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README.md	2026-02-04	28.8 kB	0
v26.02.00 source code.tar.gz	2026-02-04	9.5 MB	0
v26.02.00 source code.zip	2026-02-04	12.0 MB	0
Totals: 3 Items		21.5 MB	0

What's Changed

🚨 Breaking Changes

Avoid counting nulls and creating null mask in groupby aggregation MERGE_M2 by @ttnghia in https://github.com/rapidsai/cudf/pull/20716
Remove cudf::get_current_device_resource by @bdice in https://github.com/rapidsai/cudf/pull/20688
Avoid creating null mask in groupby aggregation M2 by @ttnghia in https://github.com/rapidsai/cudf/pull/20726
Remove deprecated left semi- and anti- join APIs by @shrshi in https://github.com/rapidsai/cudf/pull/20668
Inline and simplify some column methods by @vyasr in https://github.com/rapidsai/cudf/pull/20819
Enable copy-on-write in cudf.pandas by @vyasr in https://github.com/rapidsai/cudf/pull/20401
[FEA] Improve Null-Aware Operator Support in AST-Codegen by @lamarrr in https://github.com/rapidsai/cudf/pull/20206
Remove legacy hash-combine logic and unify hashing with row hasher by @PointKernel in https://github.com/rapidsai/cudf/pull/20796
Remove deprecated .from_pandas constructors by @mroeschke in https://github.com/rapidsai/cudf/pull/20925
Remove deprecated Series.data by @mroeschke in https://github.com/rapidsai/cudf/pull/20914
Remove all base attributes from ColumnBase by @vyasr in https://github.com/rapidsai/cudf/pull/20961
Fix handling of unquoted strings in the CSV reader by @vuule in https://github.com/rapidsai/cudf/pull/20996

🐛 Bug Fixes

Avoid duplicate streaming nodes for the rapidsmpf runtime by @rjzamora in https://github.com/rapidsai/cudf/pull/20586
Handle scalar arguments in ternary expression by @Matt711 in https://github.com/rapidsai/cudf/pull/20600
fix(noarch): use noarch build script in noarch build by @gforsyth in https://github.com/rapidsai/cudf/pull/20654
fix(conda): matrix out noarch builds by cuda-major version by @gforsyth in https://github.com/rapidsai/cudf/pull/20678
Include RMM in type checking environment and update type annotations for optional stream by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20636
Add no-op path for ArrowExtensionArray.astype by @Matt711 in https://github.com/rapidsai/cudf/pull/20580
Skip pytorch integration tests if CUDA is not available by @Matt711 in https://github.com/rapidsai/cudf/pull/20729
Always delay CUDA Array Interface pointer access by @vyasr in https://github.com/rapidsai/cudf/pull/20719
Fix various copy-on-write bugs by @vyasr in https://github.com/rapidsai/cudf/pull/20744
Fix leaks in cuDF java tests by @abellina in https://github.com/rapidsai/cudf/pull/20767
Fix plc.Scalar.from_py(datetime.datetime) incorrectly localizing naive datetimes by @mroeschke in https://github.com/rapidsai/cudf/pull/20769
Don't remove double casts in cudf_polars by @mroeschke in https://github.com/rapidsai/cudf/pull/20773
Fixes struct column handling in sort-merge joins by @shrshi in https://github.com/rapidsai/cudf/pull/20664
Fix for synccheck compute-sanitizer errors across Parquet gtest by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20775
Pin numpy<2.4.0a0 in mypy pre-commit environment by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20781
Raise when trying to run queries on different devices in same process by @wence- in https://github.com/rapidsai/cudf/pull/20617
Ensure min_periods=0 is passed through rolling aggregations by @Matt711 in https://github.com/rapidsai/cudf/pull/20653
Fix racecheck errors in the ORC reader by @vuule in https://github.com/rapidsai/cudf/pull/20792
Fix the crash of multi-threaded parquet reader benchmark by @kingcrimsontianyu in https://github.com/rapidsai/cudf/pull/20783
Fix racecheck reported by DATA_CHUNK_SOURCE_TEST in inflate_kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20804
Fix racecheck in the gpu_debrotli_kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20806
