1.12.0

Trace

• Modify toSpanData to happen inside attributesLock to prevent data races by @ArielDemarco in #632
• Added max value length per span attribute by @mamunto in #634

Metrics

• Added BatchSpanProcessor metrics on drop and export span by @mamunto in #635

Logging

• Fix comment in PersistenceLogExporterDecorator.swift by @kevin147147 in #643

Exporters

• Update OtlpHttpTraceExporter init to support envVarHeaders by @djpearce in #628
• Added data compression support for HTTP exporter by @mamunto in #631
• Added exporter metric for Span, Trace and Log by @mamunto in #637
• Added exporter metric to StableOtlpHTTPMetricExporter by @mamunto in #638

URLSession Instrumentation

• Add support for Default Baggage Injection in URLSessionInstrumentation by @batuhansk in #639
• added other AV task exceptions in NSURLSession instrumentation by @bryce-b in #640

New Contributors

• @djpearce made their first contribution in #628
• @kevin147147 made their first contribution in #643

Full Changelog: 1.11.0...1.12.0