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Changes

⚠️ Breaks

  • C++ FFI field access method doesn't require a session (#10611) @robert3005
  • Pass an execution context to array value display (#10583) @robert3005
  • Take a session in vx_array_get_field and vx_array_invalid_count (#10589) @robert3005
  • duplicate ZstdBuffer's validity into a slot instead of using the legacy session (#10586) @robert3005
  • Take an execution context in CanonicalCudaExt::into_host (#10590) @robert3005
  • Blocked FoR: store a global reference scalar as metadata rather than child (#10222) @mhk197
  • Move Shared array out of vortex-array into vortex-layout (#10495) @robert3005

✨ Features

  • Convert FixedSizeList scalars to and from DuckDB ARRAY values (#10629) @robert3005
  • feat(aggregate): add ExtensionStoragePushdown to push an aggregate into an extension type's storage (#10566) @joseph-isaacs
  • Expose list membership with SQL null semantics in Java and Python (#10053) @robert3005
  • Duckdb 2.0 (#9141) @myrrc
  • feat(array): enable CaseWhen expression serialization (#10604) @blaginin
  • feat(sparse): push LIKE through Sparse arrays (#10538) @robert3005
  • feat(layout): zoned pruning, shares, and dictionary value reuse in physical plans (#10462) @joseph-isaacs
  • perf(python): release the GIL once per scan export (#10497) @robert3005
  • feat(python): open local files as memory maps (#10498) @robert3005
  • Optimize list_contains with prepared constant sets (#10052) @robert3005
  • feat: expose Spark scan schema and pushed predicates (#9956) @xiaoh1024
  • Blocked BitPacked: Add Compressor support via BitPackingScheme mode (#10245) @mhk197
  • Support Polars 2 (#10398) @robert3005
  • feat(layout): compile evals, row indices, and takes to pipelines (#10393) @joseph-isaacs
  • feat(layout): compile segment scans, filters, concatenations, and packs to pipelines (#10392) @joseph-isaacs
  • feat(layout): add push-based pipelines and the scan that runs them (#10391) @joseph-isaacs
  • Support filters with limit in ScanBuilder (#8766) @AdamGS
  • Add more scalar literal types to the Python and JNI bindings (#10079) @robert3005
  • feat(array): support fill null for UTF-8 and binary arrays (#10044) @1fanwang
  • feat(python): support row indices in VortexFile.to_arrow (#10373) @joseph-isaacs

🚀 Performance

  • Plan V2 random access from known row selections (#10625) @joseph-isaacs
  • perf(fastlanes): answer BitPacked compare and between from the bit width, between through the fused kernel (#10559) @mightsleep
  • perf(array): snapshot aggregate kernels in ExecutionCtx (#10561) @joseph-isaacs
  • Decode short RunEnd runs with fixed-size block writes (#10488) @joseph-isaacs
  • Size the list layout split grid by row count (#10531) @mhk197
  • Preserve contiguous index ranges in BitPacked take (#10520) @blaginin
  • perf(fsst): gather sparse takes from small arrays with large payloads (#10509) @blaginin
  • Deduplicate execute is_done check with done_canonical check (#10387) @robert3005
  • perf(datafusion): avoid Arrow session lookup for ordinary scalars (#10541) @joseph-isaacs
  • perf: make FieldSelection normalization linear (#10517) @joseph-isaacs
  • perf: read pass-through struct projections directly (#10515) @joseph-isaacs
  • perf: move decoded stats into arrays without stats (#10516) @joseph-isaacs
  • Optimise bitpacked filtering and take for valid runs (#10281) @robert3005
  • fix(datetime-parts): keep null rows null and order by parts (#10145) @robert3005
  • perf: exit compute_referenced_values_mask early once every value is referenced (#10423) @joseph-isaacs
  • Decode nullable RunEnd validity by clearing null streaks (#10487) @joseph-isaacs
  • Drop DuckDB file scan state outside the multi-file lock (#10486) @robert3005
  • perf(layout): skip chunks without selected rows (#10491) @robert3005
  • Bound DashMap shard counts for per-reader caches (#10485) @robert3005
  • Blocked BitPacked: fuse FoR decode over blocked children (#10251) @mhk197
  • perf(mask): read intersect_by_rank rank bits at an absolute offset (#10480) @mightsleep
  • avx2 branch for bool take kernel (#10385) @myrrc
  • perf: enable POPCNT in the BMI2, AVX2 and AVX-512 kernels (#10456) @mightsleep
  • feat(compressor): measure inputs and blocks by the bytes their rows reference (#10445) @joseph-isaacs
  • perf(mask): SVE2 BDEP and a branch-free portable deposit for intersect_by_rank (#10168) @mightsleep
  • feat(array): add precision option to uncompressed_size_in_bytes (#10439) @joseph-isaacs
  • perf(layout): lower zoned pruning predicates once (#10428) @robert3005
  • Optimize SearchSorted to reuse probes and avoid repeated context creation (#9904) @joseph-isaacs
  • Speed up scans with a roaring row selection (#10359) @joseph-isaacs
  • perf: batch fragmented CASE branch execution (#9820) @gatesn