Ensure literal groupby aggregations are broadcasted to key length in cudf_polars by @mroeschke in https://github.com/rapidsai/cudf/pull/20776
Pin aiobotocore<3 to fix CI failures by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20844
Fix racecheck in parquet decode_page_data_generic kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20850
Avoid generating empty TableChunks in streaming scan nodes by @rjzamora in https://github.com/rapidsai/cudf/pull/20815
Fix dask imports in CudfFusedParquetIOHost by @rjzamora in https://github.com/rapidsai/cudf/pull/20845
Fix UB due to OOM Exception in ParquetReaderTest.ManyLargeLists by @lamarrr in https://github.com/rapidsai/cudf/pull/20841
Fix racecheck/synccheck in JSON parse_fn_string_parallel kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20856
Fix racecheck in ORC decode_column_data_kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20853
Disable flatbuffers tests in CMake configuration by @bdice in https://github.com/rapidsai/cudf/pull/20848
Upper bound on aiosqlite in polars-upstream job by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20866
Fix boolean casting consistency with Pandas (#20746) by @aryansri05 in https://github.com/rapidsai/cudf/pull/20747
Add retries to requests made to PyPI's JSON API by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20865
Fix size_type overflow in multiple APIs by @vuule in https://github.com/rapidsai/cudf/pull/20857
Fix racecheck in parquet compute_string_page_bounds_kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20868
Fix dictionary::encode to honor indices-type parameter by @davidwendt in https://github.com/rapidsai/cudf/pull/20842
Add missing headers to row_ir.hpp, row_ir.cpp by @bdice in https://github.com/rapidsai/cudf/pull/20834
Fix parquet_options in pdsh benchmark by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20893
Add stream synchronize to tdigest generate_group_cluster_info by @davidwendt in https://github.com/rapidsai/cudf/pull/20846
Only install RMM in mypy env on linux by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20878
Make nvcomp export unconditional by @vyasr in https://github.com/rapidsai/cudf/pull/20828
Ensure we have nvjitlink from the CUDA version used at build time or newer and upgrade numba-cuda lower bound by @bdice in https://github.com/rapidsai/cudf/pull/20873
Fix size_type overflow in the ORC writer by @vuule in https://github.com/rapidsai/cudf/pull/20889
Constrain pyparsing version by @vyasr in https://github.com/rapidsai/cudf/pull/20935
Revert [#20902] by @vyasr in https://github.com/rapidsai/cudf/pull/20955
Add force-blocking-launches to run_compute_sanitizer_test script by @davidwendt in https://github.com/rapidsai/cudf/pull/20962
Fix racecheck error in parquet delta_byte_array_decoder::string_scan by @davidwendt in https://github.com/rapidsai/cudf/pull/20967
Fix racechecks reported in parquet gpuEncodePages kernel by @davidwendt in https://github.com/rapidsai/cudf/pull/20975
Don't encode s3 paths for kvikio_remote_io in read_json by @mroeschke in https://github.com/rapidsai/cudf/pull/20976
Allow sort merge join to go above int32 output row limits by @revans2 in https://github.com/rapidsai/cudf/pull/20960
Correct stream ordered deallocation in Join by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20981
Reintroduce Buffer.nbytes property by @pentschev in https://github.com/rapidsai/cudf/pull/21027
Fix SHA hash OOB on strings that are exact multiples of message chunk size by @rishic3 in https://github.com/rapidsai/cudf/pull/21004
Temporarily disable IWYU for nightly tests by @davidwendt in https://github.com/rapidsai/cudf/pull/21045
Fix cudf-polars multi-partition distributed sort by @TomAugspurger in https://github.com/rapidsai/cudf/pull/21047
Backport [#21051] by @wence- in https://github.com/rapidsai/cudf/pull/21086
Pin pandas for pylibcudf testing by @galipremsagar in https://github.com/rapidsai/cudf/pull/21124
