Releases v2.20.0
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Backend Changes
⛔ Breaking Changes
Feat(es): promote es.* rotation and index-cleaner feature gates to beta (@ysh-bot in #9018 )
Feat(es): remove support for elasticsearch v6 (@yurishkuro in #8948 )
Feat(mcp): merge jaegermcp extension into jaegerquery extension (@Nabil-Salah in #8894 )
Feat(es): add configurable max_trace_duration and improve time-range design (@yurishkuro in #8840 )
✨ New Features
Feat(es): add --backend flag to esmapping-generator for opensearch selection (@ysh-bot in #8985 )
Feat(es): native trace summaries (summaryreader) (@Me-Priyank in #8812 )
🐞 Bug fixes, Minor Improvements
Feat(es): add synchronous bulk write primitive to the elasticsearch client (@ysh-bot in #8992 )
Feat(es): gate parentspanid reference-compat write behind a feature gate (@ysh-bot in #9015 )
Fix(ci): resolve published snapshot shas for oke demo deploy (@FlamingSaint in #8999 )
feat(jaegerai): add genai span attributes and gateway↔sidecar trace propagation (@SoumyaRaikwar in #8942 )
Chore(storage): remove expired stable feature gates (@Anujkumar9081 in #8970 )
Chore(es): scrub lingering olivere references from code comments (@ysh-bot in #8983 )
Feat(es): migrate template creation to esclient and retire legacy mapping rendering (@Me-Priyank in #8963 )
Fix(storage): reject mutually-exclusive es auth methods in validate() (@Anujkumar9081 in #8946 )
Make "spm not configured" error message more explicit (@Saithej2k in #8878 )
Feat(es): migrate span writes onto an owned bounded bulk indexer (@yurishkuro in #8944 )
Fix(auth): synchronize fallback token in tokenproviderwithtime closure (@yurishkuro in #8952 )
Feat(es): migrate service/operation reads onto owned searcher and query ast (@yurishkuro in #8943 )
[es] add bearer-token and api-key cli flags to es admin tools (rfc 0006 m3.5c) (@yurishkuro in #8939 )
[es] route admin plane through the shared auth stack (rfc 0006 m3.5b) (@yurishkuro in #8937 )
Fix(clickhouse): validate decoded trace/span id lengths to prevent panic on corrupted rows (@iammdzaidalam in #8935 )
Fix(es): apply custom_headers to all elasticsearch clients and honor host override (@iammdzaidalam in #8917 )
Fix(storage): populate req.getbody before sigv4 signing, not after (@truffle-dev in #8768 )
Fix(mcp): report total_count and truncated on get_services and get_span_names (@CedricConday in #8902 )
Fix(sampling): forfeit leader lock on graceful shutdown (@HESleagacy in #8825 )
Feat(tracestoremetrics): forward summaryreader when underlying reader supports it (@yurishkuro in #8895 )
Feat(hotrod): add standard otel db semconv attributes to hotrod spans (@yurishkuro in #8893 )
Fix(es): populate parentspanid field on write path (@yurishkuro in #8859 )
Fix(mcp): don't error on empty critical path (@Me-Priyank in #8806 )
Fix(jaegermcp): wait for server goroutine to exit on shutdown (@g-k-s-03 in #8852 )
Fix(mcp): validate span_id format before querying backend (@truffle-dev in #8845 )
Test(v1adapter): fix mock expectation validation in dependency reader tests (@kavyarathod05 in #8756 )
Fix(es): improve es/os integration test ci coverage and reduce noise (@yurishkuro in #8836 )
Fix(es): emit opensearch ism rollover_alias and consolidate backendversion (@yurishkuro in #8830 )
Feat(query): accept base64-encoded trace ids in http api endpoints (@yurishkuro in #8828 )
Refactor(es): introduce index rotation config schema with legacy flag deprecation (@yurishkuro in #8823 )
🚧 Experimental Features
Feat(ai-gateway): serve per-session ui tools over the session-scoped mcp endpoint (@Nabil-Salah in #8973 )
Feat(ai-gateway): add session-scoped mcp endpoint and session-stream registry (@Nabil-Salah in #8910 )