🐛 Bug Fixes

37 changes * fix: consult segment cache before registering reads (#10535) @gatesn * Don't pass extension arrays through the compressor unchanged (#10424) @robert3005 * Validate MaskedArray with an explicit execution context (#10591) @robert3005 * fix: avoid fill_null crashes on lazy fill values (#10576) @mvanhorn * chore: fix intermittent failure in fused_decode_is_wrapping_add (#10544) @mightsleep * Fix constant decimal array overflow for decimals bigger than i128 (#10459) @robert3005 * fix: account for NaN in float stats exported to DuckDB and DataFusion (#10479) @jackylee-ch * fix(datetime-parts): keep constant nullability in comparison pushdown (#10512) @robert3005 * Use SQL null semantics for DuckDB IN and NOT IN pushdown (#10054) @robert3005 * fix(datafusion): infer singleton distinct counts from exact bounds (#10448) @joseph-isaacs * fix(python): translate Polars struct field access (#10194) @danking * Struct reader partitioning respects struct validity (#10449) @myrrc * Update rustls to 0.23.46 (#10492) @palaska * fix: omit zone-map stats that a nullable struct's nulls would corrupt (#10413) @joseph-isaacs * Fix DataFusion expression conversion and pushdown semantics (#9785) @AdamGS * fix(array): scale decimal-to-float scalar casts across the whole scale domain (#9883) @jackylee-ch * Only gather sparse takes from OnPair and FSST (#10421) @joseph-isaacs * fix(layout): stop dict writer looping on an oversized value (#10400) @[vortex-claude[bot]](https://github.com/apps/vortex-claude) * fix(file): validate metadata segments against the file size too (#9881) @jackylee-ch * fix(python): support Polars datetime literals and timezone expressions (#10183) @danking * fix: report a canonical NaN for a float sum, not the platform's default (#10122) @gerchowl * fix(python): translate Polars fill_null with expression fills (#10192) @danking * feat(expr): add timestamp timezone replacement (#10182) @danking * fix(python): cast scan indices to u64 in read_url and to_array (#10277) @jackylee-ch * fix(cloud): parse HF ALLOW_HTTP the way object_store does (#10278) @jackylee-ch * Fix nullability of bool take (#10411) @robert3005 * Expression optimisation rules don't introduce irreducible children (#9625) @robert3005 * fix(python): translate Polars boolean NOT expressions (#10190) @danking * fix(python): translate Polars is_null expressions (#10189) @danking * fix(python): translate Polars binary scalar literals (#10188) @danking * fix(python): translate Polars date literals (#10185) @danking * fix(python): support Polars is_not_null predicates (#10184) @danking * fix(python): support unsigned Polars scalar literals (#10170) @danking * fix(python): translate Polars is_between expressions (#10191) @danking * fix(python): translate Polars decimal literals (#10187) @danking * fix(python): translate Polars conditional expressions (#10193) @danking * Canonical dict execute handles edge cases in Decimal/Bool logic (#10098) @robert3005

🧰 Maintenance

34 changes * GetItem reduction rule produces new_constant instead of new_node(Literal) (#10606) @robert3005 * compress-bench: write and scan Parquet the way DataFusion does by default (#10571) @robert3005 * rust toolchain 1.99.1 (#10608) @blaginin * Validate RunEnd arrays without the legacy session (#10587) @robert3005 * Make Null take an execute kernel (#10585) @robert3005 * Lock file maintenance (#10598) @[renovate[bot]](https://github.com/apps/renovate) * Fix the manual_map lint in TrustedLenAdapter::next (#10597) @robert3005 * Use mimalloc with purging disabled in each e2e benchmark binary (#10490) @joseph-isaacs * Audit tests for duplication and coverage (#10458) @robert3005 * Reuse unpack helpers in BitPacked range take (#10565) @robert3005 * ci(compress-bench): give Parquet and Vortex the same parallel CPU budget (#10510) @joseph-isaacs * Write the list layout when the enabled editions include it (#10563) @mhk197 * Make the list layout opt-in and edition-gated (#10529) @mhk197 * Rewrite range pairs into between once per scan, and push down DataFusion dynamic filters (#10505) @robert3005 * bench: generate TPC-DS with tpcdsgen and share Parquet writer settings with TPC-H (#10511) @joseph-isaacs * ci(python): run Python benchmarks with CodSpeed (#10500) @robert3005 * Use mimalloc as the global allocator in every benchmark binary (#10483) @joseph-isaacs * Strengthen test assertions and remove fuzz reference checks (#10465) @robert3005 * Blocked `BitPacked`: add `fastlanes.bitpacked.v2` serialization (#10244) @mhk197 * [bench] sparse bitpacked filter and take (#9900) @robert3005 * Update lance benchmark dependencies (major) (#10436) @[renovate[bot]](https://github.com/apps/renovate) * Update gradle/actions digest to 3f5f9ad (#10434) @[renovate[bot]](https://github.com/apps/renovate) * Update CodSpeedHQ/action digest to f842b9a (#10432) @[renovate[bot]](https://github.com/apps/renovate) * Update dtolnay/rust-toolchain digest to 686976e (#10433) @[renovate[bot]](https://github.com/apps/renovate) * Lock file maintenance (#10438) @[renovate[bot]](https://github.com/apps/renovate) * Update taiki-e/install-action digest to 1168f68 (#10435) @[renovate[bot]](https://github.com/apps/renovate) * Update Rust crate zip to v9 (#10437) @[renovate[bot]](https://github.com/apps/renovate) * Update actions/upload-artifact digest to cf430e0 (#10431) @[renovate[bot]](https://github.com/apps/renovate) * Update actions/setup-node digest to 949feb2 - autoclosed (#10430) @[renovate[bot]](https://github.com/apps/renovate) * Update actions/download-artifact digest to 9000827 (#10429) @[renovate[bot]](https://github.com/apps/renovate) * Return owned results from the optimizer and log every parent rewrite (#10407) @robert3005 * Expose slots, dtype, len and is_empty on TypedArrayRef (#10406) @robert3005 * Don't require boxing ChunkedArray chunk iterators (#9918) @robert3005 * Cache aggregate results on the requested array, not its canonical form (#10380) @robert3005
Source: README.md, updated 2026-10-20