Hide pinned pool instantiation to avoid symbol conflicts with nvcomp by @vyasr in https://github.com/rapidsai/cudf/pull/21161
Specialize field type checking for bool in Parquet thrift list decoder by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/21144
Fix reading of CSV files with double quotes in unquoted strings by @vuule in https://github.com/rapidsai/cudf/pull/21151
Revert the multithreaded optimization in the CSV reader by @vuule in https://github.com/rapidsai/cudf/pull/21198
Pin sqlglot in third-party integration tests by @Matt711 in https://github.com/rapidsai/cudf/pull/21271
Exclude sqlglot version 28.7 from CI by @Matt711 in https://github.com/rapidsai/cudf/pull/21293

📖 Documentation

Add note to developer guide about null values being undefined by @bdice in https://github.com/rapidsai/cudf/pull/20645
[DOC] Add cudf-polars to the example build command by @Matt711 in https://github.com/rapidsai/cudf/pull/20763
Clarify internal API header placement guidelines for details headers by @PointKernel in https://github.com/rapidsai/cudf/pull/20985
Clarify deprecation message for cudf::round by @nirandaperera in https://github.com/rapidsai/cudf/pull/20809
Require nvcc 12.9 in contributing guide by @bdice in https://github.com/rapidsai/cudf/pull/21186

🚀 New Features

Expose cudf::compute_column_jit to python by @Matt711 in https://github.com/rapidsai/cudf/pull/20697
Add configuration option for max-io-threads by @quasiben in https://github.com/rapidsai/cudf/pull/20606
Return stats from lower_ir_graph by @rjzamora in https://github.com/rapidsai/cudf/pull/20528
Promote join_kind from detail namespace to public by @PointKernel in https://github.com/rapidsai/cudf/pull/20703
Make DataFrameScan and DataFrameSourceInfo pickle-able by @rjzamora in https://github.com/rapidsai/cudf/pull/20732
Add compute-sanitizer dispatch action by @bdice in https://github.com/rapidsai/cudf/pull/20542
Add RapidsMPF AllGather manager to cudf-polars by @rjzamora in https://github.com/rapidsai/cudf/pull/20731
Use metadata channel for the "rapidsmpf" runtime by @rjzamora in https://github.com/rapidsai/cudf/pull/20738
Enable distributed execution with the "rapidsmpf" runtime by @rjzamora in https://github.com/rapidsai/cudf/pull/20662
Filter row groups using byte range in the new experimental parquet reader by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20733
Make row hasher 64-bit hashing compatible by @PointKernel in https://github.com/rapidsai/cudf/pull/20777
Expose parquet JIT filter option to python by @Matt711 in https://github.com/rapidsai/cudf/pull/20790
Add filter_join_indices by @PointKernel in https://github.com/rapidsai/cudf/pull/20385
Add support for topk aggregation in libcudf groupby by @davidwendt in https://github.com/rapidsai/cudf/pull/20632
Allow parquet readers to use existing datasources and metadatas by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20693
Reader and writer for a simple CudfTable format by @vuule in https://github.com/rapidsai/cudf/pull/20811
Add support for dictionary types in the row hasher by @PointKernel in https://github.com/rapidsai/cudf/pull/20989
Support left joins using sort-merge algorithm by @shrshi in https://github.com/rapidsai/cudf/pull/20787
Implement batch_null_count to count nulls for multiple null masks by a single kernel call, and application in groupby aggregations by @ttnghia in https://github.com/rapidsai/cudf/pull/20872
Support multiple roaring bitmap deletion vectors in parquet readers by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20840
Add approx_distinct_count by @PointKernel in https://github.com/rapidsai/cudf/pull/20735
Pin Polars>=1.30,<1.36 by @Matt711 in https://github.com/rapidsai/cudf/pull/20791
Support is_compressed V2 flag in the Parquet writer by @vuule in https://github.com/rapidsai/cudf/pull/21050
Example to demonstrate intra-parquet-file pipelining using hybrid scan APIs by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20918

🛠️ Improvements

