v21.12.00

🐛 Bug Fixes

• Remove automatic doc labeler (#807) @pentschev
• Add create_cuda_context UCX config from Distributed (#801) @pentschev
• Ignore deprecation warnings from pkg_resources (#784) @pentschev
• Fix parsing of device by UUID (#780) @pentschev
• Avoid creating CUDA context in LocalCUDACluster parent process (#765) @pentschev
• Remove gen_cluster spill tests (#758) @pentschev
• Update memory_pause_fraction in test_spill (#757) @pentschev

📖 Documentation

• Add troubleshooting page with PCI Bus ID issue description (#777) @pentschev

🚀 New Features

• Handle UCX-Py FutureWarning on UCX < 1.11.1 deprecation (#799) @pentschev
• Pin max dask & distributed versions (#794) @galipremsagar
• Update to UCX-Py 0.23 (#752) @pentschev

🛠️ Improvements

• Fix spill-to-disk triggered by Dask explicitly (#800) @madsbk
• Fix Changelog Merge Conflicts for branch-21.12 (#797) @ajschmidt8
• Use unittest.mock.patch for all os.environ tests (#787) @pentschev
• Logging when RMM allocation fails (#782) @madsbk
• Tally IDs instead of device buffers directly (#779) @madsbk
• Avoid proxy object aliasing (#775) @madsbk
• Test of sizeof proxy object (#774) @madsbk
• gc.collect when spilling on demand (#771) @madsbk
• Reenable explicit comms tests (#770) @madsbk
• Simplify JIT-unspill and writing docs (#768) @madsbk
• Increase CUDAWorker close timeout (#764) @pentschev
• Ignore known but expected test warnings (#759) @pentschev
• Spilling on demand (#756) @madsbk
• Revert "Temporarily skipping some tests because of a bug in Dask (#753)" (#754) @madsbk
• Temporarily skipping some tests because of a bug in Dask (#753) @madsbk
• Removing the FrameProxyObject workaround (#751) @madsbk
• Use cuDF Frame instead of Table (#748) @madsbk
• Remove proxy object locks (#747) @madsbk
• Unpin dask & distributed in CI (#742) @galipremsagar
• Update SSHCluster usage in benchmarks with new CUDAWorker (#326) @pentschev