v0.10.0

Added

• Add support for baggage metadata #287

Changed

• Remove api prefix from modules #305
• Move mark_as_active_span and get_active_span functions into trace module #310
• Revert renaming of SpanContext to SpanReference #299
• Default trace propagator is now a no-op #329
• Return references to span contexts instead of clones #325
• Update exporter errors to be Box<dyn Error + Send + Sync + 'static> #284
• Rename GenericProvider to GenericTracerProvider #313
• Reduce SpanStatus enum to Ok, Error, and Unset variants #315
• update B3 propagator to more closely match spec #319
• Export missing pub global trace types #313
• Ensure kv array values are homogeneous #333
• Implement Display trait for Key and Value types #353
• Move SpanProcessor trait into sdk module #334
• Ensure is_recording is false and span is no-op after end #341
• Move binary propagator and base64 format to contrib #343
• Ensure metrics noop types go through constructors #345
• Change ExportResult to use std::result::Result #347
• Change SpanExporter::export to take &mut self instead of &self #350
• Add MSRV 1.42.0 #296

Fixed

• Fix parent based sampling #354

Removed

• Remove support for u64 and bytes kv values #323
• Remove kv value conversion from &str #332