v0.25.0 Beta

🛑 Breaking changes 🛑

• Rename ForEach (in pdata) with Range to be consistent with sync.Map (#2931)
• Rename componenthelper.Start to componenthelper.StartFunc (#2880)
• Rename componenthelper.Stop to componenthelper.StopFunc (#2880)
• Remove exporterheleper.WithCustomUnmarshaler, processorheleper.WithCustomUnmarshaler, receiverheleper.WithCustomUnmarshaler, extensionheleper.WithCustomUnmarshaler, implement config.CustomUnmarshaler interface instead (#2867)
• Remove component.CustomUnmarshaler implement config.CustomUnmarshaler interface instead (#2867)
• Remove testutil.HostPortFromAddr, users can write their own parsing helper (#2919)
• Remove configparser.DecodeTypeAndName, use config.IDFromString (#2869)
• Remove config.NewViper, users should use config.NewParser (#2917)
• Remove testutil.WaitFor, use testify.Eventually helper if needed (#2920)
• Remove testutil.WaitForPort, users can use testify.Eventually (#2926)
• Rename processorhelper.NewTraceProcessor to processorhelper.NewTracesProcessor (#2935)
• Rename exporterhelper.NewTraceExporter to exporterhelper.NewTracesExporter (#2937)
• Remove InitEmptyWithCapacity, add EnsureCapacity and Clear (#2845)
• Rename traces methods/objects to include Traces in Kafka receiver (#2966)

💡 Enhancements 💡

• Add validatable interface with Validate() to all config.<component> (#2898)
  • add the empty Validate() implementation for all component configs
• Experimental: Add a config source manager that wraps the interaction with config sources (#2857, #2903, #2948)
• kafka exporter: Key jaeger messages on traceid (#2855)
• scraperhelper: Don't try to count metrics if scraper returns an error (#2902)
• Extract ConfigFactory in a ParserProvider interface (#2868)
• prometheus exporter: Allows Summary metrics to be exported to Prometheus (#2900)
• prometheus receiver: Optimize dpgSignature function (#2945)
• kafka receiver: Add logs support (#2944)

🧰 Bug fixes 🧰

• prometheus receiver:
  • Treat Summary and Histogram metrics without "_sum" counter as valid metric (#2812)
  • Add job and instance as well-known labels (#2897)
• prometheusremotewrite exporter:
  • Sort Sample by Timestamp to avoid out of order errors (#2941)
  • Remove incompatible queued retry (#2951)
• kafka receiver: Fix data race with batchprocessor (#2957)
• jaeger receiver: Jaeger agent should not report ErrServerClosed (#2965)