v26.06.00

What's Changed

🚨 Breaking Changes

• Default to static linking of libcudart by @bdice in #1627
• Remove JIT+LTO fragment database by @KyleFromNVIDIA in #1927
• Use static cudart by @KyleFromNVIDIA in #1931
• Always build with JIT+LTO by @KyleFromNVIDIA in #1923
• Migrate RMM usage to CCCL MR design by @bdice in #1990
• Exposition of KMeans param object for PQ in C++ by @lowener in #2005
• [Cleanup] Combine Batched and Regular KMeans Impl by @tarang-jain in #2015
• Preserve input memory location for NN Descent by @jinsolp in #1928

🐛 Bug Fixes

• Fix CCCL compilation error by @viclafargue in #1963
• Forward-merge release/26.04 into main by @KyleFromNVIDIA in #1971
• Forward-merge release/26.04 into main by @KyleFromNVIDIA in #1980
• Remove dangling pointers in JIT Fragments by @divyegala in #1988
• Add head_rev to cuvs recipe by @KyleFromNVIDIA in #1993
• Fix potential OOB access in CAGRA search when graph size < dataset size by @irina-resh-nvda in #1780
• Fix MG kmeans intertia_check n_iters by @aamijar in #2020
• Fix cuvs_bench pytest pareto assert by @aamijar in #2027
• Fix nightly build matrix by @KyleFromNVIDIA in #2054
• Fix vulnerable index deserialization by @lowener in #2068
• Fix symbol export kmeans by @aamijar in #2070
• Fix argmin/argmax based on the distance type by @achirkin in #2016
• Remove unneeded request for CUDA device link phase by @robertmaynard in #2077
• Update Faiss and DiskANN Patch to Use C++20 by @tarang-jain in #1796
• Fix brute force Rust index dataset lifetime by @yan-zaretskiy in #2083
• Fix segfault cuvs bench by @aamijar in #2088
• Fix cagra::optimize modifying the state of raft::resources by @achirkin in #2103
• Add direct target dependency when embedding fatbins by @KyleFromNVIDIA in #2106
• Fix check for PQ vectorized load by @lowener in #2107
• Fix workspace usage by @mfoerste4 in #2135
• Add missing visibility controls in IVF SQ by @divyegala in #2141

📖 Documentation

• Elaborate on fragment architecture in JIT+LTO documentation by @KyleFromNVIDIA in #1991
• Add Cluster and Distance sections to C documentation by @lowener in #1955
• Adding CAGRA merge to the documentation by @viclafargue in #1942
• [Doc Update] CAGRA Memory Footprint by @singhmanas1 in #1300
• Align docs with pluggable benchmark API by @jnke2016 in #1891
• Add docs for cagra mem usage with NN Descent build algo by @jinsolp in #2000
• Fix minor typos in cuvs-bench source build docs by @jrbourbeau in #2006
• Fix cuvs-bench docker images in docs by @jrbourbeau in #2003
• Update JIT+LTO guide to reflect new automatic embedding system by @KyleFromNVIDIA in #2045
• [Docs] Convert Sphinx docs to Fern by @cjnolet in #2067
• Add UDF Usage and Developer docs by @divyegala in #2030
• [DOC] Adding API guides for core cuVS types by @cjnolet in #2117

🚀 New Features

• [REVIEW] Add L1 support to NN-Descent by @yan-zaretskiy in #1898
• PCA C and Python API by @aamijar in #1987
• Introduce UDF Architecture by @divyegala in #1804
• JIT LTO Cagra Search by @divyegala in #1807
• Expose supported brute force metrics in all_neighbors by @jinsolp in #1827
• [REVIEW] Generalize and improve cagra::optimize by @mfoerste4 in #1830
• IVF-SQ C++ API by @viclafargue in #1865

🛠️ Improvements

• Use PQ API in CAGRA-Q + SCANN by @lowener in #1746
• Speed up recall calculation in cuVS Bench for large top-K by @jamxia155 in #1816
• Update codespell Version in pre-commit-config by @tarang-jain in #1920
• Forward-merge release/26.04 into main by @gforsyth in #1936
• Refactor StaticFatbinFragmentEntry to use tags by @KyleFromNVIDIA in #1970
• Replace cudaMemcpy2DAsync Calls with raft::copy_matrix by @tarang-jain in #1976
• update pip devcontainers' base image tags by @trxcllnt in #1985
• Refactor instantiation matrices to generate at build time by @KyleFromNVIDIA in #1984
• Add option to enable "sve" optimization level on armv9 by @LizYou in #1121
• Improve cuvs-bench doc and add executable dir option by @tfeher in #681
• Enforce type safety in JIT+LTO launcher by @KyleFromNVIDIA in #1997
• Add KDE kernel by @Intron7 in #1915
• Coderabbit integration by @benfred in #1908
• Refactor fatbin registration to use common input file by @KyleFromNVIDIA in #2008
• Update to clang 20.1.8 by @bdice in #2009
• JIT+LTO IVF-PQ compute similarity by @KyleFromNVIDIA in #1957
• Refactor JIT+LTO kernels by @KyleFromNVIDIA in #2021
• feat(rust): add serialize/deserialize support for CAGRA index by @zbennett10 in #1840
• Use new compute-matrix workflow by @KyleFromNVIDIA in #2034
• Reuse minClusterAndDistance Helper for Balanced KMeans by @tarang-jain in #2001
• feat(rust): add search_with_filter to CAGRA Index by @jamie8johnson in #2019
• [REVIEW] Drop extra copy in get_last_error_text by @jakirkham in #2044
• FIX: disable warpspeed scan by @mfoerste4 in #2062
• Use token.rapids.nvidia.com when issuing S3 bucket creds in devcontainers by @trxcllnt in #2047
• Remove NO_CUDART_DEP property by @KyleFromNVIDIA in #2065
• Switch the remaining C++17 components to C++20 by @achirkin in #2063
• fix(ci): resolve all zizmor findings and add zizmor pre-commit checks by @gforsyth in #2053
• fix(ci): declare explicit secrets in publish-rust.yaml by @gforsyth in #2069
• [REVIEW] Rewrite cuvs-sys build to discover pre-installed cuVS via cmake-package by @yan-zaretskiy in #2022
• Fix symbol export by @vyasr in #2052
• fix(ci): add explicit actions: write permission for telemetry-summarize
  by @gforsyth in #2075
• [REVIEW] Improve 1-NN performance with split GEMM/reduction kernels on Blackwell by @vinaydes in #1768
• Build and test with CUDA 13.2.0 by @bdice in #2072
• Centralize shared utilities across benchmark backends by @jnke2016 in #2040
• Persistent CAGRA: benchmark group and bad config warnings by @achirkin in #2091
• Multi-GPU Batched KMeans by @viclafargue in #2017
• IVF-SQ C API by @viclafargue in #1910
• skip CuPy 14.1.0 by @jameslamb in #2142

New Contributors

• @singhmanas1 made their first contribution in #1300
• @LizYou made their first contribution in #1121
• @jamie8johnson made their first contribution in #2019

Full Changelog: v26.06.00a...v26.06.00