feat(conda): build noarch python packages separately by @gforsyth in https://github.com/rapidsai/cudf/pull/20613
Fix rapidsmpf dependency updates by @bdice in https://github.com/rapidsai/cudf/pull/20624
Print duckDB query plan and change Q17 join type by @Matt711 in https://github.com/rapidsai/cudf/pull/20615
Update RapidsMPF imports by @madsbk in https://github.com/rapidsai/cudf/pull/20665
Forward-merge release/25.12 into main by @bdice in https://github.com/rapidsai/cudf/pull/20676
Remove cudfjar install target by @vyasr in https://github.com/rapidsai/cudf/pull/20670
Use RAPIDS_BRANCH in cmake-format invocations that need rapids-cmake configs by @bdice in https://github.com/rapidsai/cudf/pull/20415
Merge release/25.12 into main by @vyasr in https://github.com/rapidsai/cudf/pull/20706
Use strict priority in CI conda tests by @bdice in https://github.com/rapidsai/cudf/pull/20690
Minor improvements to pylibcudf recipe by @bdice in https://github.com/rapidsai/cudf/pull/20684
Remove unnecessary nanoarrow fetch by @vyasr in https://github.com/rapidsai/cudf/pull/20669
Revert pytest pin by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20643
Use real row-group sample to estimate partition size by @rjzamora in https://github.com/rapidsai/cudf/pull/20567
Move rapidsmpf-specific testing in cudf-polars by @rjzamora in https://github.com/rapidsai/cudf/pull/20695
Include thrust::pair headers by @bdice in https://github.com/rapidsai/cudf/pull/20708
Remove sccache calls in noarch builds by @vyasr in https://github.com/rapidsai/cudf/pull/20710
Replace rmm::mr::get_current_device_resource() with cudf::get_current_device_resource_ref() by @davidwendt in https://github.com/rapidsai/cudf/pull/20694
Improved implementation for get_mask_offset_word utility by @davidwendt in https://github.com/rapidsai/cudf/pull/20622
Remove unneeded cudaMemcpy() calls by @davidwendt in https://github.com/rapidsai/cudf/pull/20618
Simplify broadcast-join algorithm in cudf-polars by @rjzamora in https://github.com/rapidsai/cudf/pull/20724
Add spilling support to staged fanout chunks by @rjzamora in https://github.com/rapidsai/cudf/pull/20642
Use rapidsmpf ShufflerAsync by @rjzamora in https://github.com/rapidsai/cudf/pull/20701
Move thrust::tuple usages to cuda::std::tuple by @davidwendt in https://github.com/rapidsai/cudf/pull/20717
Add job-specific timeouts to GHA test jobs by @bdice in https://github.com/rapidsai/cudf/pull/20730
Compatibility updates for CCCL 3.2 by @bdice in https://github.com/rapidsai/cudf/pull/20725
Move googlebench benchmarks to nvbench by @davidwendt in https://github.com/rapidsai/cudf/pull/20698
Enable blocking mechanism to avoid proxy object transfers in cudf.pandas by @galipremsagar in https://github.com/rapidsai/cudf/pull/19805
Remove googlebench dependency for libcudf by @davidwendt in https://github.com/rapidsai/cudf/pull/20739
Upgrade nanoarrow by @vyasr in https://github.com/rapidsai/cudf/pull/20711
Improve local pandas testing experience by @vyasr in https://github.com/rapidsai/cudf/pull/20753
Use .plc_column instead of .to_pylibcudf in IO methods by @mroeschke in https://github.com/rapidsai/cudf/pull/20742
Use .plc_column instead of .to_pylibcudf in indexing_utils, public objects by @mroeschke in https://github.com/rapidsai/cudf/pull/20758
Add back previously failing json test with stream by @vyasr in https://github.com/rapidsai/cudf/pull/19865
Add libcudf dictionary encode benchmark by @davidwendt in https://github.com/rapidsai/cudf/pull/20696
Remove unneeded aggregation kind_to_type utility and macro by @davidwendt in https://github.com/rapidsai/cudf/pull/20682
Test copy-on-write in CI by @vyasr in https://github.com/rapidsai/cudf/pull/20745
Stop using Dtype annotation more internally in cudf classic by @mroeschke in https://github.com/rapidsai/cudf/pull/20760
Parquet: Only fill in null values for string lengths and list offsets by @pmattione-nvidia in https://github.com/rapidsai/cudf/pull/20671
