• Bump conda-incubator/setup-miniconda from 3.1.0 to 3.1.1 @dependabot[bot] (#8990)

See the Changelog for more information.