@reactivex/rxjs

<a name="5.0.0-beta.8"></a> # [5.0.0-beta.8](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.7...v5.0.0-beta.8) (2016-05-22) ### Bug Fixes * **AnonymousSubject:** allow anonymous observers as destination ([0e2c28b](https://github.com/ReactiveX/RxJS/commit/0e2c28b)) * **combineLatest:** rxjs/observable/combineLatest is now properly exported ([21fab73](https://github.com/ReactiveX/RxJS/commit/21fab73)), closes [#1722](https://github.com/ReactiveX/RxJS/issues/1722) * **ConnectableObservable:** fix race conditions in ConnectableObservable and refCount. ([d1412bc](https://github.com/ReactiveX/RxJS/commit/d1412bc)) * **Rx:** remove kitchenSink and DOM, let Rx export all ([f5090b4](https://github.com/ReactiveX/RxJS/commit/f5090b4)), closes [#1650](https://github.com/ReactiveX/RxJS/issues/1650) * **ScalarObservable:** set _isScalar to false when initialized with a scheduler ([5037b3a](https://github.com/ReactiveX/RxJS/commit/5037b3a)) * **Subject:** correct Subject behaviors to be more like Rx4 ([ba9ef2b](https://github.com/ReactiveX/RxJS/commit/ba9ef2b)) * **subscriptions:** fixes bug that tracked subscriber subscriptions twice. ([29ff794](https://github.com/ReactiveX/RxJS/commit/29ff794)) ### Features * **bufferTime:** add `maxBufferSize` optional argument ([cf45540](https://github.com/ReactiveX/RxJS/commit/cf45540)), closes [#1295](https://github.com/ReactiveX/RxJS/issues/1295) * **multicast:** subjectfactory allows selectors ([32fa3a4](https://github.com/ReactiveX/RxJS/commit/32fa3a4)) * **onErrorResumeNext:** add onErrorResumeNext operator ([51e022b](https://github.com/ReactiveX/RxJS/commit/51e022b)), closes [#1665](https://github.com/ReactiveX/RxJS/issues/1665) * **publish:** support optional selectors ([0e5991d](https://github.com/ReactiveX/RxJS/commit/0e5991d)), closes [#1629](https://github.com/ReactiveX/RxJS/issues/1629) ### Performance Improvements * **combineLatest:** avoid splice and indexOf ([33599cd](https://github.com/ReactiveX/RxJS/commit/33599cd)) ### BREAKING CHANGES * Subject: Subjects no longer duck-type as Subscriptions * Subject: Subjects will no longer throw when re-subscribed to if they are not unsubscribed * Subject: Subjects no longer automatically unsubscribe when completed or errored BREAKING CAHNGE: Minor scheduling changes to groupBy to ensure proper emission ordering * Rx: `Rx.kitchenSink` and `Rx.DOM` are removed, `Rx` export everything. <a name="5.0.0-beta.7"></a> # [5.0.0-beta.7](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.6...v5.0.0-beta.7) (2016-04-27) ### Bug Fixes * **race:** handle observables completes immediately ([abac3d1](https://github.com/ReactiveX/RxJS/commit/abac3d1)), closes [#1615](https://github.com/ReactiveX/RxJS/issues/1615) * **scan:** accumulator passes current index ([a3ec896](https://github.com/ReactiveX/RxJS/commit/a3ec896)), closes [#1614](https://github.com/ReactiveX/RxJS/issues/1614) ### Features * **Observable.generate:** add generate static creation method ([c03434c](https://github.com/ReactiveX/RxJS/commit/c03434c)) <a name="5.0.0-beta.6"></a> # [5.0.0-beta.6](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.5...v5.0.0-beta.6) (2016-04-12) ### Bug Fixes * **AjaxObservable:** support json responseType on IE ([bba13d8](https://github.com/ReactiveX/RxJS/commit/bba13d8)), closes [#1381](https://github.com/ReactiveX/RxJS/issues/1381) * **bufferToggle:** accepts closing selector returns promise ([b1c575c](https://github.com/ReactiveX/RxJS/commit/b1c575c)) * **bufferToggle:** accepts promise as openings ([3d22c7a](https://github.com/ReactiveX/RxJS/commit/3d22c7a)) * **bufferToggle:** handle closingSelector completes immediately ([02239fb](https://github.com/ReactiveX/RxJS/commit/02239fb)) * **typings:** explictly export typings for arguments to functions that destructure configuration objects ([ef305af](https://github.com/ReactiveX/RxJS/commit/ef305af)) ### Features * **UnsubscriptionError:** add messages from inner errors to output message ([dd01279](https://github.com/ReactiveX/RxJS/commit/dd01279)), closes [#1590](https://github.com/ReactiveX/RxJS/issues/1590) ### Performance Improvements * **DeferSubscriber:** split up 'tryDefer()' into a method to call a factory function. ([566f46b](https://github.com/ReactiveX/RxJS/commit/566f46b)) <a name="5.0.0-beta.5"></a> # [5.0.0-beta.5](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.4...v5.0.0-beta.5) (2016-04-05) ### Bug Fixes * **take:** make 'take' unsubscribe when it reaches the total ([9858aa3](https://github.com/ReactiveX/RxJS/commit/9858aa3)) ### BREAKING CHANGES * Operator: `Operator.prototype.call` has been refactored to include both the destination Subscriber, and the source Observable the Operator is now responsible for describing it's own subscription process. ([26423f4](https://github.com/ReactiveX/rxjs/pull/1570/commits/26423f4)) <a name="5.0.0-beta.4"></a> # [5.0.0-beta.4](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.3...v5.0.0-beta.4) (2016-03-29) ### Bug Fixes * **AjaxObservable:** enhance compatibility ([0ac7e1e](https://github.com/ReactiveX/RxJS/commit/0ac7e1e)) * **Observable.if:** accept promise as source ([147166e](https://github.com/ReactiveX/RxJS/commit/147166e)) * **mergeMap:** allow concurrent to be set as the second argument for mergeMap and mergeMapTo ([c003468](https://github.com/ReactiveX/RxJS/commit/c003468)) * **observable:** ensure the subscriber chain is complete before calling this._subscribe ([1631224](https://github.com/ReactiveX/RxJS/commit/1631224)) * **Symbol:** fixed issue where $$observable is not defined ([e66b2d8](https://github.com/ReactiveX/RxJS/commit/e66b2d8)) * **Observable.using:** accepts factory returns promise ([f8d7d1b](https://github.com/ReactiveX/RxJS/commit/f8d7d1b)) * **windowToggle:** handle closingSelector completes immediately ([c755587](https://github.com/ReactiveX/RxJS/commit/c755587)), closes [#1487](https://github.com/ReactiveX/RxJS/issues/1487) ### Features * **ajax:** add FormData support in AjaxObservable and add percent encoding for parameters ([1f6119c](https://github.com/ReactiveX/RxJS/commit/1f6119c)) * **Subscription:** `add()` now returns a Subscription reference ([a3f4552](https://github.com/ReactiveX/RxJS/commit/a3f4552)) * **timestamp:** add timestamp operator ([80b1646](https://github.com/ReactiveX/RxJS/commit/80b1646)), closes [#1515](https://github.com/ReactiveX/RxJS/issues/1515) ### Performance Improvements * **forkJoin:** improve forkJoin perf slightly by removing unnecessary context tracking ([280b985](https://github.com/ReactiveX/RxJS/commit/280b985)) ### BREAKING CHANGES * Observable: `Observable.fromArray` was removed since it's deprecated on RxJS 4. You should use `Observable.from` instead. <a name="5.0.0-beta.3"></a> # [5.0.0-beta.3](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.2...v5.0.0-beta.3) (2016-03-21) ### Bug Fixes * **AjaxObservable:** update type definition for AjaxObservable ([3f5c269](https://github.com/ReactiveX/RxJS/commit/3f5c269)), closes [#1382](https://github.com/ReactiveX/RxJS/issues/1382) * **deferObservable:** accepts factory returns promise ([0cb44e1](https://github.com/ReactiveX/RxJS/commit/0cb44e1)) * **do:** fix do operator to invoke observer message handlers in the right context. ([67a2f25](https://github.com/ReactiveX/RxJS/commit/67a2f25)) * **exhaustMap:** remove innersubscription when it completes ([7ca0859](https://github.com/ReactiveX/RxJS/commit/7ca0859)) * **forEach:** ensure that teardown logic is called when nextHandler throws ([c50f528](https://github.com/ReactiveX/RxJS/commit/c50f528)), closes [#1411](https://github.com/ReactiveX/RxJS/issues/1411) * **forkJoin:** accepts observables emitting null or undefined ([6279d6b](https://github.com/ReactiveX/RxJS/commit/6279d6b)), closes [#1362](https://github.com/ReactiveX/RxJS/issues/1362) * **forkJoin:** dispose the inner subscriptions when the outer subscription is disposed ([c7bf30c](https://github.com/ReactiveX/RxJS/commit/c7bf30c)) * **FutureAction:** add support for periodic scheduling with setInterval instead of setTimeout ([c4f5408](https://github.com/ReactiveX/RxJS/commit/c4f5408)) * **Observable:** introduce Subscribable interface that will be used instead of Observable in inpu ([2256e7b](https://github.com/ReactiveX/RxJS/commit/2256e7b)) * **Observable.prototype.forEach:** removed thisArg to match es-observable spec ([d5f1bcd](https://github.com/ReactiveX/RxJS/commit/d5f1bcd)) * **package.json:** install typings only after packages are installed ([a48d796](https://github.com/ReactiveX/RxJS/commit/a48d796)) * **Schedulers:** ensure schedulers can be reused after error in execution ([202b79a](https://github.com/ReactiveX/RxJS/commit/202b79a)) * **takeLast:** fix takeLast behavior to emit correct order ([73eb658](https://github.com/ReactiveX/RxJS/commit/73eb658)), closes [#1407](https://github.com/ReactiveX/RxJS/issues/1407) * **typings:** set map function parameter for Observable.from as optional ([efa4dc3](https://github.com/ReactiveX/RxJS/commit/efa4dc3)) ### Features * **AsyncScheduler:** add AsyncScheduler implementation ([4486c1f](https://github.com/ReactiveX/RxJS/commit/4486c1f)) * **if:** add static Observable.if creation operator. ([f7ff7ec](https://github.com/ReactiveX/RxJS/commit/f7ff7ec)) * **let:** adds the let operator to Rx.KitchenSink ([dca6504](https://github.com/ReactiveX/RxJS/commit/dca6504)) * **using:** add static Observable.using creation operator. ([6c76593](https://github.com/ReactiveX/RxJS/commit/6c76593)) ### BREAKING CHANGES * Observable.prototype.forEach: thisArg removed to match es-observable spec <a name="5.0.0-beta.2"></a> # [5.0.0-beta.2](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.1...v5.0.0-beta.2) (2016-02-10) ### Bug Fixes * **ajax:** fixes error in Chrome accessing responseText when responseType isn't text. ([f3e2f73](https://github.com/ReactiveX/RxJS/commit/f3e2f73)) * **benchpress:** fix issues with benchmarks ([16894bb](https://github.com/ReactiveX/RxJS/commit/16894bb)) * **every:** remove eager predicate calls ([74c2c44](https://github.com/ReactiveX/RxJS/commit/74c2c44)) * **forkJoin:** fix forkJoin to complete if sources Array is empty. ([412b13b](https://github.com/ReactiveX/RxJS/commit/412b13b)) * **groupBy:** does not emit on unsubscribed group ([6d08705](https://github.com/ReactiveX/RxJS/commit/6d08705)) * **groupBy:** fix groupBy to use lift(), supports composability ([815cfae](https://github.com/ReactiveX/RxJS/commit/815cfae)), closes [#1085](https://github.com/ReactiveX/RxJS/issues/1085) * **merge/concat:** passed scalar observables will now complete properly ([c01b92f](https://github.com/ReactiveX/RxJS/commit/c01b92f)), closes [#1150](https://github.com/ReactiveX/RxJS/issues/1150) * **MergeMapSubscriber:** clarify type definitions for MergeMapSubscriber's members ([4ee5f02](https://github.com/ReactiveX/RxJS/commit/4ee5f02)) * **Observable.forEach:** errors thrown in nextHandler reject returned promise ([c5ead88](https://github.com/ReactiveX/RxJS/commit/c5ead88)), closes [#1184](https://github.com/ReactiveX/RxJS/issues/1184) * **Observer:** fix typing to allow observation via partial observables with PartialObservable<T ([7b6da90](https://github.com/ReactiveX/RxJS/commit/7b6da90)) * **Subject:** align parameter order to match with RxJS4 ([44dfa07](https://github.com/ReactiveX/RxJS/commit/44dfa07)), closes [#1285](https://github.com/ReactiveX/RxJS/issues/1285) * **Subject:** throw ObjectUnsubscribedError when unsubscribed ([29b630b](https://github.com/ReactiveX/RxJS/commit/29b630b)), closes [#859](https://github.com/ReactiveX/RxJS/issues/859) * **Subscriber:** adds unsubscription when errors are thrown from user-land handlers. ([dc67d21](https://github.com/ReactiveX/RxJS/commit/dc67d21)) * **Subscription:** fix leaks caused by unsubscribe functions that throw ([9e88c2e](https://github.com/ReactiveX/RxJS/commit/9e88c2e)) * **subscriptions:** unsubscribe correctly when a Subscriber throws during synchronous dispatch. ([b1698fe](https://github.com/ReactiveX/RxJS/commit/b1698fe)) * **typings:** don't expose PromiseConstructor dependency ([f59225b](https://github.com/ReactiveX/RxJS/commit/f59225b)), closes [#1270](https://github.com/ReactiveX/RxJS/issues/1270) * **typings:** remove R from Operator.call, update operators accordingly ([f27902d](https://github.com/ReactiveX/RxJS/commit/f27902d)) * **typings:** remove redundant generics from call<T, R> and lift<T, R> ([603c9eb](https://github.com/ReactiveX/RxJS/commit/603c9eb)) * **windowTime:** does not emit on unsubscribed window ([595f4ef](https://github.com/ReactiveX/RxJS/commit/595f4ef)) ### Features * **cache:** add cache operator ([4308a04](https://github.com/ReactiveX/RxJS/commit/4308a04)) * **delayWhen:** add delayWhen operator ([17122f9](https://github.com/ReactiveX/RxJS/commit/17122f9)) * **distinct:** add distinct operator ([94a034d](https://github.com/ReactiveX/RxJS/commit/94a034d)) * **distinctKey:** add distinctKey operator ([fe4d57f](https://github.com/ReactiveX/RxJS/commit/fe4d57f)) * **from:** allow Observable.from to handle array-like objects ([7245005](https://github.com/ReactiveX/RxJS/commit/7245005)) * **MapPolyfill:** implement clear interface ([e3fbd05](https://github.com/ReactiveX/RxJS/commit/e3fbd05)) * **operator:** adds inspect and inspectTime operators ([54f957b](https://github.com/ReactiveX/RxJS/commit/54f957b)) * **OuterSubscriber:** notifyNext