Enable mypy's disallow_untyped_defs = true in cudf.core.column.* by @mroeschke in https://github.com/rapidsai/cudf/pull/20759
Improve groupby test utils to include the original location of failure by @ttnghia in https://github.com/rapidsai/cudf/pull/20718
use CUDA 13 for third-party integration tests by @jameslamb in https://github.com/rapidsai/cudf/pull/20748
Use strict priority in CI conda tests by @bdice in https://github.com/rapidsai/cudf/pull/20772
Upgrade to nvcomp 5.1.0.21 by @bdice in https://github.com/rapidsai/cudf/pull/20770
Use RapidsMPF's reserve_device_memory_and_spill() by @madsbk in https://github.com/rapidsai/cudf/pull/20778
avoid passing start as keyword argument to np.arange by @jorenham in https://github.com/rapidsai/cudf/pull/20788
Use env var to disable long tests when run with racecheck by @davidwendt in https://github.com/rapidsai/cudf/pull/20755
Improve performance for small string gather by @tgujar in https://github.com/rapidsai/cudf/pull/20656
Deprecate sort-merge join functional APIs by @shrshi in https://github.com/rapidsai/cudf/pull/20785
Partially revert broadcast-join change by @rjzamora in https://github.com/rapidsai/cudf/pull/20779
Type checking compatibility for numpy 2.4.0rc1 and other fixes by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20795
Support pl.Expr.cast(strict=False) in cudf_polars by @mroeschke in https://github.com/rapidsai/cudf/pull/20784
chore(noarch): standardize noarch artifact naming by @gforsyth in https://github.com/rapidsai/cudf/pull/20794
Remove alpha specs from non-RAPIDS dependencies by @bdice in https://github.com/rapidsai/cudf/pull/20797
Enable merge barriers by @KyleFromNVIDIA in https://github.com/rapidsai/cudf/pull/20813
Update to numba-cuda >=0.22.1,<0.23.0 by @brandon-b-miller in https://github.com/rapidsai/cudf/pull/20750
Enable using multithreaded setup_page_index in hybrid scan reader by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20721
Remove size and offsets from Column by @vyasr in https://github.com/rapidsai/cudf/pull/20824
Add devcontainer fallback for C++ test location by @bdice in https://github.com/rapidsai/cudf/pull/20838
Add cudf-polars option to control rapidsmpf Shuffle insertion method by @TomAugspurger in https://github.com/rapidsai/cudf/pull/19634
Make null_count delegate to plc_column by @vyasr in https://github.com/rapidsai/cudf/pull/20854
Replace thrust reductions in Parquet reader with CUB + pinned memory based implementations by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20821
Reduce stream synchronization in (mutable_)column_device_view::create() and (mutable_)table_device_view::create() by @ttnghia in https://github.com/rapidsai/cudf/pull/20852
Clean up hash-based groupby aggregation, reducing overhead and memory usage by @ttnghia in https://github.com/rapidsai/cudf/pull/20658
Support decomposing Len expressions in cudf_polars streaming executor by @mroeschke in https://github.com/rapidsai/cudf/pull/20786
Add parameter to disable native read_parquet node by @rjzamora in https://github.com/rapidsai/cudf/pull/20858
Support arbitrary span-like data storage in pylibcudf Column by @vyasr in https://github.com/rapidsai/cudf/pull/20869
Merge ExposureTrackedBuffer into Buffer to simplify class hierarchy by @vyasr in https://github.com/rapidsai/cudf/pull/20874
Replace thrust logical functions with CUB + pinned memory based implementations in Parquet reader by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20822
Sync stream in host_memory.cpp by @bdice in https://github.com/rapidsai/cudf/pull/20687
Remove extra syncthreads() call from ORC DecodeRowPositions device function by @davidwendt in https://github.com/rapidsai/cudf/pull/20867
Temporarily increase max_days_without_success for nightly CI check by @bdice in https://github.com/rapidsai/cudf/pull/20880
Add zstd kernels to compute-sanitizer filter parameter by @davidwendt in https://github.com/rapidsai/cudf/pull/20875
