people · May 20, 2026
QuestDB 9.4.0 ships posting index and cross-column FILL features
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QuestDB announced version 9.4.0 on May 18 2026 via its official blog and GitHub release tag. The update provides a new posting index type for SYMBOL columns along with INCLUDE covering support that enables skipping main column files on qualified queries. QuestDB 9.4.0 further improves parallel keyed GROUP BY up to 4.6x on count queries, hash joins, and top-K operations while adding Parquet metadata sidecar files for pruning. QuestDB maintains offices in London and New York with active remote hiring for core database engineering roles.
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