• Use Attribute rather than boundattribute in logrecord (#3567)
• Fix flush error when no LoggerProvider configured for LoggingHandler (#3608)
• Fix OTLPMetricExporter ignores preferred_aggregation property (#3603)
• Logs: set observed_timestamp field (#3565)
• Add missing Resource SchemaURL in OTLP exporters (#3652)
• Fix loglevel warning text (#3566)
• Prometheus Exporter string representation for target_info labels (#3659)
• Logs: ObservedTimestamp field is missing in console exporter output (#3564)
• Fix explicit bucket histogram aggregation (#3429)
• Add code.lineno, code.function and code.filepath to all logs (#3645)
• Add Synchronous Gauge instrument (#3462)
• Drop support for 3.7 (#3668)
• Include key in attribute sequence warning (#3639)
• Upgrade markupsafe, Flask and related dependencies to dev and test environments (#3609)
• Handle HTTP 2XX responses as successful in OTLP exporters (#3623)
• Improve Resource Detector timeout messaging (#3645)
• Add Proxy classes for logging (#3575)
• Remove dependency on 'backoff' library (#3679)