Replace thrust::reduce_by_key with CUB + pinned memory based wrapper by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20860
cuml 26.2.0 compatibility by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20883
Implement pandas 3.0, backward compatible changes by @mroeschke in https://github.com/rapidsai/cudf/pull/20803
Improve column selection in the new experimental parquet reader by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20604
Fix some gtests to not assume dictionary keys order by @davidwendt in https://github.com/rapidsai/cudf/pull/20827
Parquet decode: Skip up to first_row for non-lists by @pmattione-nvidia in https://github.com/rapidsai/cudf/pull/20835
Disable DeeplyNestedArithmeticLogicalExpression jit gtest for driver < 12.9 by @davidwendt in https://github.com/rapidsai/cudf/pull/20894
Make base_data and base_mask passthroughs by @vyasr in https://github.com/rapidsai/cudf/pull/20896
Changes needed for CCCL 3.2 compatibility by @bdice in https://github.com/rapidsai/cudf/pull/20810
Modify the default pinned pool to allow growth when the pool is exhausted by @vuule in https://github.com/rapidsai/cudf/pull/20839
Empty commit to trigger a build by @bdice in https://github.com/rapidsai/cudf/pull/20922
Fix clang-tidy errors by @vyasr in https://github.com/rapidsai/cudf/pull/20929
Replace thrust count_if and copy_if with CUB + pinned memory based wrappers by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20861
Parquet: Reuse string offset preprocessing when allocating output memory by @pmattione-nvidia in https://github.com/rapidsai/cudf/pull/20902
Clean up includes for rmm::mr::polymorphic_allocator by @bdice in https://github.com/rapidsai/cudf/pull/20371
Convert to plc_column wherever possible by @vyasr in https://github.com/rapidsai/cudf/pull/20940
Push more arrow conversion logic down to pylibcudf by @vyasr in https://github.com/rapidsai/cudf/pull/20919
Simplify categorical column by @vyasr in https://github.com/rapidsai/cudf/pull/20942
Remove get_ptr from buffer owner classes by @vyasr in https://github.com/rapidsai/cudf/pull/20949
Fix null counts in mutating pylibcudf operations by @vyasr in https://github.com/rapidsai/cudf/pull/20950
Add context manager to control access mode by @vyasr in https://github.com/rapidsai/cudf/pull/20952
Convert column children computation from lazy to eager by @vyasr in https://github.com/rapidsai/cudf/pull/20953
Use SPDX license identifiers in pyproject.toml, bump build dependency floors by @jameslamb in https://github.com/rapidsai/cudf/pull/20959
Compatibility for cuML deprecation warnings by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20884
Use larger node for cpp-linters job in nightly tests by @vyasr in https://github.com/rapidsai/cudf/pull/20963
Fix min/max reduction logic for dictionary columns by @davidwendt in https://github.com/rapidsai/cudf/pull/20847
Remove null masks for intermediate results when computing compound hash-based groupby aggregations by @ttnghia in https://github.com/rapidsai/cudf/pull/20736
Fix warnings in dask-cudf test suite by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20951
Add CUDA 13.1 support by @bdice in https://github.com/rapidsai/cudf/pull/20870
Enable spill lock acquisition via context by @vyasr in https://github.com/rapidsai/cudf/pull/20964
Restore string preprocess PR and fix memcheck by @pmattione-nvidia in https://github.com/rapidsai/cudf/pull/20969
Enable sccache-dist for cpp-linters by @vyasr in https://github.com/rapidsai/cudf/pull/20968
[pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/rapidsai/cudf/pull/20971
Clean up mixed join common utilities by @PointKernel in https://github.com/rapidsai/cudf/pull/20836
Disable TRANSPOSE_TEST checking logic for CI racecheck runs by @davidwendt in https://github.com/rapidsai/cudf/pull/20970
Use nosync execution policy everywhere by @bdice in https://github.com/rapidsai/cudf/pull/20807
Remove cuda.core.experimental warnings filters by @brandon-b-miller in https://github.com/rapidsai/cudf/pull/20933
