Many code changes in 3.x can be done independently, but updating the new What's Different in 3.x.md would conflict. This issue tracks which changes should be eventually described in the file:
Supplier interface -> 3.x: Widen functional interface throws, replace Callable with Supplier #6511 Callable use changed to Supplier in the API -> 3.x: Widen functional interface throws, replace Callable with Supplier #6511 getValues() from various subjects and processors -> 3.x: remove getValues() from some subjects/processors #6516 Maybe.defaultIfEmpty() returns Single -> 3.x: Various small API changes and removals #6517 Maybe.toSingle(T) -> 3.x: Various small API changes and removals #6517 Flowable.subscribe(4 args) -> 3.x: Various small API changes and removals #6517 Observable.subscribe(4 args) -> 3.x: Various small API changes and removals #6517 Single.toCompletable() -> 3.x: Various small API changes and removals #6517 Completable.blockingGet() -> 3.x: Various small API changes and removals #6517 ConnectableX redesign. -> 3.x: ConnectableFlowable/ConnetableObservabe redesign #6519 3.x: Remove methods from test consumers, make internal versions #6526 startWith+1 to startWithItem & startWithIterable -> 3.x: disambiguate startWith+1 to startWithItem & startWithIterable #6530 replay() with eagerTruncate option -> 3.x: Add eager truncation to bounded replay() to avoid item retention #6532 replay(Scheduler) and its variants. -> 3.x: remove no-arg dematerialize(); remove replay(Scheduler) variants #6539 using() order of upstream dispose and resource dispose -> 3.x: Make using() resource disposal order consistent with eager-mode #6534 3.x: Promote Beta/Experimental to Standard #6537 concatMap with Scheduler -> 3.x: Add concatMap with Scheduler guaranteeing where the mapper runs #6538 deserialize() -> 3.x: remove no-arg dematerialize(); remove replay(Scheduler) variants #6539 onExceptionResumeNext()buffer(Supplier) and window(Supplier) variants.onErrorResumeNext(source) to onErrorResumeWith. -> Disambiguous some method call sites when calling from Kotlin #6551 XOnSubscribe interfaces. -> 3.x: widen throws on the XOnSubscribe interfaces #6579 combineLatest(vararg) & combineLatestDelayError(vararg) -> 3.x: Remove vararg overloads for combineLatest in Observable + Flowable #6635 zip(O(O)) overload -> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638 zipIterable to zip -> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638 concatMapDelayError and concatMapEagerDelayError -> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638 combineLatestArray -> 3.x: Rename combineLatest methods that take an array to combineLatestArray #6640 groupBy abandoned group behavior change -> 3.x: Fix groupBy not canceling upstream due to group abandonment #6642 Flowable.groupBy signaling MissingBackpressureException instead of possibly hanging -> 3.x: Change Flowable.groupBy to signal MBE instead of possibly hanging #6740 Schedulers.from(Executor) -> 3.x: Add fair mode overload to Schedulers.from(Executor) #6744 DisposableContainer public API -> 3.x: Make DisposableContainer public API #6745 CompositeException::getCause() output and message -> 3.x: Change how the cause of CompositeException is generated #6748 window handling abandoned inner windows -> 3.x: Fix Flowable.window (size, time) cancellation and abandonment #6758 3.x: Fix Observable.window (size & time) cancellation and abandonment #6761 3.x: Fix window (boundary, start/end) cancel and abandonment #6762 3.x: [Java 8] Upgrade to Java 8, add Flowable.fromX operators #6765 Disposables utility class inlined into Disposable -> 3.x: Migrate Disposables static factories to Disposable interface #6781 BehaviorProcessor, PublishProcessor and MulticastProcessor offer null-check change. -> 3.x: XProcessor.offer to throw NPE immediately #6799 MulticastProcessor.offer now throws IllegalStateException when called in fusion mode. -> 3.x: XProcessor.offer to throw NPE immediately #6799 blockingForEach(Consumer, int) overloads -> 3.x: Add blockingForEach(Consumer, int) overload #6800 fromFuture(..., Scheduler) overloads -> 3.x: Remove fromFuture(..., Scheduler) overloads #6814 IndexOutOfBoundsException (skipLast, takeLast, takeLastTimed) now throw IllegalArgumentException for param validation.skip(count) now throws IAE if count < 0Observable.concatMapIterable(Function, int) overload -> 3.x: Remove a pointless