open-telemetry/opentelemetry-rust

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The Rust OpenTelemetry implementation

Stars: 2.7k
Forks: 699
Open beginner issues: 1
Indexed issues: 218
Avg merge: 2d 20h
Merged PRs (30d): 60

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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218 open issues indexed

perf(sdk): two owning span processors benchmark shows 7.5% slowdown vs baseline Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

open-telemetry/opentelemetry-rust#3746 · 6 comments · Opened Sep 17, 2026
[Bug]: ContextGuard::drop panics when a stored context value calls Context::current() Open

bug priority:p3 triage:accepted

Difficulty 3/5 1-2 days Newbie friendliness 68/100

open-telemetry/opentelemetry-rust#3738 · 3 comments · Opened Sep 15, 2026
Pull Request Dashboard Open

dashboard

Difficulty 5/5 Over a week Newbie friendliness 15/100

open-telemetry/opentelemetry-rust#3735 · Opened Sep 14, 2026
PrecomputedSum in Delta temporality resets baseline on missed/rejected observations, double-counting values Open

enhancement S-blocked-spec

Difficulty 3/5 1-2 days Newbie friendliness 72/100

open-telemetry/opentelemetry-rust#3714 · 2 comments · Opened Sep 7, 2026
[Feature]: Allow configuring all 5 ParentBased sampler branches per the trace spec Open

A-trace enhancement M-sdk priority:p3 question triage:accepted

Difficulty 4/5 3-5 days Newbie friendliness 68/100

open-telemetry/opentelemetry-rust#3657 · 2 comments · Opened Aug 30, 2026
[Bug]: Explicit bucket histogram `sum` permanently corrupted by NaN/Infinity measurements Open

A-metrics bug M-sdk priority:p2 triage:accepted

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

open-telemetry/opentelemetry-rust#3656 · 3 comments · Opened Aug 30, 2026
[Feature]: Support exporting jemalloc profiles as otlp-profiling Open

enhancement question triage:todo

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3648 · 4 comments · Opened Aug 26, 2026
[Feature]: Generate and export proto file descriptors Open

enhancement priority:p3 triage:accepted

Difficulty 3/5 1-2 days Newbie friendliness 70/100

open-telemetry/opentelemetry-rust#3645 · 2 comments · 1 reaction · Opened Aug 25, 2026
[Bug]: A panicking observable metric callback permanently disables collection (mutex poisoning + PeriodicReader thread death) Open

enhancement triage:todo

Difficulty 5/5 Over a week Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3640 · 3 comments · Opened Aug 23, 2026
[Bug]: `schemaUrl` should not be required in MetricsData Open

question triage:needmoreinfo

Difficulty 3/5 1-2 days Newbie friendliness 58/100

open-telemetry/opentelemetry-rust#3638 · 1 comment · Opened Aug 19, 2026
[Logs API/SDK] Support owned event_name and severity_text values in SdkLogRecord Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3606 · 1 comment · Opened Jul 27, 2026
[Bug]: async-runtime PeriodicReader spawns its worker during SdkMeterProvider build, not PeriodicReader::build(), capturing the wrong tokio runtime (deadlock/panic) Open

bug M-sdk priority:p2

Difficulty 3/5 1-2 days Newbie friendliness 58/100

open-telemetry/opentelemetry-rust#3601 · 1 comment · Opened Jul 21, 2026
[Feature]: Exponential histograms in opentelemetry-prometheus Open

A-metrics enhancement M-exporter-prometheus priority:p3 triage:accepted

Difficulty 5/5 Over a week Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3591 · 2 comments · Opened Jul 8, 2026
Replacement for deprecated / moved gen_ai semantic conventions? Open

open-telemetry/opentelemetry-rust#3575 · 2 comments · 1 assignee · Opened Jul 1, 2026
BatchLogProcessor::emit: current_batch_size underflows (decrement before increment) -> 'attempt to add with overflow' panic / accounting corruption under load Open

A-log bug M-sdk triage:accepted

Difficulty 4/5 3-5 days Newbie friendliness 55/100

open-telemetry/opentelemetry-rust#3573 · 1 comment · Opened Jun 29, 2026
Proposal: Move opentelemetry-semantic-conventions to opentelemetry-rust-contrib Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

open-telemetry/opentelemetry-rust#3563 · 1 comment · 1 reaction · Opened Jun 23, 2026
feat: plan & implement miri support Open

A-common priority:p3

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-telemetry/opentelemetry-rust#3554 · Opened Jun 11, 2026
ci: weaver live-check gate for SDK self-observability events Open

enhancement github_actions integration tests M-sdk

open-telemetry/opentelemetry-rust#3553 · 1 assignee · Opened Jun 11, 2026
chore(metrics): follow up PR #3514 discussion Open

open-telemetry/opentelemetry-rust#3551 · 2 comments · 1 assignee · Opened Jun 10, 2026
[API] Allocation-free hex encoding for TraceId / SpanId Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

open-telemetry/opentelemetry-rust#3544 · 2 comments · 1 reaction · Opened Jun 8, 2026
[Bug]: Appender-tracing creates log records with the wrong metadata under `experimental_span_attributes` feature Open

A-log bug priority:p3 triage:accepted

Difficulty 3/5 1-2 days Newbie friendliness 55/100

open-telemetry/opentelemetry-rust#3543 · 3 comments · Opened Jun 8, 2026
Graduate experimental-grpc-retry and experimental-http-retry feature flags to stable Open

open-telemetry/opentelemetry-rust#3526 · 3 comments · 1 assignee · Opened May 28, 2026
[Metrics] Opt-in to disable cardinality limit on a metric stream Open

