### Added

- The `go.opentelemetry.io/otel/semconv/v1.33.0` package.
The package contains semantic conventions from the `v1.33.0` version of
the OpenTelemetry Semantic Conventions.
See the [migration documentation](./semconv/v1.33.0/MIGRATION.md) for
information on how to upgrade from
`go.opentelemetry.io/otel/semconv/v1.32.0.`(#6799)
- The `go.opentelemetry.io/otel/semconv/v1.34.0` package.
The package contains semantic conventions from the `v1.34.0` version of
the OpenTelemetry Semantic Conventions. (#6812)
- Add metric's schema URL as `otel_scope_schema_url` label in
`go.opentelemetry.io/otel/exporters/prometheus`. (#5947)
- Add metric's scope attributes as `otel_scope_[attribute]` labels in
`go.opentelemetry.io/otel/exporters/prometheus`. (#5947)
- Add `EventName` to `EnabledParameters` in
`go.opentelemetry.io/otel/log`. (#6825)
- Add `EventName` to `EnabledParameters` in
`go.opentelemetry.io/otel/sdk/log`. (#6825)
- Changed handling of `go.opentelemetry.io/otel/exporters/prometheus`
metric renaming to add unit suffixes when it doesn't match one of the
pre-defined values in the unit suffix map. (#6839)

### Changed

- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/bridge/opentracing`. (#6827)
- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/exporters/zipkin`. (#6829)
- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/metric`. (#6832)
- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/sdk/resource`. (#6834)
- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/sdk/trace`. (#6835)
- The semantic conventions have been upgraded from `v1.26.0` to
`v1.34.0` in `go.opentelemetry.io/otel/trace`. (#6836)
- `Record.Resource` now returns `*resource.Resource` instead of
`resource.Resource` in `go.opentelemetry.io/otel/sdk/log`. (#6864)
- Retry now shows error cause for context timeout in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`,
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`,
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`,
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`,
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`,
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#6898)

### Fixed

- Stop stripping trailing slashes from configured endpoint URL in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`.
(#6710)
- Stop stripping trailing slashes from configured endpoint URL in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`.
(#6710)
- Stop stripping trailing slashes from configured endpoint URL in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
(#6710)
- Stop stripping trailing slashes from configured endpoint URL in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
(#6710)
- Validate exponential histogram scale range for Prometheus
compatibility in `go.opentelemetry.io/otel/exporters/prometheus`.
(#6822)
- Context cancellation during metric pipeline produce does not corrupt
data in `go.opentelemetry.io/otel/sdk/metric`. (#6914)

### Removed

- `go.opentelemetry.io/otel/exporters/prometheus` no longer exports
`otel_scope_info` metric. (#6770)