Neo4j
Database
Resolving…
Limited set of queries impacted by Cypher 25 issue
Resolved## **What Happened** Neo4j commenced the deployment of version 2026.01.1 to Aura free instances at 07:49 AM UTC on January 26, 2026. Following the detection of query failures during internal testing, the rollout was halted before it reached Aura higher tiers. The failures occurred on conditional queries \(e.g. WHEN …THEN …\) after the planner phase to behave differently in the case of aggregati...
Location:
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Started:
2026-01-26 19:26 UTC
(Jan 26, 2026)
Updated:
2026-07-02 04:22 UTC
(3h ago)
Resolved:
2026-01-27 15:58 UTC
(Jan 27, 2026)
2026-01-27 15:58 UTC
(Jan 27, 2026)
:
The fix has been fully deployed to all impacted instances. This incident is now resolved.
2026-01-27 14:51 UTC
(Jan 27, 2026)
:
We are continuing to monitor the situation at this time.
2026-01-27 11:10 UTC
(Jan 27, 2026)
:
The fix has rolled out to the affected components, we are now monitoring the situation at this time.