# Release History: opentelemetry-api ### v0.8.0 / 2020-10-27 * BREAKING CHANGE: Move context/span methods to Trace module * BREAKING CHANGE: Remove 'canonical' from status codes * BREAKING CHANGE: Assorted SpanContext fixes * ADDED: B3 support * FIXED: Move context/span methods to Trace module * FIXED: Remove 'canonical' from status codes * FIXED: Assorted SpanContext fixes ### v0.7.0 / 2020-10-07 * FIXED: Safely navigate span variable during error cases * DOCS: Standardize toplevel docs structure and readme * DOCS: Fix param description in TextMapInjector for Baggage ### v0.6.0 / 2020-09-10 * ADDED: Add support for OTEL_LOG_LEVEL env var * Documented array valued attributes [#343](https://github.com/open-telemetry/opentelemetry-ruby/pull/343) * Renamed CorrelationContext to Baggage [#338](https://github.com/open-telemetry/opentelemetry-ruby/pull/338) * Renamed Text* to TextMap* (propagators) [#335](https://github.com/open-telemetry/opentelemetry-ruby/pull/335) * Fixed exception semantic conventions (`span.record_error` -> `span.record_exception`) [#333](https://github.com/open-telemetry/opentelemetry-ruby/pull/333) * Removed support for lazy event creation [#329](https://github.com/open-telemetry/opentelemetry-ruby/pull/329) * `name:` named parameter to `span.add_event` becomes first positional argument * `Event` class removed from API * Added `hex_trace_id` and `hex_span_id` helpers to `SpanContext` [#332](https://github.com/open-telemetry/opentelemetry-ruby/pull/332) * Added `CorrelationContext::Manager.values` method to return correlations as a `Hash` [#323](https://github.com/open-telemetry/opentelemetry-ruby/pull/323)