MicroProfile® Reactive Streams Operators 3.0 Release Review

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Reactive Streams Operators 3.0


MicroProfile Reactive Streams Operators 3.0 is to align with Jakarta EE 9.1 as well as a bug fix in its TCK, detailed below.

  • TCK fix: Loading ReactiveStreamsEngine and ReactiveStreamsFactory should also work running with a security manager (link:https://github.com/eclipse/microprofile-reactive-streams-operators/pull/170[#170])
  • There are no functional changes introduced in this release, except updating the dependencies from javax to jakarta
  • This release aligns with Jakarta EE 9.1, so it won't work with earlier versions of Jakarta or Java EE. Therefore, this is a major release.


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