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The LoadTests Go GBK Flink Batch job is flaky

bug

flaky_test

P1

workflow_id: 71049762

Status: Open.

#39045 In apache/beam;

· github-actions opened on Jun 20, 2026

The LoadTests Go Combine Flink Batch job is flaky

bug

flaky_test

P1

workflow_id: 71049936

Status: Open.

#39044 In apache/beam;

· github-actions opened on Jun 20, 2026

[GSoC 2026] Kafka Streams runner — KStreamsPayload Serde (GroupByKey prerequisite)

Status: Open.

#39042 In apache/beam;

· junaiddshaukat opened on Jun 20, 2026

Performance Regression or Improvement: sideinpts_python_batch_1gb_1kb_10workers_1000window_1key_percent_dict:runtime

awaiting triage

perf-alertAutomatically filed performance-related alerts.Automatically filed performance-related alerts.

Status: Open.

#39036 In apache/beam;

· github-actions opened on Jun 19, 2026

Performance Regression or Improvement: cogbk_python_batch_load_test_2GB_of_100B_records_with_a_single_key:runtime

awaiting triage

perf-alertAutomatically filed performance-related alerts.Automatically filed performance-related alerts.

Status: Open.

#39027 In apache/beam;

· github-actions opened on Jun 18, 2026

[Bug]: Watermark age for PeriodicImpulse regression in v2.74.0

awaiting triage

bug

dataflow

P2

python

Status: Open.

#39026 In apache/beam;

· jbandoro opened on Jun 18, 2026

Performance Regression or Improvement: combine_python_batch_2gb_10_byte_records:runtime

awaiting triage

perf-alertAutomatically filed performance-related alerts.Automatically filed performance-related alerts.

Status: Open.

#39010 In apache/beam;

· github-actions opened on Jun 17, 2026

[Feature Request]: Add max_read_time to ReadFromPubsub similar to ReadFromKafka

new feature

P2

yaml

Status: Open.

#39009 In apache/beam;

· derrickaw opened on Jun 17, 2026

[Bug]: When using FnApi and DataStream, bundle processing is not isolated due to limited queues and multiplexing

bug

dataflow

java

P2

Status: Open.

Bug

#39001 In apache/beam;

· scwhittle opened on Jun 17, 2026

[Task]: Rename dataflow runner v2 to dataflow portable runner

awaiting triage

go

java

P2

python

task

Status: Open.

#39000 In apache/beam;

· TongruiLi opened on Jun 17, 2026

[Feature Request]: Multi-Source BigQuery Copy Jobs for Python SDK

good first issue

new feature

P1

python

Status: Open.

#38982 In apache/beam;

· stankiewicz opened on Jun 16, 2026

[Failing Test]: beam_PreCommit_Yaml_Xlang_Direct fails consistently (io expansion-service shadowJar not found)

P2

python

Status: Open.

#38972 In apache/beam;

· tkaymak opened on Jun 15, 2026