v25.08.00

🚨 Breaking Changes

• [Java] Using functions for mapping (#1007) @ldematte
• Remove CUDA 11 from dependencies.yaml (#962) @KyleFromNVIDIA
• Common knn graph build params (#949) @jinsolp
• stop uploading packages to downloads.rapids.ai (#940) @jameslamb

🐛 Bug Fixes

• [BUG] Fix Large Batch Preprocessing for NN Descent (#1166) @tarang-jain
• Fix TieredIndexIT, Scoped resource access change was missed (#1156) @punAhuja
• Fix for hellinger metric (#1128) @viclafargue
• Fix go CI failures (#1114) @benfred
• Conditionally post process distances in NN Descent for use with distance epilogue (#1108) @jinsolp
• [BUG] Disable flaky cpp test AnnIVFFlatTestF_half.AnnIVFFlat/21 (#1092) @julianmi
• [BUG] Fix device access check in build_sorted_mst (#1083) @tarang-jain
• Pin Faiss Version to Last Stable Release (#1029) @tarang-jain
• Fix verify-copyright precommit hook (#1017) @benfred
• Adding GH_TOKEN pass-through to summarize job (#1011) @msarahan
• Reuse <version_config.h> instead of separate version constants in c_api.h (#1003) @mythrocks
• IVF-PQ coarse search: fix integer overflow and avoid excessive batch sizes (#999) @achirkin
• Fix C compile error in tiered_index.h (#996) @mythrocks
• Fix for NN Descent negative or NaN distances (#994) @jinsolp
• Adding int64 search for MG CAGRA (#975) @viclafargue
• [ANN_BENCH] Fix OpenMP Sections in Wrappers (#911) @tarang-jain
• [BUG] cuvs-bench data_export fixes (#863) @tarang-jain

📖 Documentation

• [ANN_BENCH] [DOCS] Add Vamana / DiskANN to cuvs-bench Docs (#1164) @tarang-jain
• Add Golang build instructions to build.rst (#1116) @mythrocks
• Minor correction for Java test instructions (#1081) @mythrocks
• add docs on CI workflow inputs (#1075) @jameslamb
• [REVIEW][Java] Add instructions on how to run a single test (#1004) @ldematte

🚀 New Features

• Binary CAGRA with NN Descent (#1133) @tarang-jain
• CAGRA build heuristics for HNSW (#1125) @achirkin
• BitwiseHamming distance for NN Descent (#1101) @jinsolp
• ReachabilityPostProcess distance epilogue for NN Descent (#1073) @jinsolp
• Add brute force to all_neighbors API (#1062) @jinsolp
• [Java] Support for tiered index (#1028) @punAhuja
• Enable build_sorted_mst with data on host memory (#997) @jinsolp
• Add C-API method to fetch cuVS version from Java. (#935) @mythrocks
• Spectral Embedding (#871) @aamijar
• [FEA] Build Single Linkage API (#820) @tarang-jain

🛠️ Improvements

• Check shape is initialized in cuvsMatrixSliceRows (#1193) @benfred
• Add error checking for our C example code (#1171) @benfred
• Removing all references to CUDA 11 from codebase (#1150) @cjnolet
• [Java]Fixed TieredIndexParams creation/destruction, calling cuvsTieredIndexParamsCreate (#1147) @punAhuja
• Fix update-version (#1135) @AyodeAwe
• Reducing binary size in ivf_pq by deduplicating kernels (#1130) @jinsolp
• fix(docker): use versioned -latest tag for all rapidsai images (#1129) @gforsyth
• SCaNN Index build (#1120) @rmaschal
• [Java] Extend Dataset to work as an output data container (#1111) @ldematte
• [Java] Fix HNSW params allocation (#1110) @ldematte
• [Java] Fix CAGRA params allocation (#1109) @ldematte
• [Java] Fix POM (#1106) @ldematte
• Enforce java codeowners for managing contents of java/ (#1103) @cjnolet
• Reduce binary size of refine functions (#1095) @tfeher
• [Java] Introduce scoped resource access (#1089) @ldematte
• Expose graph and dataset accessors for CAGRA to C/Python (#1086) @benfred
• Add warning for unused GPU when n_clusters < n_ranks in batch all_neighbors (#1072) @jinsolp
• [Java] Tidy up MemorySegments lifecycle (#1069) @ldematte
• [Java] Refactor SearchResults implementation classes (#1067) @ldematte
• Use CUDA 12.9 in Conda, Devcontainers, Spark, GHA, etc. (#1063) @jakirkham
• Exporting changed graph_build_params namespace into all_neighbors (#1060) @jinsolp
• hnsw::from_cagra: avoid allocating the graph twice (#1057) @achirkin
• Improve memory efficiency for returning NN Descent distances (#1053) @jinsolp
• Deprecation notice for batching code specific to NN Descent (#1052) @jinsolp
• Remove nvidia and dask channels (#1050) @vyasr
• [Java] Enforce Java code format standard (#1049) @narangvivek10
• Make rust publish run after conda upload (#1047) @AyodeAwe
• refactor(cuda11): remove cuda11-only conda channels, cleanup docs (#1046) @gforsyth
• [Review][Java] Fix random segabort/segfault/double free problems (#1045) @ldematte
• [Java] Add Dataset based on MemorySegment (#1034) @ldematte
• [Java] Add Java API benchmarks (#1033) @ldematte
• fix(cli): Add validation for search-mode parameter (#1026) @mayani-nv
• [Java] Encapsulate on-heap float arrays into Dataset (#1024) @ldematte
• refactor(shellcheck): fix all remaining warnings/errors (#1019) @gforsyth
• Instantiate only specific RAFT linewise kernels (#1018) @aamijar
• Update nightly CI check to allow 30 days of failing nightly build. (#1008) @cjnolet
• [Java] Using functions for mapping (#1007) @ldematte
• [REVIEW][Java] Refactor CagraBuildAndSearchIT to explicitly express different execution modes (#1006) @ldematte
• [REVIEW][Java] Add jextract artifacts to gitignore (#1005) @ldematte
• Remove pytest pin (#998) @vyasr
• [java] Utility function for cudaMemcpy (#983) @mythrocks
• [java] Copy pom.xml to target/ on build (#981) @mythrocks
• Remove CUDA 11 from dependencies.yaml (#962) @KyleFromNVIDIA
• refactor(rattler): remove cuda11 options and general cleanup (#961) @gforsyth
• Remove CUDA 11 devcontainers and update CI scripts (#960) @bdice
• Common knn graph build params (#949) @jinsolp
• stop uploading packages to downloads.rapids.ai (#940) @jameslamb
• Instantiate only specific RAFT reduction kernels (#925) @divyegala
• [Java] Replace the C wrapper layer with the Panama API-based Java implementation (#916) @narangvivek10
• Forward-merge branch-25.06 into branch-25.08 (#909) @gforsyth
• Forward-merge branch-25.06 into branch-25.08 (#897) @gforsyth
• Serialize Vamana index with SSD sector alignment per MSFT DiskANN format, generate quantized dataset for integration with DiskANN (#846) @jamxia155
• Add mean and median threshold modes to binary quantization (#716) @enp1s0