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StepFunctionCounter.count() has a race condition

feedback-provided

waiting for feedbackWe need additional information before we can continueWe need additional information before we can continue

Status: Open.

#7417 In micrometer-metrics/micrometer;

· keith-turner opened on Apr 20, 2026

MeterRegistry closes HighCardinalityTagsDetector outside closed conditional check

bugA general bugA general bug

module: micrometer-coreAn issue that is related to our core moduleAn issue that is related to our core module

Status: Open.

Bug

#7409 In micrometer-metrics/micrometer;

· edwardsre opened on Apr 17, 2026

·  

1.15.12

NettyEventExecutorMetrics - EventLoopLag

waiting for feedbackWe need additional information before we can continueWe need additional information before we can continue

Status: Open.

#7371 In micrometer-metrics/micrometer;

· mateusz-nalepa opened on Apr 2, 2026

Track the maximum number of active connections in a given time window

enhancementA general enhancementA general enhancement

Status: Open.

Feature

#7368 In micrometer-metrics/micrometer;

· robmoore-i opened on Apr 1, 2026

Document best practice about configuring registries on a composite

doc-updateA documentation updateA documentation update

type: taskA general taskA general task

Status: Open.

Task

#7367 In micrometer-metrics/micrometer;

· shakuzen opened on Apr 1, 2026

·  

1.15.x

Change process.uptime to FunctionCounter in UptimeMetrics

Status: Open.

#7346 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 26, 2026

Consider switching spin locks to ReentrantLock

module: micrometer-coreAn issue that is related to our core moduleAn issue that is related to our core module

performanceIssues related to general performanceIssues related to general performance

type: taskA general taskA general task

Status: Open.

Task

#7345 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 26, 2026

·  

1.18.x

Bump Kotlin target from 1.8 to 2.0

breaking-change

enhancementA general enhancementA general enhancement

kotlin

Status: Open.

#7338 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 25, 2026

·  

1.18.x

GraalVM native image tests and documentation

theme: native-imageIssues related to GraalVM native or Project LeydenIssues related to GraalVM native or Project Leyden

type: taskA general taskA general task

Status: Open.

Task

#7326 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 23, 2026

·  

1.15.x

Make inclusion of LongTaskTimer by DefaultMeterObservationHandler opt-in instead of opt-out

breaking-change

enhancementA general enhancementA general enhancement

module: micrometer-coreAn issue that is related to our core moduleAn issue that is related to our core module

Status: Open.

Feature

#7312 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 19, 2026

·  

1.18.x

Add deprecation concept to meters

enhancementA general enhancementA general enhancement

module: micrometer-coreAn issue that is related to our core moduleAn issue that is related to our core module

needs: design workProgress is blocked by a need for higher level design workProgress is blocked by a need for higher level design work

Status: Open.

Feature

#7311 In micrometer-metrics/micrometer;

· shakuzen opened on Mar 19, 2026

·  

1.18.x

Add a namespaced tag (executor.name) to ExecutorServiceMetrics to avoid collisions with generic name tag

Status: Open.

#7310 In micrometer-metrics/micrometer;

· evg-tso opened on Mar 18, 2026