A-metrics enhancement triage:accepted

open-telemetry/opentelemetry-rust#3507 · 1 comment · 1 assignee · Opened May 8, 2026
appender-tracing: configurable collision policy for span-attribute enrichment Open

triage:todo

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3498 · 1 comment · Opened May 7, 2026
Logs SDK: deduplicate LogRecord attribute keys Open

A-log priority:p2 triage:accepted

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3497 · 3 comments · Opened May 7, 2026
Prometheus exporter spec compliance Open

M-exporter-prometheus triage:accepted

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3474 · 1 comment · 1 reaction · Opened Apr 29, 2026
Race condition between measure() and collect_and_reset() can produce spurious zero data point for delta Gauge Open

open-telemetry/opentelemetry-rust#3470 · 1 comment · 1 assignee · Opened Apr 25, 2026
Add public constructors for metric data types Open

A-metrics triage:todo

Difficulty 5/5 Over a week Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3469 · 2 comments · 2 reactions · Opened Apr 24, 2026
Follow up: Track remaining OTLP metrics JSON serde issues for NaN and integer-valued floats Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

open-telemetry/opentelemetry-rust#3442 · 1 comment · Opened Mar 31, 2026
[Feature]: Support dynamic LogRecord targets via `otel.name` / `otel.target` fields in opentelemetry-appender-tracing Open

enhancement triage:todo

Difficulty 3/5 1-2 days Newbie friendliness 65/100

open-telemetry/opentelemetry-rust#3440 · 1 comment · 2 reactions · Opened Mar 31, 2026
[Bug]: BatchSpanProcessor panics when `experimental-grpc-retry` feature is enabled Open

bug M-exporter-otlp priority:p2 triage:accepted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

open-telemetry/opentelemetry-rust#3432 · 5 comments · Opened Mar 23, 2026
[Bug]: No programmatic API to set a base endpoint with automatic signal path appending for HTTP exporters Open

documentation/examples priority:p3 triage:accepted

Difficulty 4/5 3-5 days Newbie friendliness 58/100

open-telemetry/opentelemetry-rust#3427 · 1 comment · 1 reaction · Opened Mar 18, 2026
[Feature]: Decouple `prost` from OTLP/JSON Open

enhancement M-exporter-otlp priority:p2 triage:accepted

Difficulty 5/5 Over a week Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3419 · 8 comments · Opened Mar 13, 2026
Missing copyright notice needed for Apache 2.0 license Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

open-telemetry/opentelemetry-rust#3411 · 2 comments · 2 reactions · Opened Mar 10, 2026
OTel Baggage entries lack consistent ordering Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-telemetry/opentelemetry-rust#3406 · 1 comment · Opened Mar 5, 2026
Implement exemplar collection for metrics (required for stable) Open

triage:accepted

open-telemetry/opentelemetry-rust#3369 · 12 comments · 2 reactions · 1 assignee · Opened Feb 20, 2026
[Feature]: `Tracer::start_active` to both start a Span and mark it active Open

enhancement triage:todo

Difficulty 4/5 3-5 days Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3362 · 5 comments · Opened Feb 20, 2026
[Bug]: timestamps encoded as `u64` are not accepted (JSON) Open

bug triage:accepted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3328 · 1 reaction · Opened Jan 26, 2026
[Feature]: Deprecate FutureExt trait for having a far too general blanket implementation Open

enhancement priority:p3 triage:accepted

Difficulty 5/5 Over a week Newbie friendliness 38/100

open-telemetry/opentelemetry-rust#3291 · 1 comment · 2 reactions · Opened Dec 27, 2025
[Feature]: Support the environment variable propagation spec in Rust Open

enhancement priority:p3 S-blocked-spec triage:accepted

Difficulty 4/5 3-5 days Newbie friendliness 38/100

open-telemetry/opentelemetry-rust#3285 · 8 comments · 6 reactions · Opened Dec 16, 2025
[Feature]: Support the new W3C random flag. Open

enhancement priority:p3 triage:accepted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-telemetry/opentelemetry-rust#3270 · 3 comments · Opened Dec 1, 2025
Improving Starting Page Open

bug triage:accepted

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

open-telemetry/opentelemetry-rust#3254 · 3 comments · 2 reactions · Opened Nov 22, 2025
Improve CI to enforce sanity checks Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-telemetry/opentelemetry-rust#3249 · Opened Nov 17, 2025
Library crates should propagate errors instead of silently logging them Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

open-telemetry/opentelemetry-rust#3210 · 7 comments · 6 reactions · Opened Oct 24, 2025
[Feature] New consistent samplers implementation Open

enhancement M-sdk

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3195 · 3 comments · Opened Oct 9, 2025
✨ Set up Copilot instructions Open

open-telemetry/opentelemetry-rust#3159 · 1 reaction · 1 assignee · Opened Sep 9, 2025
opentelemetry-otlp WASM support Open

platform:wasm

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3155 · 1 comment · 1 reaction · Opened Sep 8, 2025
[Feature]: decouple http dependency from OTEL http client Open

enhancement priority:p3

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-telemetry/opentelemetry-rust#3148 · 3 comments · 1 reaction · Opened Sep 4, 2025
[Feature]: support custom GRPC client Open

enhancement priority:p3

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-telemetry/opentelemetry-rust#3147 · 5 comments · 9 reactions · Opened Sep 4, 2025
[Feature]: Add export_unsampled option to BatchSpanProcessor (opt-in export of recording but unsampled spans) Open

enhancement S-blocked-spec

open-telemetry/opentelemetry-rust#3138 · 1 comment · 2 reactions · 1 assignee · Opened Aug 27, 2025

open-telemetry/opentelemetry-rust

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