v1.14.0 (2022-10-04)

Context

• No changes.

Traces

• No changes.

Metrics

• Changed the default buckets for Explicit Bucket Histogram to better match the official Prometheus clients.
  (#2770).
• Fix OpenMetrics valid label keys, and specify prometheus conversion for metric name.
  (#2788)

Logs

• Add environment variables for configuring the BatchLogRecordProcessor.
  (#2785)

Resource

• Add browser.mobile and browser.language resource attributes
  (#2761)

Semantic Conventions

• Add process.context_switches, and process.open_file_descriptors, to the metrics semantic conventions
  (#2706)
• Add exceptions to the logs semantic conventions
  (#2819)
• Make context propagation requirements explicit for messaging semantic conventions
  (#2750).
• Update http metrics to use http.route instead of http.target for servers, drop http.url for clients
  (#2818).

Compatibility

• No changes.

OpenTelemetry Protocol

• Add user agent to OTLP exporter specification
  (#2684)
• Prohibit usage of enum value name strings in OTLP/JSON
  (#2758)
• Clarify that unknown fields must be ignored when receiving OTLP/JSON
  (#2816)
• Add OTLP exporter user agent to the spec compliance matrix
  (#2842).

SDK Configuration

• Add the OTEL_SDK_DISABLED environment variable to the SDK configuration.
  (2679)
• Add the definition of a Boolean environment variable
  (#2755).

Telemetry Schemas

• No changes.

Common

• No changes.

New Contributors

• @brunobat made their first contribution in #2755
• @jship made their first contribution in #2830

Full Changelog: v1.13.0...v1.14.0