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

flake

io

java

P2

tests

Status: Open.

#40289 In apache/beam;

· mxtymoshyk opened on Sep 25, 2026

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

awaiting triage

bug

P2

python

Status: Open.

#40284 In apache/beam;

· vishalmore90 opened on Sep 25, 2026

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

awaiting triage

bug

P2

python

Status: Open.

#40282 In apache/beam;

· vishalmore90 opened on Sep 25, 2026

[Spark] SparkStateInternals: MapState and SetState isEmpty() stays false after removing the last element

Status: Open.

#40264 In apache/beam;

· tkaymak opened on Sep 24, 2026

[Bug]: Duration(float seconds) truncates instead of rounding, losing a microsecond

P3

python

Status: Open.

#40263 In apache/beam;

· anishmehta24 opened on Sep 24, 2026

[Bug]: Go harness leaks gRPC connections and can deadlock when closing streams

bug

go

P2

Status: Open.

#40260 In apache/beam;

· igor-dv opened on Sep 24, 2026

[Task]: Remove support for Python 3.10

P2

python

task

Status: Open.

#40250 In apache/beam;

· jrmccluskey opened on Sep 23, 2026

[Feature Request]: Add support for Python 3.15

new feature

P2

python

Status: Open.

#40249 In apache/beam;

· jrmccluskey opened on Sep 23, 2026

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

bug

P2

spark

Status: Open.

#40243 In apache/beam;

· vishalmore90 opened on Sep 23, 2026

[Bug]: Unrecoverable Runner Errors (CommitTooLargeException) When Emitting High Volume of Duplicate/Unprocessed Events in OrderedEventProcessor

awaiting triage

bug

dataflow

java

P2

Status: Open.

#40240 In apache/beam;

· vishalmore90 opened on Sep 23, 2026

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

io

java

P1

Status: Open.

#40232 In apache/beam;

· jiangzzhu opened on Sep 23, 2026

[Feature Request]: Update Beam Grafana instance

awaiting triage

infra

new feature

P2

Status: Open.

#40215 In apache/beam;

· tvalentyn opened on Sep 21, 2026