Overview

[!WARNING]
The net/http instrumentation support for versions < 1.19 has been dropped.

[!WARNING]
The database/sql instrumentation support for versions < 1.19 has been dropped.

[!NOTE]
This is the last release version that will support building the auto-instrumentation CLI using Go 1.22. The next release will require development to be done using Go >= 1.23.

Added

• Update instrumentation for net/http to support Go 1.24 SwissMap. (#1636)
• Cache offsets for Go 1.22.12. (#1743)
• Cache offsets for Go 1.23.6. (#1743)
• Cache offsets for golang.org/x/net 0.35.0. (#1783)
• Cache offsets for Go 1.24.0. (#1795, #1798)

Changed

• Unused support for instrumentation of Go < 1.19 has been dropped. (#1815)

What's Changed

• Fix DOCKERPY ownership by @MrAlias in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1718
• fix(deps): update google.golang.org/grpc/examples digest to 7e1c9b2 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1720
• chore(deps): update module github.com/spf13/pflag to v1.0.6 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1721
• fix(deps): update module go.opentelemetry.io/auto to v0.20.0 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1722
• Switch to using per header field parsing for Go versions >= 1.24 by @grcevski in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1636
• fix(deps): update google.golang.org/grpc/examples digest to 39f0e5a by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1724
• Add defensive checks for CGO stripped binaries by @grcevski in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1725
• chore(deps): update module github.com/skeema/knownhosts to v1.3.1 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1727
• fix(deps): update google.golang.org/grpc/examples digest to 7dbf12e by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1726
• Update how-it-works.md by @CharlieTLe in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1730
• chore(deps): update module github.com/polyfloyd/go-errorlint to v1.7.1 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1729
• fix(deps): update google.golang.org/grpc/examples digest to ee3e8d9 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1731
• fix(deps): update module go.opentelemetry.io/collector/pdata to v1.25.0 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1733
• fix(deps): update google.golang.org/grpc/examples digest to 947e2a4 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1734
• chore(deps): update golang:1.23 docker digest to e213430 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1735
• chore(deps): update golang:1.23.5 docker digest to e213430 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1736
• fix(deps): update golang.org/x by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1738
• chore(deps): update golang:1.23.5-bookworm docker digest to 9c79a16 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1737
• chore(deps): update googleapis to 7023788 by @renovate in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1740

New Contributors

• @CharlieTLe made their first contribution in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1730
• @Kielek made their first contribution in https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/1818

Full Changelog: https://github.com/open-telemetry/opentelemetry-go-instrumentation/compare/v0.20.0...v0.21.0