Go API Changelog

This changelog includes only developer-facing changes. If you are looking for user-facing changes, check out CHANGELOG.md.

v0.85.0

exporter/exporterhelper: Introduce a new exporter helper that operates over client-provided requests instead of pdata (#7874) The following experimental API is introduced in exporter/exporterhelper package:
- NewLogsRequestExporter: a new exporter helper for logs.
- NewMetricsRequestExporter: a new exporter helper for metrics.
- NewTracesRequestExporter: a new exporter helper for traces.
- Request: an interface for client-defined requests.
- RequestItemsCounter: an optional interface for counting the number of items in a Request.
- LogsConverter: an interface for converting plog.Logs to Request.
- MetricsConverter: an interface for converting pmetric.Metrics to Request.
- TracesConverter: an interface for converting ptrace.Traces to Request. All the new APIs are intended to be used by exporters that need to operate over client-provided requests instead of pdata.
otlpreceiver: Export HTTPConfig as part of the API for creating the otlpreceiver configuration. (#8175) Changes signature of receiver/otlpreceiver/config.go type httpServerSettings to HTTPConfig.

all: Remove go 1.19 support, bump minimum to go 1.20 and add testing for 1.21 (#8207)

changelog: Generate separate changelogs for end users and package consumers (#8153)