[chore] Update C++ spec compliance matrix#4974

Merged

reyang merged 3 commits intoopen-telemetry:mainfrom

dbarker:update_otel_cpp_compliance_matrix

Mar 24, 2026

Commits on Mar 20, 2026

Update C++ spec compliance matrix with support for tracer provider scope association, duplicate instrument registration, gauge instrument, and exponential histogram aggregation
dbarker
committed
Merge branch 'main' into update_otel_cpp_compliance_matrix
dbarker
authored

Commits on Mar 23, 2026

Merge branch 'main' into update_otel_cpp_compliance_matrix
dbarker
authored