v5.5.12

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v5.5.11

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v5.5.10

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v5.5.9

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v5.5.8

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v5.5.7

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v5.5.6

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Bug Fixes

• Observable: rethrow errors when syncErrorThrowable and inherit it from destination. Fixes #​2813 (541b49d)

v5.5.5

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Support Added

• Bazel: Add files to support users that want Bazel builds with RxJS (12dac3b)

v5.5.4

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Bug Fixes

• scheduler: resolve regression on angular router with zones (#​3158) (520b06a)
• publish: re-publish after having built with proper version of TypeScript. (f0ff5bc, closes#​3155)

v5.5.3

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Bug Fixes

• concatStatic: missing exports for mergeStatic and concatStatic (#​2999) (cae5f9b)
• scheduler: prevent unwanted clearInterval (#​3044) (7d722d4), closes #​3042
• SystemJS: avoid node module resolution of pipeable operators (#​3025) (d77e3d7), closes #​2971 #​2996 #​3011
• typings: fix subscribe overloads (#​3053) (1a9fd42), closes #​3052

v5.5.2

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Bug Fixes

• package: fixed import failures in Webpack (#​2987) (e16202d)
• typings: improved type inference for arguments to publishReplay (#​2992) (0753ff7), closes #​2991
• typings: ensure TS types for zip and combineLatest are properly inferred. (b8e6cf8)
• typings: publish variants will properly return ConnectableObservable(#​2983) (d563bfa)

v5.5.1

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Bug Fixes

• build: Remove module and es2015 keys to avoid resolution conflicts (5073139)
• ajaxobservable: fix operator import path (d9b62ed)

v5.5.0

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Bug Fixes

• build: CJS sourceMaps now inlined into sourcesContent (39b4af5), closes #​2934

Features

• publishReplay: add selector function to publishReplay (#​2885) (e0efd13)

v5.4.3

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Bug Fixes

• compilation: compiles under typescript 2.4.2 (#​2780) (d2a32f9)
• exports: add exports for missing static operators: generate, (08c4196)

v5.4.2

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Bug Fixes

• Notification: Don't reference this from static methods. (9f8e375)
• Subject: lift signature is now appropriate for stricter TypeScript 2.4 checks (#​2722) (9804de7)

v5.4.1

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Bug Fixes

• ajax: Only set timeout & responseType if request is asynchronous (#​2486) (380fbcf)
• audit: will now properly mirror source if durations are Observable.empty() (#​2595) (6ded82e)
• elementAt: will now properly unsubscribe when it completes or errors (#​2501) (a400cab)
• ErrorObservable: will now propagate errors properly when used in a catch after fromPromise. (#​2552) (cf88a20)
• groupBy: group duration notifiers will now properly unsubscribe and clean up (#​2662) (ab92083), closes #​2660 #​2661
• Observable: errors thrown in observer/handlers without an operator applied will no longer be swallowed (#​2626) (c250afc), closes #​2565
• reduce: type definitions overloads for TypeScript are now in proper order (#​2523) (ccc0647)
• Schedulers: Fix issue where canceling an asap or animationFrame action early could throw (#​2638) (fc39043)

v5.4.0

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Features

• shareReplay: adds shareReplay variant of publishReplay (#​2443) (5a2266a)
• skipLast: add skipLast operator (#​2316) (4ffbbe5), closes #​1404
• TypeScript: fromPromise accepts PromiseLike object (#​2505) (ade1fd5)

5.3.3 (2017-05-09)

Bug Fixes

• delayWhen: correctly handle synchronous duration observable (#​2589) (695f280), closes #​2587
• race: allow TypeScript support for array of observables other than rest param (#​2548) (ace553c)
• Subscriber: do not call complete with undefined value param (#​2559) (3d63de2)

(NOTE: 5.3.2 was a broken release and was removed)

5.3.1 (2017-05-02)

Bug Fixes

• AsyncAction: rescheduling an action with the same delay before it has executed will now schedule appropriately. (#​2580) (281760e)
• closure: make root.ts work with closure (#​2546) (0ecf55d)
• tests: add missing babel-polyfill to package.json (b277ce9), closes #​2261
• withLatestFrom: change from hot to cold observable in marble test (0c65446), closes #​2526

v5.3.3

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Bug Fixes

• delayWhen: correctly handle synchronous duration observable (#​2589) (695f280), closes #​2587
• race: allow TypeScript support for array of observables other than rest param (#​2548) (ace553c)
• Subscriber: do not call complete with undefined value param (#​2559) (3d63de2)