Observable.concatMapIterable overload #6837 combineLatestDelayError(array) to combineLatestArrayDelayError(array) -> 3.x: Rename to combineLatestArrayDelayError #6838 Single.equals to Single.sequenceEqualFlowable.buffer(openingIndicator) overloads -> 3.x: Verify the use of base interfaces in operator inputs & lambdas #6858 blockingSubscribe across -> 3.x: Add Maybe/Single/Completable blockingSubscribe #6862 Maybe.delayError(..., delayError) overload -> Adding delayError to Maybe.delay #6864 onErrorComplete across -> 3.x: Add onErrorComplete to Flowable, Observable and Single #6867 onErrorResumeWith across -> 3.x: Add Completable.onErrorResumeWith #6868 retryUntil -> 3.x: Add Single/Completable retryUntil + marbles #6869 switchOnNext[DelayError] to M/S/C -> 3.x: Add Maybe/Single/Completable switchOnNext & switchOnNextDelayError #6870 Maybe.dematerialize -> 3.x: Add Maybe.dematerialize #6871 fromAction, fromRunnable, fromMaybe, fromSingle, fromPublisher, fromObservable -> 3.x: Add many fromX operators + marbles #6873 fromAction and fromRunnable to not execute if cancelled upfront. -> 3.x: Add many fromX operators + marbles #6873 timeInterval and timestamp to M/S -> 3.x: Add timeInterval & timestamp to M/S #6874 toFuture to M/C ->3.x: Add Maybe/Completable toFuture #6875 ofType to M/S -> 3.x: Add Single.ofType #6876 doOnLifecycle to M/S/C -> 3.x: Add doOnLifecycle to Maybe, Single & Completable #6877 concatMapX missing across -> 3.x: Add concatMapX operators (aliases) #6879 concatMapXDelayError missing across -> 3.x: Add various concatXDelayError operators #6881 Single.mergeArrayX -> 3.x: Add Single.mergeArray & mergeArrayDelayError #6882 Completable.sequenceEqual -> 3.x: Add Completable.sequenceEqual #6884 startWith missing across -> 3.x: Add missing startWith overloads #6885 Completable.onErrorReturn[Item] -> 3.x: Add Completable.onErrorReturn[Item] #6886 safeSubscribe to M/S/C -> 3.x: Add safeSubscribe to Maybe, Single & Completable #6887 Maybe.flatMapSingle and Maybe.flatMapSingleElement -> 3.x: Swap Maybe.flatMapSingle and Maybe.flatMapSingleElement #6891 Single.flatMap(F, F) and Single.flatMap(F, Bi) operators -> 3.x: Reenable XFlatMapTest.maybeSingle, add missing Single operators #6893 concatEager(Iterator, int) and concatEagerDelayError across -> 3.x: Add concatEagerDelayError across #6899 as() into to() -> 3.x: Merge as() into to() #6514
Many code changes in 3.x can be done independently, but updating the new
What's Different in 3.x.mdwould conflict. This issue tracks which changes should be eventually described in the file:Supplierinterface -> 3.x: Widen functional interface throws, replace Callable with Supplier #6511Callableuse changed toSupplierin the API -> 3.x: Widen functional interface throws, replace Callable with Supplier #6511getValues()from various subjects and processors -> 3.x: remove getValues() from some subjects/processors #6516Maybe.defaultIfEmpty()returnsSingle-> 3.x: Various small API changes and removals #6517Maybe.toSingle(T)-> 3.x: Various small API changes and removals #6517Flowable.subscribe(4 args)-> 3.x: Various small API changes and removals #6517Observable.subscribe(4 args)-> 3.x: Various small API changes and removals #6517Single.toCompletable()-> 3.x: Various small API changes and removals #6517Completable.blockingGet()-> 3.x: Various small API changes and removals #6517ConnectableXredesign. -> 3.x: ConnectableFlowable/ConnetableObservabe redesign #6519startWith+1 tostartWithItem&startWithIterable-> 3.x: disambiguate startWith+1 to startWithItem & startWithIterable #6530replay()with eagerTruncate option -> 3.x: Add eager truncation to bounded replay() to avoid item retention #6532replay(Scheduler)and its variants. -> 3.x: remove no-arg dematerialize(); remove replay(Scheduler) variants #6539using()order of upstream dispose and resource dispose -> 3.x: Make using() resource disposal order consistent with eager-mode #6534concatMapwithScheduler-> 3.x: Add concatMap with Scheduler guaranteeing where the mapper runs #6538deserialize()-> 3.x: remove no-arg dematerialize(); remove replay(Scheduler) variants #6539onExceptionResumeNext()buffer(Supplier)andwindow(Supplier)variants.onErrorResumeNext(source)toonErrorResumeWith. -> Disambiguous some method call sites when calling from Kotlin #6551XOnSubscribeinterfaces. -> 3.x: widen throws on the XOnSubscribe interfaces #6579combineLatest(vararg)&combineLatestDelayError(vararg)-> 