Version 1.20 release notes

Version 1.20.4 release notes

Security fixes

• Bump protocol-buffers-schema to 3.6.1 (security) (#5059)
• Bump protobufjs to 7.5.5 (security) (#5062)

Version 1.20.3 release notes

Improvements

• Update Go toolchain to 1.25.9 (#5015)

Version 1.20.2 release notes

Security fixes

• Update github.com/go-jose/go-jose/v4 to v4.1.4 (security) (#4984)

Version 1.20.1 release notes

Security fixes

• Update dependency vite to v8.0.5 (security) (#4994)

Version 1.20.0 release notes

The Pyroscope team is excited to present Grafana Pyroscope 1.20.0.

This release contains enhancements, fixes, improves stability & performance, and ships new v1 → v2 migration documentation.

Notable changes are listed below. For more details, check out the 1.20.0 changelog.

Enhancements

• Add flags to disable v1 components in single-binary v2 mode (#4934)
• Implement SelectMergeTree via the model.Tree (#4790)
• Switch tracing instrumentation to OpenTelemetry (#4855)
• Add trace ID field to profile storage schema (#4884)
• Add tenant ID config for self-profiling (#4880)
• Enable native histograms across all classic-only histogram metrics (#4961)
• Log query weight on the read path (#4964)
• Log decompressed size of JFR, OTLP (and other non-pprof) profiles (#4968)
• Frontend: support auto for --enable-query-backend-from flag (#4926)
• Metastore: add log store write timeout to prevent stuck raft leader (#4892)
• profilecli: Add exemplar query and profile-id drill-down (#4939)
• profilecli: Add span exemplar query command (#4953)
• profilecli: Rename exemplars individual to exemplars profile (#4954)
• Helm: Support global.imageRegistry (#4866)
• JFR: Switch to klauspost/compress for gzip decompression (#4958)
• Bump jfr-parser to v0.16.0 (#4960)
• Update OTLP version (#4952)
• Update parquet-go to v0.26.4 (#4925)
• Embedded UI v2 refactor (#4948)
• Prune infiniteStrategy from distributor (#4913)
• Exercise exemplars on the canary exporter (#4959)

Fixes

• OTLP: Extend v1.AnyValue possible types in stringValueFromAnyValue (#4988)
• OTLP: Handle slice-typed sample attributes from pprof OTLP profiles (#4966)
• Symbolizer: Skip locations with MappingId 0 instead of erroring (#4985)
• symdb: Bounds-check mapping and function IDs in SymbolMerger (#4967)
• Fix BinaryJoinIterator unalignment bug (#4950)
• Metastore: Implement MonotonicLogStore on timeoutLogStore (#4935)
• Querier: Surface previously dropped errors (#4914)
• profilecli: Remove duplicate --collect-diagnostics flag (#4911)
• debug-info: Use LimitReader (#4898)
• lidia: Tolerate elf.ErrNoSymbols when both symbol tables are missing (#4895)
• Helm: Filter pyroscope.components by storage flags in microservices mode (#4946)
• Fix CVE vulnerabilities in go.mod files (#4970)
• Update google.golang.org/grpc to v1.79.3 (security) (#4921)
• Update github.com/buger/jsonparser to v1.1.2 (security) (#4962)

Documentation

• Add v1 → v2 migration guide (#4927)
• v2 architecture and components docs (#4912)
• Update .NET documentation (#4949)
• Move otel-collector eBPF example and update docs (#4969)
• Add V2 run instructions to AGENTS.md (#4899)
• Update list of contributors in README (#4963)