Issues

• Fuzzing Crash: VortexError in array_ops

  bugfuzzer
  vortex-data/vortex#10626 · Filter by author github-actions opened on Oct 19, 2026
  1

• Dict fill_null can truncate indices of unreferenced dictionary values

  bug
  vortex-data/vortex#10623 · Filter by author connortsui20 opened on Oct 19, 2026

• Tracking Issue: New unified ZstdArray

  tracking-issue
  vortex-data/vortex#10618 · Filter by author robert3005 opened on Oct 19, 2026

• Make Chunked offsets caching lazy and prevent inconsistent offsets/cache state

  vortex-data/vortex#10610 · Filter by author jiengup opened on Oct 19, 2026
  1

• Tracking Issue: Elias-Fano Encoding

  tracking-issue
  vortex-data/vortex#10605 · Filter by author connortsui20 opened on Oct 19, 2026
  1

  

• Writer holds every uncompressed chunk of a constant string column until the file ends (ConstantArray scalar slices its chunk; BufferedStrategy counts nbytes)

  vortex-data/vortex#10599 · Filter by author riclib opened on Oct 19, 2026

• File sums can widen decimal precision twice when combining chunks

  vortex-data/vortex#10581 · Filter by author connortsui20 opened on Oct 17, 2026

• Singleton Sequence arrays report incorrect sortedness

  vortex-data/vortex#10579 · Filter by author connortsui20 opened on Oct 17, 2026

• Revisit Constant Sum for decimals

  feature
  vortex-data/vortex#10545 · Filter by author robert3005 opened on Oct 16, 2026

• Clarify CPU decompression benchmark parallelism and consider a matched-worker Parquet baseline

  vortex-data/vortex#10478 · Filter by author joshuajahn opened on Oct 14, 2026
  1

• Epic: Large cell workflow

  epic
  vortex-data/vortex#10461 · Filter by author joseph-isaacs opened on Oct 13, 2026

• Fuzzing Crash: VortexError in compress_roundtrip

  bugfuzzer
  vortex-data/vortex#10404 · Filter by author github-actions opened on Oct 9, 2026
  3

• Arrow string-view imports pin whole Parquet pages, so the writer never coalesces string columns

  bug
  vortex-data/vortex#10403 · Filter by author joseph-isaacs opened on Oct 8, 2026

• BitPacked compare and between are 3x to 7x slower on baseline x86-64 than CodSpeed shows

  bug
  vortex-data/vortex#10396 · Filter by author mightsleep opened on Oct 8, 2026
  1

• Add benchmarking for writing and compacting vortex files

  vortex-data/vortex#10386 · Filter by author joseph-isaacs opened on Oct 8, 2026

• Dispatch append_to_builder through append-parent kernels instead of hard-coding fast paths in Dict

  feature
  vortex-data/vortex#10382 · Filter by author joseph-isaacs opened on Oct 7, 2026

• Clarify error semantics for validity queries

  vortex-data/vortex#10313 · Filter by author connortsui20 opened on Oct 5, 2026
  1

• Tracking Issue: Stabilize PatchedArray

  tracking-issue
  vortex-data/vortex#10311 · Filter by author mhk197 opened on Oct 5, 2026

• duckdb: support struct extract column indices

  changelog/featureext/duckdbgood first issue
  vortex-data/vortex#10297 · Filter by author myrrc opened on Oct 5, 2026
  5

• DataFusion arithmetic is wrapping, but gets pushed into Vortex as checked

  vortex-data/vortex#10289 · Filter by author gatesn opened on Oct 4, 2026

• Bloom filter keys floats by raw bytes: -0.0 and +0.0 land in different buckets

  vortex-data/vortex#10276 · Filter by author jackylee-ch opened on Oct 3, 2026

• Affine integer encoding: per-chunk reference, common divisor (GCD) and fixed-point slope

  Feature

  vortex-data/vortex#10273 · Filter by author joseph-isaacs opened on Oct 3, 2026

• Implement partial aggregation pushdown support from DataFusion into vortex.

  ext/datafusionfeature
  vortex-data/vortex#10221 · Filter by author myrrc opened on Oct 2, 2026
  

• Tracking Issue: Retire the legacy statistics APIs

  tracking-issue
  vortex-data/vortex#10177 · Filter by author connortsui20 opened on Oct 1, 2026

• duckdb: struct_extract with equality filter reads the whole struct into memory

  ext/duckdb
  Bug

  vortex-data/vortex#10176 · Filter by author myrrc opened on Oct 1, 2026