v3.4.19

Reactor-Core 3.4.19 is part of 2020.0.20 Release Train (Europium SR20).

What's Changed

✨ New features and improvements

• 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
  • This is activated by the fairBackpressure boolean parameter.

🐞 Bug fixes

• 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

• Introducing JCStress tests for concurrent queues by @chemicL in #3069

🆙 Dependency Upgrades

• 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

• @chemicL made their first contribution in #3069