3.0.0-RC9 release preparations #6896

Version 3.0.0-RC9 - January 31, 2020 (Maven)

JavaDocs

This is an early release for 3.0.0 to allow preparations for the breaking API changes and cleanups. Please check out the wiki page What's different in 3.0 from time to time for the details and migration guide.

API changes

• Rename Single.equals to Single.sequenceEqual. (Rename Single.equals to Single.sequenceEqual #6856)
• Change some Flowable.buffer overload signatures to use Publisher as input. (3.x: Fix groupBy not requesting more if a group is cancelled w/ items #6895)
• Add delayError overload to Maybe.delay. (Adding delayError to Maybe.delay #6864)
• Add Maybe/Single/Completable blockingSubscribe. (3.x: Add Maybe/Single/Completable blockingSubscribe #6862)
• Add onErrorComplete to Flowable, Observable and Single. (3.x: Add onErrorComplete to Flowable, Observable and Single #6867)
• Add Completable.onErrorResumeWith. (3.x: Add Completable.onErrorResumeWith #6868)
• Add Single/Completable retryUntil. (3.x: Add Single/Completable retryUntil + marbles #6869)
• Add Maybe/Single/Completable switchOnNext & switchOnNextDelayError. (3.x: Add Maybe/Single/Completable switchOnNext & switchOnNextDelayError #6870)
• Add Maybe.dematerialize. (3.x: Add Maybe.dematerialize #6871)
• Add missing fromX operators. (3.x: Add many fromX operators + marbles #6873)
• Add Maybe/Single timeInterval & timestamp. (3.x: Add timeInterval & timestamp to M/S #6874)
• Add Maybe/Completable toFuture. (3.x: Add Maybe/Completable toFuture #6875)
• Add Single.ofType. (3.x: Add Single.ofType #6876)
• Add Maybe/Single/Completable doOnLifecycle. (3.x: Add doOnLifecycle to Maybe, Single & Completable #6877)
• Add various concatMapX operators (aliases). (3.x: Add concatMapX operators (aliases) #6879)
• Add various concatXDelayError operators. (3.x: Add various concatXDelayError operators #6881)
• Add Single.mergeArray & mergeArrayDelayError. (3.x: Add Single.mergeArray & mergeArrayDelayError #6882)
• Add Completable.sequenceEqual. (3.x: Add Completable.sequenceEqual #6884)
• Add missing startWith overloads. (3.x: Add missing startWith overloads #6885)
• Add Completable.onErrorReturn[Item]. (3.x: Add Completable.onErrorReturn[Item] #6886)
• Add safeSubscribe to Maybe, Single & Completable. (3.x: Add safeSubscribe to Maybe, Single & Completable #6887)
• Swap Maybe.flatMapSingle and Maybe.flatMapSingleElement, remove the latter. (3.x: Swap Maybe.flatMapSingle and Maybe.flatMapSingleElement #6891)
• Add Single.flatMap overloads with combiner and notification selector mode (3.x: Reenable XFlatMapTest.maybeSingle, add missing Single operators #6893)
• Add concatEager(Iterator, int) to Maybe and Single. (3.x: Add concatEagerDelayError across #6899)
• And concatEagerDelayError to Flowable, Observable, Maybe and Single. (3.x: Add concatEagerDelayError across #6899)

Bugfixes

• Fix Flowable.groupBy not requesting more if a group is cancelled with items still buffered. (3.x: Fix groupBy not requesting more if a group is cancelled w/ items #6895)

Documentation enhancements

• Improve Operator-Matrix Wiki with links and notes. (3.x: [Wiki] Improve Operator-Matrix with links and notes #6857)
• Add last missing @throws tag to JavaDocs. (3.x: Add last missing throws tag to JavaDocs #6860)
• Fix many marbles in Maybe. (3.x: Fix many marbles in Maybe #6866)
• Add Maybe.retryUntil marble. (3.x: Add Single/Completable retryUntil + marbles #6869)
• Add the last set of Maybe marble diagrams. (3.x: Add remaining Maybe marbles (+50) #6897)

Other changes

• Fix method argument naming across types. (3.x: Fix method argument naming across types #6853)
• Verify the use of base interfaces in operator inputs & lambdas. (3.x: Fix groupBy not requesting more if a group is cancelled w/ items #6895)
• Bump biz.aQute.bnd.gradle from 4.3.1 to 5.0.0 (Bump biz.aQute.bnd.gradle from 4.3.1 to 5.0.0 #6861)
• Use more appropriate operators when delegating to Flowable operators. (3.x: Use more appropriate operators when delegating to Flowable ops #6888)
• Fix marble dimensions, add program that checks them. (3.x: Fix marble dimensions, add program that checks them #6890)