Feat(jaegermcp): add read_skill tool for agent skill discovery (@SoumyaRaikwar in #8849 )
Feat(es): add datastreamrotation strategy and data-stream-aware span write path (@Me-Priyank in #8833 )
👷 CI Improvements
Fix(build): build embedded ui with pnpm after jaeger-ui migration (@ysh-bot in #9044 )
Fix windows test cleanup failure: close output/error log file handles (@shayannab in #8884 )
[chore] close idle connections for http clients in integration tests (@Manik2708 in #8815 )
[chore]: add binary.stop() and binarypath for mid-test process control (@iammdzaidalam in #8822 )
Feat(es): add e2e integration tests for all rotation strategies (@yurishkuro in #8838 )
⚙️ Refactoring
Refactor(ai-gateway): apply rfc 0008 terminology — turn registry, route id, endpoint naming (@Nabil-Salah in #9017 )
Refactor(es): introduce batch writespans api in v2 elasticsearch trace writer (@ysh-bot in #8990 )
Feat(es): delete the olivere elasticsearch client stack (@ysh-bot in #8982 )
Test(es): retire the detailederror olivere-error enricher (@ysh-bot in #8981 )
Test(es): migrate the elasticsearch rotation e2e tests to the owned client (@ysh-bot in #8976 )
Refactor(es): make esclient.client a pointer handle (@ysh-bot in #8979 )
Test(es): migrate the direct elasticsearch integration tests to the owned client (@ysh-bot in #8975 )
Feat(es): close idle connections on the owned elasticsearch client (@ysh-bot in #8974 )
Feat(es): migrate the es metricstore onto the owned searcher and query ast (@ysh-bot in #8967 )
Feat(es): migrate the es span reader onto the owned searcher and query ast (@ysh-bot in #8958 )
Feat(es): migrate dependency store reads and writes onto owned esclient (@ysh-bot in #8957 )
Feat(es): migrate sampling store reads and writes onto owned esclient (@yurishkuro in #8954 )
Test(es): snapshot sampling store write requests via an injectable clock (@yurishkuro in #8955 )
Unify elasticsearch backend version detection at client construction (rfc 0006 m4) (@iammdzaidalam in #8938 )
Relocate the shared es roundtripper stack into the esclient package (@yurishkuro in #8936 )
Route the elasticsearch admin client through a shared elastic-transport-go pool (@yurishkuro in #8932 )
Rename the elasticsearch control-plane client package to esclient (@yurishkuro in #8930 )
Add es/os request-snapshot suite baseline and converge mapping fixtures (@yurishkuro in #8922 )
Refactor(es): thread context.context through the es rest client (@Me-Priyank in #8873 )
Refactor(es): rename index name constants, eliminate *indexbasename (@yurishkuro in #8870 )
Refactor(es): move index name constants to config package, drop prefix param from resolved*rotation (@yurishkuro in #8868 )
Refactor(es): extract client construction into clientbuilder package (@yurishkuro in #8842 )
Feat: export reusable jaegercli.newcommand for custom ocb distributions (@iammdzaidalam in #8835 )
Refactor(es): rename rotation implementation files to rotation_{name}.go (@yurishkuro in #8839 )
Chore(storage): remove fswatcher from elasticsearch factory (@iammdzaidalam in #8750 )
Refactor(es): migrate depstore and metricstore to use rotation interface (@yurishkuro in #8826 )
📖 Documentation
Rfc 0004: elasticsearch/opensearch data streams for span storage (@yurishkuro in #8804 )
📊 UI Changes
✨ New Features
🐞 Bug fixes, Minor Improvements
Fix(genai): fix span icon hover tooltip and refine type icons and labels (@swetalin-10 in #4239 )
Feat(timeline): emphasize span-type icons and soften tree chrome (@ysh-bot in #4238 )
Chore(genai-tab): prefix the token usage row with "tokens:" (@swetalin-10 in #4222 )
Fix(trace): show span pill labels as tooltips (@udita-0707 in #4220 )
