Update Changelog [skip ci]

Author: AyodeAwe

CHANGELOG.md

@@ -1,3 +1,109 @@
+# cuvs 26.04.00 (8 Apr 2026)
+
+### 🚨 Breaking Changes
+* Use HNSW GPU Hierarchy by Default by @julianmi in https://github.com/rapidsai/cuvs/pull/1617
+* Backport "Default to static linking of libcudart" by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1918
+* enforce a floor on libnvjitlink, build wheels with CUDA 13.0.x, test wheels against mix of CTK versions by @jameslamb in https://github.com/rapidsai/cuvs/pull/1862
+### 🐛 Bug Fixes
+* Add float16 support for CAGRA extend by @lowener in https://github.com/rapidsai/cuvs/pull/1620
+* Fix C examples CUDAToolkit dependency by @tfeher in https://github.com/rapidsai/cuvs/pull/1626
+* clang-tidy: remove AnalyzeTemporaryDtors key by @achirkin in https://github.com/rapidsai/cuvs/pull/1778
+* Fix build.sh: build cuvs_c for examples and fix --gpu-arch parsing by @achirkin in https://github.com/rapidsai/cuvs/pull/1779
+* Better handling of batching of search in MG replicated mode by @viclafargue in https://github.com/rapidsai/cuvs/pull/1718
+* Add nvjitlink to cuda-toolkit pip extras for cusparse compatibility by @bdice in https://github.com/rapidsai/cuvs/pull/1794
+* [REVIEW] Fix: for balanced kmeans use grid.x for adjust_centers to avoid grid.y overflow for >262K centroids by @Nischal1729 in https://github.com/rapidsai/cuvs/pull/1805
+* Fix thrust header by @aamijar in https://github.com/rapidsai/cuvs/pull/1817
+* Fix persistent CAGRA regressions by @achirkin in https://github.com/rapidsai/cuvs/pull/1800
+* Fix thrust header by @aamijar in https://github.com/rapidsai/cuvs/pull/1825
+* Set `cudaFuncAttributeMaxDynamicSharedMemorySize` with thread-safety by @mythrocks in https://github.com/rapidsai/cuvs/pull/1771
+* [REVIEW] Move from `thrust::make_counting_iterator` to `cuda::make_counting_iterator` by @mythrocks in https://github.com/rapidsai/cuvs/pull/1826
+* Fixed cuvs benchmark debug build issue (linker step fail) by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1599
+* Graph degree equals intermediate graph degree bug fix by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1834
+* FAISS patch for `thrust_counting_iterator.h` by @aamijar in https://github.com/rapidsai/cuvs/pull/1844
+* Use 1D grid calculations in `epsilon_neighborhood` by @divyegala in https://github.com/rapidsai/cuvs/pull/1847
+* Fix setting CAGRA graph build algo to iterative search by default by @achirkin in https://github.com/rapidsai/cuvs/pull/1864
+* Faiss suppress warning 611 by @aamijar in https://github.com/rapidsai/cuvs/pull/1879
+* Pin faiss to 1.14.0 by @aamijar in https://github.com/rapidsai/cuvs/pull/1885
+* Make some minor fixes to JIT+LTO functionality by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1896
+* Revert "Default to static linking of libcudart" by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1925
+* Fix hanging pytests by @aamijar in https://github.com/rapidsai/cuvs/pull/1924
+* Disallow programmatic stream serialization in JIT kernel launches by @divyegala in https://github.com/rapidsai/cuvs/pull/1932
+* IVF-Flat: fix irrelevant assert in the fused kernel mode by @achirkin in https://github.com/rapidsai/cuvs/pull/1941
+* [REVIEW] cuVS bench: Fix cudaFuncSetAttribute not being called when CAGRA search switches kernel variants by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1851
