Issues

• HNSW: insertPage rewinds to unfittable deleted slots after VACUUM, causing near-full index scan per insert with variable-size types (sparsevec) — reproduction for #975

  pgvector/pgvector#1025 · Filter by author jitokim opened on Sep 10, 2026
  3

• Support RabitQ in pgvector

  pgvector/pgvector#1003 · Filter by author zthhhhh opened on Jul 28, 2026
  6

• Plans to adopt PostgreSQL 18 parallel I/O for index page reads?

  pgvector/pgvector#906 · Filter by author SunnyBo0302 opened on Oct 1, 2025
  4

• Unexpected use of Index Scan in ANN query without LIMIT or enable_indexscan

  pgvector/pgvector#846 · Filter by author developerayuva opened on May 26, 2025
  7

• Enhancement: multicolumn vector index design

  pgvector/pgvector#761 · Filter by author VladlenPopolitov opened on Jan 20, 2025
  15

• Enhancement: Increase 1,000 non-zero elements limit to 1,200 for sparsevec when creating HNSW index

  pgvector/pgvector#749 · Filter by author sungkim11 opened on Jan 4, 2025
  5

• Are either int8 or fp8 vectors planned?

  pgvector/pgvector#521 · Filter by author xfalcox opened on Apr 17, 2024
  23

• RFC: Setting search defaults as an index option

  pgvector/pgvector#235 · Filter by author jkatz opened on Aug 22, 2023
  8

• Ideas

  pgvector/pgvector#27 · Filter by author ankane opened on May 25, 2022