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Idea: Hybrid series storage algorithm

enhancementNew feature or requestNew feature or request

Status: Open.

#15369 In grafana/mimir;

· dima-start-io opened on May 18, 2026

Bug: Cannot Set prepare-delayed-downscale-url via Helm

bugSomething isn't workingSomething isn't working

helm

Status: Open.

#15323 In grafana/mimir;

· ardichoke opened on May 13, 2026

Bug: ingester logs UNKNOWN_TOPIC_ID errors with 3.1.0-rc.0 or weeklies

bugSomething isn't workingSomething isn't working

help wantedExtra attention is neededExtra attention is needed

ingest-storageKafka based ingest storage architectureKafka based ingest storage architecture

Status: Open.

#15319 In grafana/mimir;

· antonincms opened on May 13, 2026

Bug: Ingress Migration Replica Handling is Broken

bugSomething isn't workingSomething isn't working

helm

Status: Open.

#15297 In grafana/mimir;

· ardichoke opened on May 11, 2026

Bug: Store-gateways never cancel initial bucket syncs on ring changes

Status: Open.

#15272 In grafana/mimir;

· alexweav opened on May 7, 2026

jsonnet: Increase default query-frontend memory requests/limits

component/query-frontend

jsonnet

Status: Open.

#15266 In grafana/mimir;

· 56quarters opened on May 7, 2026

Delta Metrics: Ensure MQE supports ST-per-sample

Status: Open.

#15243 In grafana/mimir;

· ywwg opened on May 5, 2026

MQE: Bug: info() vector selector modifiers not propagated to data label matchers

bugSomething isn't workingSomething isn't working

mqeMimir Query Engine streaming PromQL engineMimir Query Engine streaming PromQL engine

Status: Open.

#15228 In grafana/mimir;

· 56quarters opened on May 4, 2026

Idea: Ref-leaks instrumented pages pool

enhancementNew feature or requestNew feature or request

Status: Open.

#15224 In grafana/mimir;

· tcard opened on May 4, 2026

Idea (docs): Add Juju-based deployment as an installation option for Mimir

type/docsImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#15202 In grafana/mimir;

· sinapah opened on May 1, 2026

Support Azure Event Hub as a Kafka-compatible backend for ingest storage

enhancementNew feature or requestNew feature or request

help wantedExtra attention is neededExtra attention is needed

Status: Open.

#15188 In grafana/mimir;

· ctdfo opened on Apr 29, 2026

Helm: nginx gateway to support setting X-Scope-OrgID to remote_user

helm

Status: Open.

#15175 In grafana/mimir;

· jkleinlercher opened on Apr 28, 2026