v4.20.6 2.5.5

low risk

apple/containerSep 16, 2026 → Sep 16, 20260 days between releases

What's New

v4.20.6 fixed Cypher counting and index stability; 2.5.5 fixed a TCP monitor memory leak

Improvements

  • Improves batch resume safety and reduces write stalls during index population

Bug Fixes

  • Fixes `count(*)` under-counting parallel edges in Cypher queries
  • Resolves index population hanging or skipping rows on unsynced delta matrices
  • Fixes memory leak from tcp monitor

Upgrade Notes

The provided notes describe different products (FalkorDB v4 vs v2). No upgrade guidance is available in the text.

The Two Releases

v4.20.6

v4.20.6

Sep 16, 2026· 1 month ago

Addresses critical bugs in Cypher query counting and index population stability involving delta matrices and parallel edge handling.

Full release notes
2.5.5

2.5.5

Sep 16, 2026· 1 month ago

Minimal release notes: "### 🐞 Bug Fixes - #7848 fix: Memory leak from tcp monitor"

Full release notes