There is an OTEP proposing to removing LabelSet in favor of a simple key-value list / dict: https://github.com/open-telemetry/oteps/pull/90. Other languages already are doing this https://github.com/open-telemetry/opentelemetry-java/pull/1023, https://github.com/open-telemetry/opentelemetry-go/issues/539.
There is an OTEP proposing to removing LabelSet in favor of a simple key-value list / dict: open-telemetry/oteps#90.
Other languages already are doing this open-telemetry/opentelemetry-java#1023, open-telemetry/opentelemetry-go#539.