v0.27.0 Beta

🛑 Breaking changes 🛑

Change Marshal signatures in kafkaexporter's Marshalers to directly convert pdata to sarama.ProducerMessage (#3162)
Remove tracetranslator.DetermineValueType, only used internally by Zipkin (#3114)
Remove OpenCensus conventions, should not be used (#3113)
Remove Zipkin specific translation constants, move to internal (#3112)
Remove tracetranslator.TagHTTPStatusCode, use conventions.AttributeHTTPStatusCode (#3111)
Remove OpenCensus status constants and transformation (#3110)
Remove tracetranslator.AttributeArrayToSlice, not used in core or contrib (#3109)
Remove internaldata.MetricsData, same APIs as for traces (#3156)
Rename config.IDFromString to NewIDFromString, remove MustIDFromString (#3177)
Move consumerfanout package to internal (#3207)
Canonicalize enum names in pdata. Fix usage of uppercase names (#3208)

Use config.ComponentID for obsreport receiver/scraper (#3098)
Add initial implementation of the consumerhelper (#3146)
Add Collector version to Prometheus Remote Write Exporter user-agent header (#3094)
Refactor processorhelper to use consumerhelper, split by signal type (#3180)
Use consumerhelper for exporterhelper, add WithCapabilities (#3186)
Set capabilities for all core exporters, remove unnecessary funcs (#3190)
Add an internal sharedcomponent to be shared by receivers with shared resources (#3198)
Allow users to configure the Prometheus remote write queue (#3046)
Mark internaldata traces translation as deprecated for external usage (#3176)

Fix Prometheus receiver metric start time and reset determination logic. (#3047)
- The receiver will no longer drop the first sample for counter, summary, and histogram metrics.
The Prometheus remote write exporter will no longer force counter metrics to have a _total suffix. (#2993)
Remove locking from jaeger receiver start and stop processes (#3070)
Fix batch processor metrics reorder, improve performance (#3034)
Fix batch processor traces reorder, improve performance (#3107)
Fix batch processor logs reorder, improve performance (#3125)
Avoid one unnecessary allocation in grpc OTLP exporter (#3122)
batch processor: Validate that batch config max size is greater than send size (#3126)
Add capabilities to consumer, remove from processor (#2770)
Remove internal protos usage in Prometheusremotewrite exporter (#3184)
prometheus receiver: Honor Prometheus external labels (#3127)
Validate that remote write queue settings are not negative (#3213)