Feat(trace): expand span pills to hardcoded attribute set (@udita-0707 in #4214 )
Fix(genai-tab): simplify and fix rendering of genai span icons (@swetalin-10 in #4221 )
Feat(search): show and track trace search latency (@ysh-bot in #4216 )
Refactor(otel): introduce iattributes collection replacing raw attribute arrays (@ysh-bot in #4211 )
Feat(trace): add http status summary chips (@udita-0707 in #4149 )
Feat(spanbarrow): add genai span type icons for llm, tool, agent, and retrieval spans (@swetalin-10 in #3857 )
Fix(stats): make heatmap theme-aware (@jkowall in #4200 )
Fix(listview): remove array-length pre-allocation that created holes (@dolliecoder in #4194 )
Feat(genai-tab): add genai span detail content (@swetalin-10 in #4191 )
Feat(utils): add genai span classification and isgenaitrace detection (@swetalin-10 in #3856 )
Feat(monitor): sync monitor filters to url on change (@udita-0707 in #4182 )
Fix(timeline): restore critical path hover animation in dark mode (@yurishkuro in #4180 )
Feat(search): add absolute/relative toggle for table start time (@yurishkuro in #4175 )
Feat(search): improve table view column sorting (@sksingh2005 in #3994 )
Fix(filter-spans): stringify object/array attribute values for span search (@bhuvan-somisetty in #4171 )
Fix: increase critical path bar contrast in dark mode (@bhavyamsharmaa in #4163 )
Fix(assistant): render tool-call parts in chat thread (@SoumyaRaikwar in #4164 )
Feat(monitor): support service/spankind/timeframe url params (@udita-0707 in #4119 )
Feat(trace): add decorative span type icons in tree view (@swetalin-10 in #3832 )
Fix(tracegraph): theme-aware edge and legend colors in dark mode (@bhavyamsharmaa in #4074 )
Fix(tracepage): handle root span navigation at index 0 (@dolliecoder in #4145 )
Fix: fix sidepanel resize when timeline is hidden (@sksingh2005 in #4046 )
Fix(bug): clear trace id input field on navigation/reload (#4135 ) (@shubhtrek in #4136 )
Refactor: standardize keyvaluepair typing across the ddg model (@shubhtrek in #4064 )
Default to table view for search results (@yurishkuro in #4133 )
Feat(flamegraph): resizable 50/50 table/chart split with scroll affordance (@yurishkuro in #4121 )
Fix: copyicon button jumps/enlarges on hover (animation/layout glitch) (@akshatsinghai6682-sketch in #4022 )
Fix(plexus): use currentcolor for ddg edge weight labels in dark mode (@shubhtrek in #4079 )
Fix(search): keep back-to-search across find and trace id clicks (@udita-0707 in #4080 )
Fix(monitor): replace hardcoded light-mode colors with design tokens in operations table (@udita-0707 in #4054 )
Fix(assistant): wrap fetch passed to httpagent (@yurishkuro in #4044 )
🚧 Experimental Features
Feat(genai): add genai tab shell to span detail panel (@swetalin-10 in #4122 )
Feat(tracepage): add genaitimelineviewer view type with auto-activation (@swetalin-10 in #3872 )
👷 CI Improvements
Chore(pnpm): migrate from npm to pnpm (@thisis-manan in #4137 )
Chore(ci): route build/lint/test/coverage steps through makefile entrypoints(part of migration to pnpm) (@aprv10 in #4139 )
⚙️ Refactoring
Refactor(search): remove dead trace redux slice and its search actions/api (@swetalin-10 in #3999 )
Refactor(timeline): extract critical path logic into helper module (@sonalyadav1 in #4060 )
Refactor(stats): extract computespanselftime to shared utility (@yurishkuro in #4113 )
Refactor(ddg): use functional component for graph (@sksingh2005 in #4100 )
Refactor:migrate virtualizedtraceview to functional component (@sksingh2005 in #4081 )
Refactor(tracegraph): migrate to functional component (@sksingh2005 in #4058 )
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