Release v0.15.0

[MrAlias]

Added

• The WithIDGenerator TracerProviderOption is added to the go.opentelemetry.io/otel/trace package to configure an IDGenerator for the TracerProvider. (Enable support for externally-defined ID generators #1363)

Changed

• The Zipkin exporter now uses the Span status code to determine. (chore(zipkin-exporter): relay on the status code for the request but still read the response body. #1328)
• NewExporter and Start functions in go.opentelemetry.io/otel/exporters/otlp now receive context.Context as a first parameter. (Another batch of cleanups in otlp exporter #1357)
• Move the OpenCensus example into example directory. (Move opencensus example to the example directory #1359)
• Moved the SDK's internal.IDGenerator interface in to the sdk/trace package to enable support for externally-defined ID generators. (Enable support for externally-defined ID generators #1363)
• Bump github.com/google/go-cmp from 0.5.3 to 0.5.4 (Bump github.com/google/go-cmp from 0.5.3 to 0.5.4 #1374)
• Bump github.com/golangci/golangci-lint in /internal/tools (Bump github.com/golangci/golangci-lint from 1.32.2 to 1.33.0 in /internal/tools #1375)

Fixed

• Metric SDK SumObserver and UpDownSumObserver instruments correctness fixes. (Metric Accumulator fix for SumObservers #1381)

[codecov]

Codecov Report

Merging #1392 (17c8c9f) into master (599c080) will not change coverage.
The diff coverage is 0.0%.

@@          Coverage Diff           @@
##           master   #1392   +/-   ##
======================================
  Coverage    78.0%   78.0%           
======================================
  Files         123     123           
  Lines        6202    6202           
======================================
  Hits         4838    4838           
  Misses       1120    1120           
  Partials      244     244           

Impacted Files	Coverage Δ
version.go	0.0% <0.0%> (ø)