Issues

• [Bug]: SortAndBatchElements batches never reach max_batch_weight

  P2python
  apache/beam#40461 · Filter by author anishmehta24 opened on Oct 8, 2026
  1

  

• [Bug]: ReadFromText with escapechar skips a delimiter that comes right after an escaped one

  P2python
  apache/beam#40459 · Filter by author anishmehta24 opened on Oct 7, 2026
  1

  

• [Task]: Use Timestamp logical type in Beam SQL

  awaiting triageP2task
  apache/beam#40454 · Filter by author ahmedabu98 opened on Oct 7, 2026

• [Failing Test]: AsyncWrapperTest.testBufferStopsAcceptingItems flaky on Windows

  flakejavaP2tests
  apache/beam#40448 · Filter by author tkaymak opened on Oct 7, 2026
  2

• [Task]: Tighten the late data bound of the Spark 4 streaming stateful ParDo to the previous batch watermark

  P3spark
  apache/beam#40446 · Filter by author tkaymak opened on Oct 7, 2026

• [Bug]: Uncaught permission exception during VertexAIFeatureStoreEnrichmentHandler initialization

  bugP2python
  apache/beam#40442 · Filter by author vishalmore90 opened on Oct 7, 2026
  1

  

• [Bug]: BigQueryIO streaming insert silently ignores transient network errors during response body read

  awaiting triagebugdataflowjavaP2
  apache/beam#40419 · Filter by author damjad opened on Oct 5, 2026
  1

• [Bug]: Go harness last dataWriter/timerWriter send errors are not wrapped

  buggoP2
  apache/beam#40405 · Filter by author igor-dv opened on Oct 4, 2026
  1

  

• [Feature Request]: Preserve JobMessage id on WaitForCompletion failure

  gonew featureP2
  apache/beam#40402 · Filter by author igor-dv opened on Oct 4, 2026
  1

  

• [Feature Request]: Fully support new parameters for ReadFromKafka Yaml

  new featureP2yaml
  apache/beam#40395 · Filter by author derrickaw opened on Oct 3, 2026
  

• [Task]: Add a GCS temp bucket cleaner to .test-infra/tools to prevent bucket leaks

  infraP2task
  apache/beam#40347 · Filter by author shunping opened on Sep 30, 2026
  2

  

• [Failing Test]: JmsIOTest.testAuthenticationWithBadPassword is flaky (ActiveMQ)

  flakeiojavaP2tests
  apache/beam#40289 · Filter by author mxtymoshyk opened on Sep 25, 2026
  2

  

• [Bug]: Python ParquetIO _WriteBatches DoFn silently corrupts data across windows in unbounded pipelines

  awaiting triagebugP2python
  apache/beam#40284 · Filter by author vishalmore90 opened on Sep 25, 2026
  1

• [Bug]: DaskRunner DaskBagWindowedIterator materializes entire dataset into memory causing OOM

  awaiting triagebugP2python
  apache/beam#40282 · Filter by author vishalmore90 opened on Sep 25, 2026

• [Task]: Remove support for Python 3.10

  P2pythontask
  apache/beam#40250 · Filter by author jrmccluskey opened on Sep 23, 2026
  4

  

• [Feature Request]: Add support for Python 3.15

  new featureP2python
  apache/beam#40249 · Filter by author jrmccluskey opened on Sep 23, 2026

• [Bug]: Spark Structured Streaming Runner memory leak: Datasets are persisted but never unpersisted in ParDoTranslatorBatch

  bugP2spark
  apache/beam#40243 · Filter by author vishalmore90 opened on Sep 23, 2026
  1

  

• [Bug]: SpannerIO Change Streams may skip ChildPartitionsRecord when advancing tracker to artificial query end timestamp

  iojavaP1
  apache/beam#40232 · Filter by author jiangzzhu opened on Sep 23, 2026

• [Feature Request]: Implement least-privilege access for GKE workload hosting Beam metrics.

  awaiting triageinfranew featureP2
  apache/beam#40214 · Filter by author tvalentyn opened on Sep 21, 2026

• Performance Regression or Improvement: gbk_python_batch_load_test_fanout_8_times_with_2GB_10byte_records_total:runtime

  awaiting triageperf-alert
  apache/beam#40190 · Filter by author github-actions opened on Sep 20, 2026

• [Feature Request]: Honor allowMissingRequiredFields when building Storage Write API messages from TableRow

  iojavanew featureP2
  apache/beam#40189 · Filter by author khaledh opened on Sep 20, 2026
  1

  

• [Feature Request]: Avoid per-field Descriptor.findFieldByName lookups in BigQuery Storage Write API TableRow conversion

  iojavanew featureP2
  apache/beam#40188 · Filter by author khaledh opened on Sep 20, 2026
  1

  

• [Feature Request]: Allow ADK Model Handler to use local models

  new featureP2python
  apache/beam#40179 · Filter by author damccorm opened on Sep 18, 2026
  

• [Feature Request]: SolaceIO: Add OpenTelemetry Distributed Tracing Support

  iojavanew featureP2
  apache/beam#40175 · Filter by author stankiewicz opened on Sep 18, 2026
  3

  

• [Bug]: Go SDK row coder encodes negative INT32 schema fields as 10 byte varints that Java and Python reject

  goP2
  apache/beam#40159 · Filter by author Eliaaazzz opened on Sep 17, 2026
  1