In this release, MicroProfile Reactive Streams Operators will align with Jakarta EE 8.
Incompatible Changes
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OSGi dependencies marked as "provided"
API/SPI Changes
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ReactiveStreamsFactory.fromSubscriber parameter type change
Other Changes
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Update to Jakarta EE8 APIs for MP 4.0
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Javadoc clarification
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TCK clarification: (#141)
There is no API breaking changes. Major release is based on the fact that some dependencies have changed their scope from compile to provided, which might break some end users.
Release Date
Release Type
Major release (API breakage)