(NOTE: 5.3.2 was a broken release and was removed)

v5.3.1

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Bug Fixes

• AsyncAction: rescheduling an action with the same delay before it has executed will now schedule appropriately. (#​2580) (281760e)
• closure: make root.ts work with closure (#​2546) (0ecf55d)
• tests: add missing babel-polyfill to package.json (b277ce9), closes #​2261
• withLatestFrom: change from hot to cold observable in marble test (0c65446), closes #​2526

v5.3.0

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Bug Fixes

• catch: return type is now the union of input types (#​2478) (840def0)
• forEach: fix a temporal dead zone issue in forEach. (#​2474) (e9e9801)
• multicast: Ensure ConnectableObservables returned by multicast are state-isolated. (aaa9e6b)
• reduce: proper TypeScript signature overload ordering (#​2382) (f6a4951), closes #​2338
• SafeSubscriber: SafeSubscriber shouldn't mutate incoming Observers. (a1778e0)
• timeout: Cancels scheduled timeout, if no longer needed (3e9d529), closes #​2134 #​2244 #​2355 #​2347 #​2353 #​2254 #​2372 #​1301
• zipAll: complete when the source is empty (712fece)

Features

• delayWhen: add index to the selector function (5d6291e)
• symbol exports: symbols now also exported without $$ prefix to work with Babel UMD exporting (#​2435) (747bef6), closes #​2415

Performance Improvements

• bufferCount: optimize bufferCount operator (#​2359) (28d0883)

April Fools

• smooth: smooth() was never really a thing. Sorry, folks. :D

v5.2.0

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Bug Fixes

• ajax: will set withCredentials after open on XHR for IE10 (#​2332) (0ab1d3b)
• bindCallback: emit undefined when callback is without arguments (915a2a8)
• bindNodeCallback: emit undefined when callback has no success arguments (8b81fc6), closes #​2254
• bindNodeCallback: errors thrown in callback will be scheduled if a scheduler is provided (#​2344) (82ec4f1)
• concat: will now return Observable when given a single object implementing Symbol.observable (#​2387) (f5d035a)
• ErrorObservable: remove type constraint to error value (2f951cd), closes #​2395
• forkJoin: add type signature for single observable with selector (7983b91), closes #​2347
• merge: return Observable when called with single lowerCaseO (85752eb)
• mergeAll: introduce variant support <T, R> for mergeMap (656f2b3), closes #​2372
• single: predicate function receives indices starting at 0 (#​2396) (c81882f)
• subscribeToResult: accept array-like as result (14685ba)

Features

• webSocket: Add binaryType to config object (86acbd1), closes #​2353
• windowTime: maxWindowSize parameter in windowTime operator (381be3f), closes #​1301

5.1.1 (2017-02-13)

Bug Fixes

• bindCallback: input function context can now be properly set via output function (#​2319) (cb91c76)
• bindNodeCallback: input function context can now be properly set via output function (#​2320) (3ec315d)
• Subscription: fold ChildSubscription logic into Subscriber to prevent operators from leaking ChildSubscriptions. (#​2360) (22e4c17), closes #​2244 #​2355

v5.1.1

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Bug Fixes

• bindCallback: input function context can now be properly set via output function (#​2319) (cb91c76)
• bindNodeCallback: input function context can now be properly set via output function (#​2320) (3ec315d)
• Subscription: fold ChildSubscription logic into Subscriber to prevent operators from leaking ChildSubscriptions. (#​2360) (22e4c17), closes #​2244 #​2355

v5.1.0

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Bug Fixes

• catch: update the catch operator to dispose inner subscriptions if the catch subscription is di (#​2271) (8a1e089)
• combineLatest: Don't mutate array of observables passed to (#​2276) (9b73c46)
• ISubscription: update type definition of ISubscription::closed (#​2249) (0c304a2)
• Observable: Ensure the generic type of the Observer passed to Observable's initializer function is the same. (51a0bc1), closes #​2166
• Observable: errors thrown during subscription are now properly sent down error channel (#​2313) (d4a9aac), closes #​1833
• reduce: index will properly start at 1 if no seed is provided, to match native Array reduce behavior (30a4ca4), closes #​2290
• repeatWhen: resulting observable will wait for the source to complete, even if a hot notifier completes first. (#​2209) (c65a098), closes #​2054
• Subject: ensure subject properly throws ObjectUnsubscribedError when unsubscribed then resubscribed to (#​2318) (41489eb)
• TestScheduler: helper methods return proper types, HotObservable and ColdObservable instead of Observable (#​2305) (758aae9)
• windowTime: ensure windows created when only a timespan is passed are closed and cleaned up properly. (#​2278) (d4533c4)

