- - Added query statistics instrumentation to the Loki API and new Promtail capabilities (dry‑run, stdin pipe, debug pipeline, per‑stream line count metrics).
- - Extended LogQL with literal expressions and binary operators; introduced ingester.max_chunk_age and query‑ingesters‑within configs for better memory management.
- - Updated Docker image tags (removed the “v” prefix) and added automatic pruning of old images; improved handling of 429/500 responses with retries and exception throwing.
v1.4.0
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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