beam
https://github.com/apache/beam
Java
Apache Beam is a unified programming model for Batch and Streaming data processing.
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- Issues
- Handle empty batches in Python worker counters
- [Python] Honor disableCounterMetrics, disableStringSetMetrics, and disableBoundedTrieMetrics experiments
- Release Note: Rename Dataflow Runner to Dataflow Portable Runner
- [GSoC 2026] Kafka Streams Runner — ExecutableStage (stateless ParDo) translator
- [Bug]: ReadFromCSV does not handle EmptyDataframe well internally
- Re-enable call-args check in yaml_io.py
- [Prism] Fix Reshuffle handling to recursively remove sub-transforms
- Fix flaky TestDataSampler/GetSamplesForPCollectionsTooManySamples
- Update JmsIO to ActiveMQ 6.2.5 and jakarta.jms
- Disable gRPC fork support in PortableRunnerTestWithSubprocesses
- Docs
- Java not yet supported