- Removed NET BIND SERVICE from Docker image, disallowing privileged ports and introduced several breaking config changes (Promtail scrape label updates, GCS/Bigtable defaults removal, boltdb‑shipper schema requirement).
- Added query language enhancements (bytes‑rate, new comparison operators) and major query performance upgrades including sharding, parallel label/series handling, and 2‑10× faster metric queries.
- Introduced new Promtail features (Loki Push API, Replace and Drop pipeline stages), Logstash output plugin, LogCLI color coding and automatic batching, and an analyze‑labels flag for the series API.
v1.6.0
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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