v0.13.0 Beta

🛑 Breaking changes 🛑

Host metric system.disk.time renamed to system.disk.operation_time (#1887)
Use consumer for sender interface, remove unnecessary receiver address from Runner (#1941)
Enable sending queue by default in all exporters configured to use it (#1924)
Removed groupbytraceprocessor (#1891)
Remove ability to configure collection interval per scraper (#1947)

Host Metrics receiver now reports both system.disk.io_time and system.disk.operation_time (#1887)
Match spans against the instrumentation library and resource attributes (#928)
Add receiverhelper for creating flexible "scraper" metrics receiver (#1886, #1890, #1945, #1946)
Migrate tailsampling processor to new OTLP-based internal data model and add Composite Sampler (#1894)
Metadata Generator: Change Metrics fields to implement an interface with new methods (#1912)
Add unmarshalling for pdata.Traces (#1948)
Add debug-level message on error for jaeger exporter (#1964)

Fix bug where the service does not correctly start/stop the log exporters (#1943)
Fix Queued Retry Unusable without Batch Processor (#1813) - (#1930)
prometheus receiver: Log error message when process_start_time_seconds gauge is missing (#1921)
Fix trace jaeger conversion to internal traces zero time bug (#1957)
Fix panic in otlp traces to zipkin (#1963)
Fix OTLP/HTTP receiver's path to be /v1/traces (#1979)