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version:8.9.18

Bug Fixes

Java Client

  • Streaming job worker stops polling permanently after activated jobs are rejected at maxJobsActive (#59633)

Misc

  • [CPT] isCompleted() fails when asserted seconds after process instance completion (#60895)
  • Backup retention job never runs unless a checkpoint or backup schedule is also configured (#60615)
  • DeleteResourceResponse.batchOperation schema description contradicts the endpoint's own description in the same spec file (#60527)
  • Land on Details tab when selecting a call activity (#60507)
  • RDBMS secondary storage never advances process_definition.state past DRAINING when a resource is deleted with zero active instances (#60472)
  • Process definition stuck in DRAINING forever when its last instance is migrated away (#60439)
  • Process definition statistics endpoint silently ignores businessId filters (#58888)
  • PartitionCount mismatch on 8.7 to 8.8 upgrade (#58444)
  • CamundaExporterConfigurationApplier does not copy maxConnections/maxConnectionsPerRoute from unified configuration (#58238)
  • RDBMS errorMessage IN/EQUALS uses strict equality while ES/OS uses substring (match_phrase) (#52798)

Maintenance

  • Ensure @VisibleForTesting proper usage via VisibleForTestingArchTest (#39788)

Task

  • Address Copilot review comments on PR [#60499] (HealthCheck backport) (#60600)
  • Reconcile draining process definitions on newly bootstrapped partitions (#59881)
  • Draining deletion (visibility): exporters mark process definition deleted on FULLY_DELETED, not DELETED (#59460)
  • Draining deletion (visibility): Operate Dashboard DRAINING badge (#56989)
  • Draining deletion (visibility): exporter handles ProcessIntent.DRAINING (#56987)
  • Draining deletion (history): carry deleteHistory to finalize and delete history at FULLY_DELETED (#56979)
  • Draining deletion: accept & mark DRAINING in resource deletion (unblock queue) (#56978)
  • Draining deletion: finalize physical deletion when last instance drains (#56977)
  • Draining deletion: block new instances of a draining definition (#56976)
  • Draining deletion: DRAINING process state + intent + applier (#56975)
  • [Doc Handling] Azure Blob Storage document store implementation (#47790)
  • Ensure @VisibleForTesting proper usage via VisibleForTestingArchTest (#39788)

Merged Pull Requests

  • fix: prevent streaming job worker from permanently stopping polling when activated jobs are rejected at maxJobsActive (#61195)
  • fix: match RDBMS error message filters with ES/OS (#60596)
  • [Backport stable/8.9] fix: use status endpoint instead of topology in Spring Boot starter health check (#60499)
  • fix: use status endpoint instead of topology in Spring Boot starter health check (#60295)
Source: README.md, updated 2026-08-31