reactor/reactor-core v3.5.0-M3

on GitHub

Reactor-Core 3.5.0-M3 is part of 2022.0.0-M3 Release Train (F Milestone 3).

This version brings in a few changes, bugfixes and enhancements from the 3.4.x line, most notably from 3.4.18 and 3.4.19. These are also listed below.

What's Changed

⚠️ Update considerations and deprecations

• Scannable.tags() rework: change in how the tags are enumerated and added a tagsDeduplicated() method which allows to enumerate without duplicates (#3037)
• Finalizing deprecation removals from public API with FluxProcessor and MonoProcessor and their implementations (#3051)
  • with the recent addition of a Sinks equivalent to EmitterProcessor, the most common remaining use case where Processor was needed is now covered (since #3042)

✨ New features and improvements

• Fix windowTimeout stress test to use sinks by @OlegDokuka in #3074
• from 3.4.x:
  • Add key hook parts to Schedulers.onHandleError by @simonbasle in #3039
  • [reactor-test] Add StepVerifier option to use ConditionalSubscriber by @simonbasle in #3035
  • Introduce an alternative to Processor-with-upstream case by @simonbasle in #3042
  • Rework Processor-with-upstream case to be backward compatible by @simonbasle in #3065
  • Implement variant of windowTimeout with fairBackpressure by @OlegDokuka in #3054
  • Add windowTimeout sendNext early guard against maxSize overflow by @OlegDokuka in #3073
  • Add StateLogger for structured logging of state machines by @OlegDokuka in #3077
  • Include classname of null-returning map function in NPE msg by @ismailalammar in #2984

🐞 Bug fixes

• from 3.4.x:
  • Fix DoOnEach ASYNC fusion triggering onNext signal twice by @simonbasle in #3045
  • Fix cancel too synchronized in MonoCollect[List] by @simonbasle in #3053
  • Async fusion bug: extra fixes and changes by @simonbasle in #3046

📖 Documentation, Tests and Build

• Correct typo in metrics.adoc by @jarredhiggs in #3047
• Fix doc typo: missing word in reactiveProgramming.adoc by @eduardNeagoe in #3075
• from 3.4.x:
  • Refguide on mobile to use screen space optimally by @tmyksj in #3019
  • Introducing JCStress tests for concurrent queues by @chemicL in #3069

🆙 Dependency Upgrades

• from 3.4.x:
  • Upgrade Checkout action, Mockito, Spotless, Artifactory by @simonbasle in #3030
  • Upgrade download, gradle enterprise, spotless, byteBuddy by @simonbasle in #3034
  • June dependency upgrades by @simonbasle in #3066
  • Update Reactive-Streams to v1.0.4 by @renovate-bot in #3055
  • Update plugin bnd to v6.3.1 by @simonbasle in #3070

New Contributors

• @jarredhiggs made their first contribution in #3047
• @eduardNeagoe made their first contribution in #3075