Release Date: 27 August 2025

Release Note for Neo4j 5.26.12 (4 September 2025)

Cypher

  • Fixed a bug in pipelined runtime dynamic scheduling that could cause certain queries with multiple SelectOrSemiApply operators in the query plan to sometimes fail with error messages like: “Cannot put key 1234 before first key 1235”.
  • Fixed a bug where relationship indexes were not returned in the indexes column of SHOW TRANSACTIONS.

Server

  • Update netty to 4.1.124.Final to resolve CVE‑2025‑55163

Bundled Packages:

  • labs/apoc-5.26.12
  • lib/neo4j-browser-2025.08.14+0
  • products/bloom-plugin-5.x-2.25.0
  • products/neo4j-genai-plugin-5.26.12
  • products/neo4j-graph-data-science-2.13.6
  • products/neo4j-ops-manager-agent-1.13.0
  • product/fleetManagement-1.0.1
Please refer to the changelog for full details of the changes.

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