Features

• fromEventPattern: support optional removeHandler (86960c2)
• fromEventPattern: support pass signal from addHandler to removeHandler (01d0622)

5.0.3 (2017-01-05)

Bug Fixes

• observeOn: seal memory leak involving old notifications (9664a38), closes #​2244
• Subscription: add will return Subscription that removes itself when unsubscribed (375d4a5)
• TypeScript: interfaces that accepted Scheduler now accept IScheduler interface (a0d28a8)

5.0.2 (2016-12-23)

Bug Fixes

• ajax: upload progress is now set correctly (#​2200) (1a83041)
• groupBy: Fix groupBy to dispose of outer subscription. (#​2201) (2269618)

5.0.1 (2016-12-13)

Bug Fixes

• TypeScript: pin to TypeScript 2.0.x, fix errors with Error subclassing (300504c)

v5.0.3

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Bug Fixes

• observeOn: seal memory leak involving old notifications (9664a38), closes #​2244
• Subscription: add will return Subscription that removes itself when unsubscribed (375d4a5)
• TypeScript: interfaces that accepted Scheduler now accept IScheduler interface (a0d28a8)

v5.0.2

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Bug Fixes

• ajax: upload progress is now set correctly (#​2200) (1a83041)
• groupBy: Fix groupBy to dispose of outer subscription. (#​2201) (2269618)

v5.0.1

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Bug Fixes

• TypeScript: pin to TypeScript 2.0.x, fix errors with Error subclassing (300504c)

v5.0.0

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Bug Fixes

• race: unsubscribe raced observables with immediate scheduler (#​2158) (7dd533b)
• SubscribeOnObservable: Add the source subscription to the action disposable so the source will (64e3815)

v5.0.0-rc.5

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Bug Fixes

• AjaxObservable: catch XHR send failures to observer (#​2159) (128fb9c)
• distinctKey: Removed accidental leftover reference of distinctKey (9fd8096), closes #​2161
• errors: Better error message when you return non-observable things, (#​2152) (86a909c), closes #​215
• event: uses Object.prototype.toString.call on objects (#​2143) (e036e79)
• typings: type guard support for last, first, find and filter. (5f2e849)

Features

• timeout: remove errorToSend argument, always throw TimeoutError (#​2172) (98ea3d2)

BREAKING CHANGES

• timeout: timeout no longer accepts the errorToSend argument

related #​2141

v5.0.0-rc.4

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Bug Fixes

• partition: handles thisArg as expected (#​2138) (6cf7296)
• timeout: throw traceable TimeoutError (#​2132) (9ebc46b)

v5.0.0-rc.3

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Bug Fixes

• typings: You no longer have to install the type definition for chai (#​2112)

Features

• filter: support type guards without casting (68b7922)
• find: support type guards without casting (9058bf6)
• first: support type guards without casting (3aa1988)
• last: support type guards without casting (07ecd5e)

