v21.12.00

🚨 Breaking Changes

• Disable HITS and setup 11.5 env (#1930) @BradReesWork

🐛 Bug Fixes

• Updates to libcugraph_etl conda recipe for CUDA Enhanced Compatibility (#1968) @rlratzel
• Enforce renumbering for MNMG algos (#1943) @jnke2016
• Bug fix in the R-mat generator (#1929) @seunghwak
• Updates to support correct comparisons of cuDF Series with different names (#1928) @rlratzel
• Updated error message and using a proper TypeError exception when an invalid MultiGraph is passed in (#1925) @rlratzel
• Update calls to cuDF Series ctors, bug fix to cugraph.subgraph() for handling non-renumbered Graphs (#1901) @rlratzel
• Fix MG test bug (#1897) @seunghwak
• Temporary workaround for CI issues with 11.0 (#1883) @ChuckHastings
• Ensuring dask workers are using local space (#1879) @jnke2016
• Disable WCC test until we get get on an A100 to debug on (#1870) @ChuckHastings

📖 Documentation

• Enable crosslink to rmm (#1918) @AyodeAwe

🚀 New Features

• C API Create Graph Implementation (#1940) @ChuckHastings
• Count self-loops and multi-edges (#1939) @seunghwak
• Add a new graph primitive to filter edges (extract_if_e) (#1938) @seunghwak
• Add options to drop self-loops & multi_edges in C++ test graph generation (#1934) @seunghwak
• K-core implementation for undirected graphs (#1933) @seunghwak
• K-core decomposition API update (#1924) @seunghwak
• Transpose (#1834) @seunghwak
• Symmetrize (#1833) @seunghwak

🛠️ Improvements

• Fix Changelog Merge Conflicts for branch-21.12 (#1960) @ajschmidt8
• Pin max dask & distributed to 2021.11.2 (#1958) @galipremsagar
• Explicitly install cusolver version with the correct ABI version (#1954) @robertmaynard
• Upgrade clang to 11.1.0 (#1949) @galipremsagar
• cugraph bring in the same cuco as raft and cudf (#1945) @robertmaynard
• Re-enable HITS in the python API using the new primitive-based implementation (#1941) @rlratzel
• Accounting for raft::random detail changes (#1937) @divyegala
• Use collections.abc.Sequence instead of deprecated collections.Sequence. (#1932) @bdice
• Update rapids-cmake to 21.12 (#1931) @dantegd
• Disable HITS and setup 11.5 env (#1930) @BradReesWork
• add new demo notebook for louvain (#1927) @ChuckHastings
• Ensure empty shuffled columns have the appropriate dtype (#1926) @jnke2016
• improved Nx conversion performance (#1921) @BradReesWork
• Fix metadata mismatch (#1920) @jnke2016
• Additional improvements to support (key, value) pairs when E/V is small and P is large (#1919) @seunghwak
• Remove unnecessary host barrier synchronization (#1917) @seunghwak
• Reduce MNMG memory requirements (#1916) @seunghwak
• Added separate helpers for moving buffers to either cudf column and series objects (#1915) @rlratzel
• C API for creating a graph (#1907) @ChuckHastings
• Add raft ops for reduce_v and transform_reduce_v (#1902) @kaatish
• Store benchmark results in json files (#1900) @jnke2016
• HITS primitive based implementation (#1898) @kaatish
• Update to UCX-Py 0.23 (#1895) @Ethyling
• Updating WCC/SCC notebook (#1893) @BradReesWork
• Update input argument check for graph_t constructor and remove expensive input argument check for graph_view_t (#1890) @seunghwak
• Update conda recipes for Enhanced Compatibility effort (#1889) @ajschmidt8
• Minor code clean-up (#1888) @seunghwak
• Sort local neighbors in the graph adjacency list. (#1886) @seunghwak
• initial creation of libcugraph_etl.so (#1885) @ChuckHastings
• Fixing Nx and Graph/DiGraph issues (#1882) @BradReesWork
• Remove unnecessary explicit template instantiation (#1878) @seunghwak
• node2vec Sampling Implementation (#1875) @aschaffer
• update docstring and examples (#1866) @jnke2016
• Copy v transform reduce out test (#1856) @kaatish
• Unpin dask & distributed (#1849) @galipremsagar
• Fix automerger for branch-21.12 (#1848) @galipremsagar
• Extract BFS paths SG implementation (#1838) @ChuckHastings
• Initial cuGraph C API - biased RW, C tests, script updates, cmake files, C library helpers (#1799) @aschaffer