passes innersubscriber when next emits ([1df8928](https://github.com/ReactiveX/RxJS/commit/1df8928)), closes [#1250](https://github.com/ReactiveX/RxJS/issues/1250) * **Subject:** implement asObservable ([aca3dd0](https://github.com/ReactiveX/RxJS/commit/aca3dd0)), closes [#1108](https://github.com/ReactiveX/RxJS/issues/1108) * **takeLast:** adds takeLast operator. ([3583cd3](https://github.com/ReactiveX/RxJS/commit/3583cd3)) ### Performance Improvements * **catch:** remove tryCatch/errorObject for custom tryCatching, 1.3M -> 1.5M ops/sec ([35caf74](https://github.com/ReactiveX/RxJS/commit/35caf74)) * **combineLatest:** remove tryCatch/errorObject, 156k -> 221k ops/sec ([1c7d639](https://github.com/ReactiveX/RxJS/commit/1c7d639)) * **count:** remove tryCatch/errorObject for custom tryCatching, 1.84M -> 1.97M ops/sec ([869718d](https://github.com/ReactiveX/RxJS/commit/869718d)) * **debounce:** remove tryCatch/errorObject for custom tryCatching ([90bf3f1](https://github.com/ReactiveX/RxJS/commit/90bf3f1)) * **distinct:** increase perf from 60% of Rx4 to 1000% Rx4 ([d026c41](https://github.com/ReactiveX/RxJS/commit/d026c41)) * **do:** remove tryCatch/errorObject use, 104k -> 263k ops/sec improvement ([ccba39d](https://github.com/ReactiveX/RxJS/commit/ccba39d)) * **every:** remove tryCatch/errorObject (~1.8x improvement) ([14afeb6](https://github.com/ReactiveX/RxJS/commit/14afeb6)) * **exhaustMap:** remove tryCatch/errorObject (~10% improvement) ([a55f459](https://github.com/ReactiveX/RxJS/commit/a55f459)) * **filter:** remove tryCatch/errorObject for 2x perf improvement ([086c4bf](https://github.com/ReactiveX/RxJS/commit/086c4bf)) * **find:** remove tryCatch/errorObject (~2x improvement) ([aa35b2a](https://github.com/ReactiveX/RxJS/commit/aa35b2a)) * **first:** remove tryCatch/errorObject for custom tryCatching, 970k ops -> 1.27M ops/sec ([d8c835a](https://github.com/ReactiveX/RxJS/commit/d8c835a)) * **groupBy:** remove tryCatch/errorObject for custom tryCatching, 38% faster. ([40c43f7](https://github.com/ReactiveX/RxJS/commit/40c43f7)) * **last:** remove tryCatch/errorObject for custom tryCatching, 960k -> 1.38M ops/sec ([243ace3](https://github.com/ReactiveX/RxJS/commit/243ace3)) * **map:** 2x increase from removing tryCatch/errorObject ([231f729](https://github.com/ReactiveX/RxJS/commit/231f729)) * **mergeMap:** extra 1x factor gains from custom tryCatch member function ([c4ce2fb](https://github.com/ReactiveX/RxJS/commit/c4ce2fb)) * **mergeMapTo:** remove tryCatch/errorObject (~2x improvement) ([42bcced](https://github.com/ReactiveX/RxJS/commit/42bcced)) * **reduce:** remove tryCatch/errorObject, optimize calls, 2-3x perf improvement ([6186d46](https://github.com/ReactiveX/RxJS/commit/6186d46)) * **scan:** remove tryCatch/errorObject for custom tryCatcher 1.75x improvement ([338135d](https://github.com/ReactiveX/RxJS/commit/338135d)) * **single:** remove tryCatch/errorObject (~2.5x improvement) ([2515cfb](https://github.com/ReactiveX/RxJS/commit/2515cfb)) * **skipWhile:** remove tryCatch/errorObject (~1.6x improvement) ([cf002db](https://github.com/ReactiveX/RxJS/commit/cf002db)) * **Subscriber:** double performance adding tryOrUnsub to Subscriber ([4e75466](https://github.com/ReactiveX/RxJS/commit/4e75466)) * **switchMap:** remove tryCatch/errorObject ~20% improvement ([ec0199f](https://github.com/ReactiveX/RxJS/commit/ec0199f)) * **switchMapTo:** remove tryCatch/errorObject (~2x improvement) ([c8cf72a](https://github.com/ReactiveX/RxJS/commit/c8cf72a)) * **takeWhile:** remove tryCatch/errorObject (~6x improvement) ([ef6c3c3](https://github.com/ReactiveX/RxJS/commit/ef6c3c3)) * **withLatestFrom:** remove tryCatch/errorObject, 92k -> 107k (16% improvement) ([e4ccb44](https://github.com/ReactiveX/RxJS/commit/e4ccb44)) * **zip:** extra 1x-2x factor gains from custom tryCatch member function ([a1b0e52](https://github.com/ReactiveX/RxJS/commit/a1b0e52)) ### BREAKING CHANGES * Subject: Subject.create arguments have been swapped to match Rx 4 signature. `Subject.create(observable, observer)` is now `Subject.create(observer, observable)` * Observable patching: Patch files for static observable methods such as `of` and `from` can now be found in `rxjs/add/observable/of`, `rxjs/add/observable/from`, etc. * Observable modules: Observable modules for subclassed Observables like `PromiseObservable`, `ArrayObservable` are now in appropriately named files like `rxjs/observable/PromiseObservable` and `rxjs/observable/ArrayObservable` as opposed to `rxjs/observable/fromPromise` and `rxjs/observable/fromArray`, since they're not patching, they simply house the Observable implementations. <a name="5.0.0-beta.1"></a> # [5.0.0-beta.1](https://github.com/ReactiveX/RxJS/compare/5.0.0-beta.0...v5.0.0-beta.1) (2016-01-13) ### Bug Fixes * **ajax:** ensure post sending values ([7aae0a3](https://github.com/ReactiveX/RxJS/commit/7aae0a3)) * **ajax:** ensure that headers are set properly ([1100bdd](https://github.com/ReactiveX/RxJS/commit/1100bdd)) * **ajax:** ensure XHR props are set after open ([4a6a579](https://github.com/ReactiveX/RxJS/commit/4a6a579)) * **ajax:** ensure XHR send is being called ([c569e3e](https://github.com/ReactiveX/RxJS/commit/c569e3e)) * **ajax:** remove unnecessary onAbort handling ([ed8240e](https://github.com/ReactiveX/RxJS/commit/ed8240e)) * **ajax:** response properly based off responseType ([b2a27a2](https://github.com/ReactiveX/RxJS/commit/b2a27a2)) * **ajax:** should no longer succeed on 300 status ([4d4fa32](https://github.com/ReactiveX/RxJS/commit/4d4fa32)) * **animationFrame:** req/cancel animationFrame has to be called within the context of root. ([30a11ee](https://github.com/ReactiveX/RxJS/commit/30a11ee)) * **debounceTime:** align value emit behavior as same as RxJS4 ([5ee11e0](https://github.com/ReactiveX/RxJS/commit/5ee11e0)), closes [#1081](https://github.com/ReactiveX/RxJS/issues/1081) * **distinctUntilChanged:** implement optional keySelector ([f6a897c](https://github.com/ReactiveX/RxJS/commit/f6a897c)) * **fromEvent:** added spread operator for emitters that pass multiple arguments ([3f8eabb](https://github.com/ReactiveX/RxJS/commit/3f8eabb)) * **fromObservable:** expand compatibility for iterating string source ([8f7924f](https://github.com/ReactiveX/RxJS/commit/8f7924f)), closes [#1147](https://github.com/ReactiveX/RxJS/issues/1147) * **Immediate:** update setImmediate compatibility on IE ([39e6c0e](https://github.com/ReactiveX/RxJS/commit/39e6c0e)), closes [#1163](https://github.com/ReactiveX/RxJS/issues/1163) * **inspect:** remove inspect and inspectTime operators ([17341a4](https://github.com/ReactiveX/RxJS/commit/17341a4)) * **Readme:** update link to bundle