v1.17.0-RC1

Highlights

⚠️ Release Candidate
This release brings performance improvements for high throughput scenarios.

What's Changed

• Port config of default Jackson timestamp deserialization to kotlin by @Spikhalskiy in #1388
• Align Test Server behavior with the real one if completion command is not the last by @Spikhalskiy in #1399
• Test Server doesn't reset sticky queue if timeout fired for an outdated workflow task by @Spikhalskiy in #1401
• Set larger maxInboundMetadataSize to accommodate unbounded Server error messages by @Spikhalskiy in #1397
• History iteration should never ever fail a workflow execution by @Spikhalskiy in #1404
• Fix guard clause to allow passing key and cert chain as strings by @yassineb in #1409
• Deprecate addWorkflowImplementationFactory and give a register* alternative with an expected contract by @Spikhalskiy in #1410
• Reduce threads churn by increasing pool timeouts by @Spikhalskiy in #1418
• Reduce contention on workflow cache by @Spikhalskiy in #1419
• Provide task queue kind in long polls for workflow tasks by @Spikhalskiy in #1420
• Rework workflow threads reporting from using blocking ThreadPoolExecutor#getActiveThreads by @Spikhalskiy in #1421
• Each worker now has its own sticky task queue by @Spikhalskiy in #1423
• Implement executor slots reservation for workflow tasks by @Spikhalskiy in #1431
• Reduce eagerly executed work needed to create an ActivityStub by @Spikhalskiy in #1434
• Rework some reflection out of Test Server to help Graal by @Spikhalskiy in #1435
• Optimize unneeded string concatenation by @Spikhalskiy in #1433
• Reduce deterministic runner lock reentrance by @Spikhalskiy in #1436
• Implement dynamic sticky queue polling based on the reported backlog by @Spikhalskiy in #1438
• Fix MTLS configuration in spring boot autoconfiguration by @yassineb in #1441
• Add support for Eager Activity Dispatch by @mjameswh in #1439
• SDK doesn't allow a single WorkflowTask poller and forces the value to '2' if specified by @Spikhalskiy in #1451
• Fix leaking Eager Activity Reservation by @Spikhalskiy in #1452
• Refactor WorkflowWorker to put eager activity dispatch in the right place by @Spikhalskiy in #1453
• Rework WorkflowExecutorCache to remove a global lock by @Spikhalskiy in #1454
• Limit eager activity dispatch for one workflow task completion by @Spikhalskiy in #1455
• testing module now brings json-path as a transitive dependency by @Spikhalskiy in #1450
• Update API protos to 1.12 by @Spikhalskiy in #1461

New Contributors

• @yassineb made their first contribution in #1409
• @mjameswh made their first contribution in #1439

Full Changelog: v1.16.0...v1.17.0-RC1