This release is the last to support Go 1.20. The next release will require at least Go 1.21.

Added

• Support Go 1.22. (#5082)
• Add support for Summary metrics to go.opentelemetry.io/contrib/bridges/prometheus. (#5089)
• Add support for Exponential (native) Histograms in go.opentelemetry.io/contrib/bridges/prometheus. (#5093)

Removed

• The deprecated RequestCount constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated RequestContentLength constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated ResponseContentLength constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)
• The deprecated ServerLatency constant in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp is removed. (#4894)

Fixed

• Retrieving the body bytes count in go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp does not cause a data race anymore. (#5080)

New Contributors

• @arvindbr8 made their first contribution in https://github.com/open-telemetry/opentelemetry-go-contrib/pull/4897
• @wushujames made their first contribution in https://github.com/open-telemetry/opentelemetry-go-contrib/pull/5135

Full Changelog: https://github.com/open-telemetry/opentelemetry-go-contrib/compare/v1.23.0...v1.24.0