3.x: Remove vararg overloads for combineLatest in Observable + Flowable #6635zip(O(O))overload -> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638zipIterabletozip-> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638concatMapDelayErrorandconcatMapEagerDelayError-> 3.x: Rename zipIterable, remove zip(O(O)), adjust concatMapX arg order #6638combineLatestArray-> 3.x: Rename combineLatest methods that take an array to combineLatestArray #6640groupByabandoned group behavior change -> 3.x: Fix groupBy not canceling upstream due to group abandonment #6642Flowable.groupBysignalingMissingBackpressureExceptioninstead of possibly hanging -> 3.x: Change Flowable.groupBy to signal MBE instead of possibly hanging #6740Schedulers.from(Executor)-> 3.x: Add fair mode overload to Schedulers.from(Executor) #6744DisposableContainerpublic API -> 3.x: Make DisposableContainer public API #6745CompositeException::getCause()output and message -> 3.x: Change how the cause of CompositeException is generated #6748windowhandling abandoned inner windows -> 3.x: Fix Flowable.window (size, time) cancellation and abandonment #6758, 3.x: Fix Observable.window (size & time) cancellation and abandonment #6761, 3.x: Fix window (boundary, start/end) cancel and abandonment #6762Disposablesutility class inlined intoDisposable-> 3.x: Migrate Disposables static factories to Disposable interface #6781BehaviorProcessor,PublishProcessorandMulticastProcessoroffernull-check change. -> 3.x: XProcessor.offer to throw NPE immediately #6799MulticastProcessor.offernow throwsIllegalStateExceptionwhen called in fusion mode. -> 3.x: XProcessor.offer to throw NPE immediately #6799blockingForEach(Consumer, int)overloads -> 3.x: Add blockingForEach(Consumer, int) overload #6800fromFuture(..., Scheduler)overloads -> 3.x: Remove fromFuture(..., Scheduler) overloads #6814IndexOutOfBoundsException(skipLast,takeLast,takeLastTimed) now throwIllegalArgumentExceptionfor param validation.skip(count)now throws IAE if count < 0Observable.concatMapIterable(Function, int)overload -> 3.x: Remove a pointless Observable.concatMapIterable overload #6837combineLatestDelayError(array)tocombineLatestArrayDelayError(array)-> 3.x: Rename to combineLatestArrayDelayError #6838Single.equalstoSingle.sequenceEqualFlowable.buffer(openingIndicator)overloads -> 3.x: Verify the use of base interfaces in operator inputs & lambdas #6858blockingSubscribeacross -> 3.x: Add Maybe/Single/Completable blockingSubscribe #6862Maybe.delayError(..., delayError)overload -> Adding delayError to Maybe.delay #6864onErrorCompleteacross -> 3.x: Add onErrorComplete to Flowable, Observable and Single #6867onErrorResumeWithacross -> 3.x: Add Completable.onErrorResumeWith #6868retryUntil-> 3.x: Add Single/Completable retryUntil + marbles #6869switchOnNext[DelayError]to M/S/C -> 3.x: Add Maybe/Single/Completable switchOnNext & switchOnNextDelayError #6870Maybe.dematerialize-> 3.x: Add Maybe.dematerialize #6871fromAction,fromRunnable,fromMaybe,fromSingle,fromPublisher,fromObservable-> 3.x: Add many fromX operators + marbles #6873fromActionandfromRunnableto not execute if cancelled upfront. -> 3.x: Add many fromX operators + marbles #6873timeIntervalandtimestampto M/S -> 3.x: Add timeInterval & timestamp to M/S #6874toFutureto M/C ->3.x: Add Maybe/Completable toFuture #6875ofTypeto M/S -> 3.x: Add Single.ofType #6876doOnLifecycleto M/S/C -> 3.x: Add doOnLifecycle to Maybe, Single & Completable #6877concatMapXmissing across -> 3.x: Add concatMapX operators (aliases) #6879concatMapXDelayErrormissing across -> 3.x: Add various concatXDelayError operators #6881Single.mergeArrayX-> 3.x: Add Single.mergeArray & mergeArrayDelayError #6882Completable.sequenceEqual-> 3.x: Add Completable.sequenceEqual #6884startWithmissing across -> 3.x: Add missing startWith overloads #6885Completable.onErrorReturn[Item]-> 3.x: Add Completable.onErrorReturn[Item] #6886safeSubscribeto M/S/C -> 3.x: Add safeSubscribe to Maybe, Single & Completable #6887Maybe.flatMapSingleandMaybe.flatMapSingleElement-> 3.x: Swap Maybe.flatMapSingle and Maybe.flatMapSingleElement #6891Single.flatMap(F, F)andSingle.flatMap(F, Bi)operators -> 3.x: Reenable XFlatMapTest.maybeSingle, add missing Single operators #6893concatEager(Iterator, int)andconcatEagerDelayErroracross -> 3.x: Add concatEagerDelayError across #6899as()intoto()-> 3.x: Merge as() into to() #6514