- update to version 2021.5.0
* Merge global annotations on the client (GH#4691) Mads R. B.
Kristensen
* Add support for click 8 (GH#4810) James Bourbeau
* Add HTML reprs to some scheduler classes (GH#4795) James
Bourbeau
* Use JupyterLab theme variables (GH#4796) Ian Rose
* Allow the dashboard to run on multiple ports (GH#4786) Jacob
Tomlinson
* Remove release_dep from WorkerPlugin API (GH#4791) James
Bourbeau
* Support for UCX 1.10+ (GH#4787) Peter Andreas Entschev
* Reduce complexity of test_gather_allow_worker_reconnect
(GH#4739) Florian Jetter
* Fix doctests in utils.py (GH#4785) Jacob Tomlinson
* Ensure deps are actually logged in worker (GH#4753) Florian
Jetter
* Add stacklevel keyword into performance_report() to allow for
selecting calling code to be displayed (GH#4777) Nathan
Danielsen
* Unregister worker plugin (GH#4748) Naty Clementi
* Fixes some pickling issues in the Cythonized Scheduler
(GH#4768) jakirkham
* Improve graceful shutdown if nanny is involved (GH#4725)
Florian Jetter
* Update cythonization in CI (GH#4764) James Bourbeau
* Use contextlib.nullcontext (GH#4763) James Bourbeau
* Cython fixes for MemoryState (GH#4761) jakirkham
* Fix errors in check_thread_leak (GH#4747) James Bourbeau
* Handle missing key case in report_on_key (GH#4755) jakirkham
* Drop temporary set variables s (GH#4758) jakirkham
- skip even more flaky tests
- stress that upstream wants to use dask with a matching version
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