Implement more flexible runtime to compile-time dispatching by @vyasr in https://github.com/rapidsai/cudf/pull/20927
Use per-column context in place of acquire_spill_lock by @vyasr in https://github.com/rapidsai/cudf/pull/20977
Fix cudf::clamp() for dictionary column types by @davidwendt in https://github.com/rapidsai/cudf/pull/20898
Patch installed pandas for cudf.pandas, pandas unit test run with CoW fix by @mroeschke in https://github.com/rapidsai/cudf/pull/20973
build and test against CUDA 13.1.0 by @jameslamb in https://github.com/rapidsai/cudf/pull/20972
Add opaque_reservation utility by @rjzamora in https://github.com/rapidsai/cudf/pull/20885
Remove exposure on column construction and unwrap buffers on pylibcudf conversion by @vyasr in https://github.com/rapidsai/cudf/pull/20980
Apply nosync execution policy in tests, benchmarks, Python, Java, and add docs by @bdice in https://github.com/rapidsai/cudf/pull/20978
Use D instead of d for time units by @galipremsagar in https://github.com/rapidsai/cudf/pull/20910
Add missing standard library headers to groupby/hash and jit files by @bdice in https://github.com/rapidsai/cudf/pull/20982
Add in key remapping for improved sort merge join performance by @revans2 in https://github.com/rapidsai/cudf/pull/20826
Use pinned memory in PQ reader to avoid pageable copies by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20820
Add Hybrid scan APIs for single-step table materialization by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/20906
Add utility for deferring allocations on a stream by @TomAugspurger in https://github.com/rapidsai/cudf/pull/20987
Remove CUDF_EXPORT from cudf::detail::contains by @davidwendt in https://github.com/rapidsai/cudf/pull/20991
Restrict objects that construct cuDF Python Buffer by @mroeschke in https://github.com/rapidsai/cudf/pull/20983
Fix min/max groupby logic for dictionary columns by @davidwendt in https://github.com/rapidsai/cudf/pull/20887
Centralize cudf Column creation as much as possible by @vyasr in https://github.com/rapidsai/cudf/pull/20999
Empty commit to trigger a build by @jameslamb in https://github.com/rapidsai/cudf/pull/21014
Rearrange variables to reduce padding by @pmattione-nvidia in https://github.com/rapidsai/cudf/pull/21016
Clean up buffer and access context implementations by @vyasr in https://github.com/rapidsai/cudf/pull/21013
Add missing thrust/tuple.h include for thrust::tie by @bdice in https://github.com/rapidsai/cudf/pull/21009
Replace remaining small pageable copies in PQ reader with pinned by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/21006
Add dictionary specialization to row comparators by @davidwendt in https://github.com/rapidsai/cudf/pull/20830
Add no_sanitizer filter to compute-sanitizer script by @davidwendt in https://github.com/rapidsai/cudf/pull/20992
Make test_json_writer compatible with pandas 3 by @mroeschke in https://github.com/rapidsai/cudf/pull/21015
Use main shared-workflows branch by @jameslamb in https://github.com/rapidsai/cudf/pull/21038
Improve usage of polymorphism in columns by @vyasr in https://github.com/rapidsai/cudf/pull/21030
Increase memcheck timeout in nightly test script by @davidwendt in https://github.com/rapidsai/cudf/pull/21040
wheel builds: react to changes in pip's handling of build constraints by @mmccarty in https://github.com/rapidsai/cudf/pull/21048
Stop using non-pylibcudf children by @vyasr in https://github.com/rapidsai/cudf/pull/21057
Backport [#21033]: Add new pinned vector factory functions by @mhaseeb123 in https://github.com/rapidsai/cudf/pull/21106
Use a multi-level host thread pool to avoid deadlocks by @vuule in https://github.com/rapidsai/cudf/pull/21075
fix(build): build package on merge to release/* branch by @gforsyth in https://github.com/rapidsai/cudf/pull/21181
Fallback to numba-cuda with no extra CUDA packages if 'cuda_suffixed' isn't true by @trxcllnt in https://github.com/rapidsai/cudf/pull/21185