5 curated breaking changes across major versions of opentelemetry-proto. Use this as a migration checklist before bumping dependencies.
**Breaking** Remove `TextMapCompositePropagator` [#1373](https://github.com/open-telemetry/opentelemetry-rust/pull/1373). Use `TextMapCompositePropagator` in opentelemetry API.
[#1375](https://github.com/open-telemetry/opentelemetry-rust/pull/1375/) Fix metric collections during PeriodicReader shutdown
**Breaking** [#1480](https://github.com/open-telemetry/opentelemetry-rust/pull/1480) Remove fine grained `BatchConfig` configurations from `BatchLogProcessorBuilder` and `BatchSpanProcessorBuilder`. Use `BatchConfigBuilder` to construct a `BatchConfig` instance and pass it using `BatchLogProcessorBuilder::with_batch_config` or `BatchSpanProcessorBuilder::with_batch_config`.
**Breaking** [#1480](https://github.com/open-telemetry/opentelemetry-rust/pull/1480) Remove mutating functions from `BatchConfig`, use `BatchConfigBuilder` to construct a `BatchConfig` instance.
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curl https://depscope.dev/api/breaking/cargo/opentelemetry-proto**Breaking** [#1495](https://github.com/open-telemetry/opentelemetry-rust/pull/1495) Remove Batch LogRecord&Span Processor configuration via non-standard environment variables. Use the following table to migrate from the no longer supported non-standard environment variables to the standard ones. | No longer supported | Standard equivalent | |---------------------------------|---------------------------| | OTEL_BLRP_SCHEDULE_DELAY_MILLIS | OTEL_BLRP_SCHEDULE_DELAY | | OTEL_BLRP_EXPORT_TIMEOUT_MI