chore: prepare next release

[otelbot-js]

Stable SDK (./CHANGELOG.md)

2.8.0

🚀 Features

• feat(sdk-trace-base): pretty-print SpanImpl, Tracer, and BasicTracerProvider via util.inspect so they render through diag and console.log #6690 @mcollina
• feat(sdk-metrics): implement metric reader self-observability metrics #6449 @anuraaga
• feat(core): add hrTimeToSeconds #6449 @anuraaga

🐛 Bug Fixes

• fix(core): limit processing of incoming "baggage" header to 8192 bytes @pichlermarc

Experimental (./experimental/CHANGELOG.md)

0.219.0

💥 Breaking Changes

• fix(configuration)!: stop removing null values from parsed config object #6679 @trentm
  • It is now the responsibility of the user of a parsed declarative config object, typically just the sdk-node package, to handle null values.
• fix(api-logs)!: Removed NOOP_LOGGER and NoopLogger exports from @opentelemetry/api-logs. Use createNoopLogger(): Logger instead. #6713 @dyladan
• feat(api-logs)!: rename scopeAttributes to attributes in LoggerOptions #6573 @pichlermarc
• fix(sdk-node)!: remove buildSamplerFromConfig export #6784 @trentm

🚀 Features

• feat(sdk-node): wire up metric producers from declarative config #6712 @MikeGoldsmith
• feat(sdk-logs)!: add support for attributes in LoggerOptions #6573 @pichlermarc

🐛 Bug Fixes

• fix(sdk-node): pass all config properties to log record exporters in declarative config #6708 @MikeGoldsmith
• fix(sdk-node): warn and ignore zero exporter timeout in declarative config #6711 @MikeGoldsmith
• fix(sdk-node): pass gRPC credentials and headers to span exporter in declarative config #6705 @MikeGoldsmith
• fix(otlp-transformer): do not attempt to skip groups #6704 @pichlermarc
• fix(otlp-grpc-exporter-base): recreate client after 5 consecutive DEADLINE_EXCEEDED to recover from connection dropped deadlock #6296 @afharo
• fix(browser-detector): use the right semantic convention for user agent resource attribute #6729 @david-luna
• fix(browser-detector): user agent resource attribute always #6754 @david-luna
• fix(opentelemetry-exporter-prometheus): handle additional edge cases in metric name conversion #6727 @cjihrig
• fix(sdk-logs): avoid null dereference in BatchLogRecordProcessor._flushAll when an in-flight export completes between awaits #6763 @Janealter
• fix(configuration): improve environment variable substitution to handle all the cases shown in the spec #6757 @trentm

📚 Documentation

• docs(otlp-exporter-base): index the package's public API in generated docs so types like OTLPExporterNodeConfigBase resolve and link from consumer exporter pages #6725 @devareddy05

🏠 Internal

• refactor(configuration): remove redundant env var parsing in EnvironmentConfigFactory #6710 @MikeGoldsmith

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.96%. Comparing base (4b13587) to head (10d7648).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6756   +/-   ##
=======================================
  Coverage   94.96%   94.96%           
=======================================
  Files         380      380           
  Lines       12897    12897           
  Branches     2937     2937           
=======================================
  Hits        12247    12247           
  Misses        650      650           

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[trentm]

@pichlermarc Had you intended to drive a release? I created this PR on Friday to verify the fix for #6736

[pichlermarc]

@pichlermarc Had you intended to drive a release? I created this PR on Friday to verify the fix for #6736

Thanks! 🙂
I wanted to schedule one for Wednesday - we can still go ahead with it then, let's leave it open until we're ready.