+* Pin openblas for aarch64 by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1965
+* Null JIT kernel launch config by @divyegala in https://github.com/rapidsai/cuvs/pull/1974
+* [BUG] Fix Vamana Serialization by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1966
+### 📖 Documentation
+* remove docs references to cuvs-bench-datasets, install a C compiler in pre-commit env by @jameslamb in https://github.com/rapidsai/cuvs/pull/1736
+* Adding simple tarball install to build and install docs by @cjnolet in https://github.com/rapidsai/cuvs/pull/1868
+* Fixing nccl link in tarball install instructions by @cjnolet in https://github.com/rapidsai/cuvs/pull/1887
+* Add developer and user guides for JIT by @divyegala in https://github.com/rapidsai/cuvs/pull/1876
+* PCA docs by @aamijar in https://github.com/rapidsai/cuvs/pull/1949
+* Fix a few typos and ``.rst`` link syntax by @jrbourbeau in https://github.com/rapidsai/cuvs/pull/1973
+* Update docs footer year by @aamijar in https://github.com/rapidsai/cuvs/pull/1958
+* Doc improvements by @aamijar in https://github.com/rapidsai/cuvs/pull/1978
+### 🚀 New Features
+* JIT compile `interleaved_scan_kernel` for CUDA 13 by @divyegala in https://github.com/rapidsai/cuvs/pull/1405
+* [REVIEW] L1 distance support for iterative search CAGRA build by @yan-zaretskiy in https://github.com/rapidsai/cuvs/pull/1831
+* [FEA] Inertia Computation for Balanced KMeans and Add Option for Weighted Inertia by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1880
+* PCA preprocessor by @aamijar in https://github.com/rapidsai/cuvs/pull/1808
+* [FEA] Add Batching to KMeans by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1886
+### 🛠️ Improvements
+* Automatic Partition Count Derivation for ACE  by @julianmi in https://github.com/rapidsai/cuvs/pull/1603
+* Add filter for cagra::merge by @benfred in https://github.com/rapidsai/cuvs/pull/1496
+* Ivf_flat extends golang APIs by @cpegeric in https://github.com/rapidsai/cuvs/pull/1600
+* Drop Python 3.10 support by @gforsyth in https://github.com/rapidsai/cuvs/pull/1748
+* tighten wheel size limits, expand CI-skipping logic, other small build changes by @jameslamb in https://github.com/rapidsai/cuvs/pull/1751
+* Migrate hash strategy to use the new cuco::static_map by @PointKernel in https://github.com/rapidsai/cuvs/pull/1462
+* Update raft headers by @aamijar in https://github.com/rapidsai/cuvs/pull/1763
+* remove pip.conf migration code in CI scripts, update CI-skipping rules by @jameslamb in https://github.com/rapidsai/cuvs/pull/1760
+* Convert non-type template parameters to runtime parameters in CAGRA search to cut binary size by @seunghwak in https://github.com/rapidsai/cuvs/pull/1498
+* Rename lanczos by @aamijar in https://github.com/rapidsai/cuvs/pull/1759
+* CI: build with CUDA 13.1.1 by @jameslamb in https://github.com/rapidsai/cuvs/pull/1766
+* Fixes for stricter compilers by @maxwbuckley in https://github.com/rapidsai/cuvs/pull/1703
+* fix cpu_search call by including `k` argument by @benfred in https://github.com/rapidsai/cuvs/pull/1785
+* Use GHA id-token for `sccache-dist` auth token by @trxcllnt in https://github.com/rapidsai/cuvs/pull/1790
+* Remove `cagra_optimize.hpp` by @aamijar in https://github.com/rapidsai/cuvs/pull/1791
+* Remove unused use_norms constant from kernel_sm60.cuh by @maxwbuckley in https://github.com/rapidsai/cuvs/pull/1705
+* Remove unused variable read_idx from query loop by @maxwbuckley in https://github.com/rapidsai/cuvs/pull/1706