v5.0.0-rc.2

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Bug Fixes

• AjaxObservable: remove needless type param R from AjaxObservable.getJSON() (#​2069) (0c3d4a4)
• bufferCount: will behave as expected when startBufferEvery is less than bufferSize (#​2076) (d13dbb4), closes #​2062
• build_docs: fix doc building (#​1974) (1bbbe8b)
• ErrorObservable: Add generic error type for ErrorObservable. (#​2071) (9df86ba)
• first: will now only emit one value in recursive cases (#​2100) (a047e7a), closes #​2098
• fromEvent: Throw if event target is invalid (#​2107) (147ce3e)
• IteratorObservable: clarify the return type of IteratorObservable.create() (#​2070) (4f0f865)
• IteratorObservable: Observables from generators will now finalize when subscription ends (22d286a), closes #​1938
• multicast: fix a bug that caused multicast to omit messages after termination (#​2021) (44fbc14)
• Notification: materialize output will now match Rx4 (#​2106) (c83bab9), closes #​2105
• Object.assign: stop polyfilling Object assign (#​2080) (b5f8ab3)
• Observable/Ajax: mount properties to origin readystatechange fn (#​2025) (76a9abb)
• operator/do: fix typings (9a40297)
• reduce/scan: both scan/reduce operators now accepts undefined itself as a valid seed (#​2050) (fee7585), closes #​2047
• ReplaySubject: observer now subscribed prior to running subscription function (#​2046) (fea08e9), closes #​2044
• sample: source is now subscribed to before the notifier (ffe99e8), closes #​2075
• Symbol.iterator: will not polyfill Symbol iterator unless Symbol exists (#​2082) (1138c99)
• typings: fixed Subject.lift to have the same shape as Observable.lift (b07f597)
• WebSocketSubject.prototype.multiplex: no longer nulls out socket after first unsubscribe (#​2039) (a5e9cfe), closes #​2037

Features

• distinct: remove distinctKey, distinct signature change and perf improvements (#​2049) (89612b2), closes #​2009
• groupBy: Adds subjectSelector argument to groupBy (#​2023) (f94ceb9)
• typescript: remove dependency to 3rd party es2015 definition (#​2027) (4c31974), closes #​2016

BREAKING CHANGES

• Notification: Notification.prototype.exception is now Notification.prototype.error to match Rx4 semantics
• Symbol.iterator: RxJS will no longer polyfill Symbol.iterator if Symbol does not exist. This may break code that inadvertently relies on this behavior
• Object.assign: RxJS will no longer polyfill Object.assign. It does
  not require Object.assign to function, however, your code may be
  inadvertently relying on this polyfill.
• AjaxObservable: Observable.ajax.getJSON() now only supports a single type parameter,
  getJSON<T>(url: string, headers?: Object): Observable<T>.
  The extra type parameter it accepted previously was superfluous.
• distinct: distinctKey has been removed. Use distinct
• distinct: distinct operator has changed, first argument is an
  optional keySelector. The custom compare function is no longer
  supported.

v5.0.0-rc.1

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Bug Fixes

• AjaxObservable: Fix for #​1921 exposed AjaxObservable unsubscription error calling xhr.abort(). (4d23f87)
• AnonymousSubject: is now exposed on Rx namespace (0a6f049), closes #​2002
• bufferTime: no errors with take after bufferTime with maxBufferSize (ecec640), closes #​1944
• docs: Fix esdoc for Observable.merge spread argument (b794e9b)
• Observer: fix Observable#subscribe() signature to suggest correct usable (459d2a2)
• operator: Fix take to complete when the source is re-entrant. (86615cb)
• root: find global context (window/self/global) in a more safe way (a098132), closes #​1930
• schedulers: Queue, Asap, and AnimationFrame Schedulers should be Async if delay > 0 (d5c682c)
• util/toSubscriber: Supplies the Subscriber constructor with emptyObserver as destination if no (8e7e4e3)
• WebSocketSubject: ensure all internal state properly reset when socket is nulled out (62d242e), closes #​1863

Features

• cache: remove cache operator (1b23ace)
• ES2015: stop publishing rxjs-es, ES2015 output no longer included in @reactivex/rxjs package under /dist/es6 (6be9968), closes #​1671
• filter: Observable.filter() can take type guard as the predicate function (d62fbf0)
• find: Observable.find() can take type guard as the predicate function (b952718)
• first: Observable.first() can take type guard as the predicate function (f99ca49)
• last: Observable.last() can take type guard as the predicate function (76a8a57)
• operators: Use lift in the operators that don't currently use lift. (68af9ef)
• TypeScript: update TypeScript to v2.0 (3478b0b)

BREAKING CHANGES

• cache: The .cache() operator has been removed, pending further discussion (1b23ace)
• ES2015: rxjs-es is no longer being published
• ES2015: @reactivex/rxjs no longer has /dist/es6 output

related #​2016
related #​1992

• package.json: TypeScript definitions are now for TS 2.0 and higher

Even if we use getter for class, they are marked with readonly properties
in d.ts.

• operators: Removes MulticastObservable subclass in favor of a MulticastOperator.