- Breaking configuration changes: upgraded to Cortex v1.0.1 defaults, Docker image now runs non‑root, and validation/error‑message updates may require migration.
- Experimental object‑store index and query store enhancements: flush BoltDB to object store and configure query store max look‑back, enabling future clustered mode.
- Query language and observability upgrades: backtick‑quoted regex, binary operation aggregation, protobuf serialization improvement, new Promtail metrics, docker driver pipeline support, and GPG‑signed Helm chart.
v1.5.0
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Breaking: removed experimental LogQL variants() query support.
Fix bug in queryrange MergeLabels to preserve sketch
Preserve sketch data when merging labels in queryrange