+* remove gitutils by @jameslamb in https://github.com/rapidsai/cuvs/pull/1797
+* refactor: build wheels and conda packages using Python limited API by @gforsyth in https://github.com/rapidsai/cuvs/pull/1788
+* Add pluggable backend architecture to cuvs-bench by @jnke2016 in https://github.com/rapidsai/cuvs/pull/1536
+* Use Specific CCCL Includes by @divyegala in https://github.com/rapidsai/cuvs/pull/1806
+* Replace `thrust::tuple` with `cuda::std::tuple` by @miscco in https://github.com/rapidsai/cuvs/pull/1811
+* check-nightly-ci: update to new version by @jameslamb in https://github.com/rapidsai/cuvs/pull/1813
+* check-nightly-ci: remove testing config by @jameslamb in https://github.com/rapidsai/cuvs/pull/1824
+* Refactor JIT LTO kernel generation by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1812
+* Move `test_compute_matrix_product.py` to `cpp/tests` by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1836
+* Drop uses of `thrust/functional.h` by @miscco in https://github.com/rapidsai/cuvs/pull/1835
+* Better `ncv` param spectral embedding edge case by @aamijar in https://github.com/rapidsai/cuvs/pull/1828
+* Modernize the uses of raft in cuVS by @achirkin in https://github.com/rapidsai/cuvs/pull/1837
+* refactor(limited api): add explicit `wheel.py-api` to `pyproject.toml`
+ by @gforsyth in https://github.com/rapidsai/cuvs/pull/1852
+* Update Cython lower bound pin to 3.2.2 by @vyasr in https://github.com/rapidsai/cuvs/pull/1858
+* Add support for Python 3.14 by @gforsyth in https://github.com/rapidsai/cuvs/pull/1845
+* fix(rust): change Index::search to take &self instead of self by @zbennett10 in https://github.com/rapidsai/cuvs/pull/1839
+* Remove pytest upper bound pin by @vyasr in https://github.com/rapidsai/cuvs/pull/1867
+* Readme: vecflow paper in references by @aamijar in https://github.com/rapidsai/cuvs/pull/1874
+* Refactor knn graph build params to remove `graph_build_types.hpp` by @jinsolp in https://github.com/rapidsai/cuvs/pull/1235
+* Remove IndexWrapper by @aamijar in https://github.com/rapidsai/cuvs/pull/1792
+* Use C linkage for JIT LTO kernels by @divyegala in https://github.com/rapidsai/cuvs/pull/1909
+* Prevent nested parallelism in HNSW bench by @julianmi in https://github.com/rapidsai/cuvs/pull/1895
+* Add a script to check for breaking C ABI changes by @benfred in https://github.com/rapidsai/cuvs/pull/1749
+* Improve the IVF-PQ Coarse Batch Size Workspace Estimation by @julianmi in https://github.com/rapidsai/cuvs/pull/1937
+* ScaNN: Fix AVQ prefetch by @rmaschal in https://github.com/rapidsai/cuvs/pull/1899
+
+## New Contributors
+* @cpegeric made their first contribution in https://github.com/rapidsai/cuvs/pull/1600
+* @PointKernel made their first contribution in https://github.com/rapidsai/cuvs/pull/1462
+* @seunghwak made their first contribution in https://github.com/rapidsai/cuvs/pull/1498
+* @Nischal1729 made their first contribution in https://github.com/rapidsai/cuvs/pull/1805
+* @jnke2016 made their first contribution in https://github.com/rapidsai/cuvs/pull/1536
+* @zbennett10 made their first contribution in https://github.com/rapidsai/cuvs/pull/1839
+* @jrbourbeau made their first contribution in https://github.com/rapidsai/cuvs/pull/1973
+
+**Full Changelog**: https://github.com/rapidsai/cuvs/compare/v26.04.00a...release/26.04
+
 # cuvs 26.02.00 (4 Feb 2026)
 
 ### 🚨 Breaking Changes