Grafana Loki 3.6.20 → 3.7.2

3 releases · 3 breaking changes · 0 security fixes · 0 advisories fixed

0security3breaking0deprecated37feature5fix

Is 3.6.20 affected? · What changed up to 3.7.9

Breaking changes

breaking engine: Make scheduler aware of total compute capacity () in 3.7.0
breaking parsed labels should not override structured metadata () in 3.7.0
breaking engine: Share worker threads across all scheduler connections () in 3.7.0

Security changes

None in the release notes.

Every release in between

3.7.2 May 13, 2026 Release notes ↗

fixCVEs in release 3.7.x () (bb4c5d8)

fixdeps: update module github.com/aws/aws-sdk-go-v2/service/s3 to v1.97.3 [security] (release-3.7.x) () (7bc9450)

fixFix ruler panic related to unset validation scheme (backport release-3.7.x) () (cf65729)

fixstorage: attach SHA-256 checksum on PutObject for Object Lock buckets () (7df13d9)

3.7.1 Mar 27, 2026 Release notes ↗

fixUpgrade Go and gRPC versions on 3.7.x () (2c8fff2)

3.7.0 Mar 26, 2026 Release notes ↗

breakingengine: Make scheduler aware of total compute capacity ()

breakingparsed labels should not override structured metadata ()

breakingengine: Share worker threads across all scheduler connections ()

featureability to send query context for limit enforcement () (1a66d2d)

featureadd downscalePermittedFunc to check downscale is permitted () (c0c27b3)

featureadd gauge to track in-flight bytes () (23ef8ec)

featureadd histogram loki_dataobj_consumer_flush_duration_seconds () (5a5e90e)

featureadd loki health command () (ef69cfd)

featureadd metric to track flush failures () (ed4f27e)

featureAdd new dataobj builder flush criteria () (498656b)

featureAdd partition state to consumption lag metric () (91d4eb6)

featureadd prepare downscale handler () (677b2ec)

featureadd processed records metric () (333da73)

featureadd race tolerance to query-tee () (014520a)

featureAdd resolved policy to blocked and enforced label error () (48d13d1)

featureadd segmentation keys and resolver () (c853f2c)

featureadd support for cancelation to copy and sort () (6a8b879)

featureAdd support for storing chunk deletion markers in object storage instead of local disk () (856c11d)

featureadd support for UpdateRates RPC to distributors () (9018886)

featureAdd UpdateRates RPC, update rates from the frontend, return no-op in the service () (e173cf4)

featurecanary: Support passing arbitrary set of labels to use for the query () (993b3ae)

featurecheck partition state in parallel () (b8536aa)

featureClient side index gateway shuffle sharding () (326c7d1)

featuredataobj-consumer add processed bytes metric () (fba0c5d)

featuredecouple dataobj consumers from the reader service () (c3e909d)

featuredisambiguate metadata for better scans () (66fd9d8)

featuredon't tee unsampled queries () (b975e48)

featureenable racing in the querytee () (23948c4)

featureEnable support for max, min, max_over_time, min_over_time for new engine () (b9a51f0)

featureengine: add regexp parser support for log queries () (5663f9c)

featureengine: delegate metastore queries to engine () (3a74fe7)

featureengine: implement strict and keepEmpty logfmt parsing () (01cab53)

featuregoldfish: add endpoints for serving stored results () (e17ae2d)

featuregoldfish: mv comparison_status to db, add stats endpoint () (c22e05c)

featureHandle state change lock in prepare downscale () (de092da)

featurehelm: nameOverride now passed through helm tpl function. () (7f56fd2)

featurehelm: Add ability to toggle grpclb port for query frontend service () (9c4f022)

featurehelm: Add startupProbe to distributor () (5b76589)

featurehelm: allow configuration of service trafficDistribution parameter () (55f95e3)

featurehelm: allow set topologySpreadConstraints on singleBinary () (265601f)

+226 more items in the release notes