on npmcdn ([44a8ca7](https://github.com/ReactiveX/RxJS/commit/44a8ca7)) * **ReplaySubject:** Fix case-sensitive import. ([de31f32](https://github.com/ReactiveX/RxJS/commit/de31f32)) * **ScalarObservable:** fix issue where scalar map fired twice ([c18c42e](https://github.com/ReactiveX/RxJS/commit/c18c42e)), closes [#1142](https://github.com/ReactiveX/RxJS/issues/1142) [#1140](https://github.com/ReactiveX/RxJS/issues/1140) * **scheduling:** Fixes bugs in scheduled actions. ([e050f01](https://github.com/ReactiveX/RxJS/commit/e050f01)) * **Subscriber:** errors in nextHandler no longer propagate to errorHandler ([f42eed2](https://github.com/ReactiveX/RxJS/commit/f42eed2)), closes [#1135](https://github.com/ReactiveX/RxJS/issues/1135) * **WebSocketSubject:** ensure error codes passed to WebSocket close method ([3b1655e](https://github.com/ReactiveX/RxJS/commit/3b1655e)) * **WebSocketSubject:** ensure WebSocketSubject can be resubscribed ([861a0c1](https://github.com/ReactiveX/RxJS/commit/861a0c1)) * **WebSocketSubject:** resultSelector and protocols specifications work properly ([580f69a](https://github.com/ReactiveX/RxJS/commit/580f69a)) ### Features * **ajax:** add resultSelector and improve perf ([6df755f](https://github.com/ReactiveX/RxJS/commit/6df755f)) * **ajax:** adds ajax methods from rx-dom. ([2ca4236](https://github.com/ReactiveX/RxJS/commit/2ca4236)) * **bindNodeCallback:** add Observable.bindNodeCallback ([497bb0d](https://github.com/ReactiveX/RxJS/commit/497bb0d)), closes [#736](https://github.com/ReactiveX/RxJS/issues/736) * **Observable:** add let to allow fluent style query building ([5a2014c](https://github.com/ReactiveX/RxJS/commit/5a2014c)) * **Observable:** add pairwise operator ([1432e59](https://github.com/ReactiveX/RxJS/commit/1432e59)) * **Operator:** Expose the Operator interface to library consumers ([29aa3af](https://github.com/ReactiveX/RxJS/commit/29aa3af)) * **pluck:** add pluck operator ([8026906](https://github.com/ReactiveX/RxJS/commit/8026906)), closes [#1134](https://github.com/ReactiveX/RxJS/issues/1134) * **race:** add race operator ([ee3b593](https://github.com/ReactiveX/RxJS/commit/ee3b593)) * **scheduler:** adds animationFrame scheduler. ([e637b78](https://github.com/ReactiveX/RxJS/commit/e637b78)) * **WebSocketSubject:** add basic WebSocketSubject implementation ([58cd806](https://github.com/ReactiveX/RxJS/commit/58cd806)) * **WebSocketSubject.multiplex:** add multiplex operator to WebSocketSubject ([904d617](https://github.com/ReactiveX/RxJS/commit/904d617)) ### BREAKING CHANGES * inspect: `inspect` and `inspectTime` were removed. Use `withLatestFrom` instead. * Subscriber/Observable: errors thrown in nextHandlers by consumer code will no longer propagate to the errorHandler. <a name="5.0.0-beta.0"></a> # [5.0.0-beta.0](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.14...v5.0.0-beta.0) (2015-12-15) ### Bug Fixes * **micro-perf:** rename immediate to queue scheduler ([fe56b28](https://github.com/ReactiveX/RxJS/commit/fe56b28)), closes [#1040](https://github.com/ReactiveX/RxJS/issues/1040) * **micro-perf:** use the correnct scheduler on current-thread tests ([3dff5eb](https://github.com/ReactiveX/RxJS/commit/3dff5eb)) * **operators:** emit declarations for patch modules ([676f82d](https://github.com/ReactiveX/RxJS/commit/676f82d)) * **test:** make explicit unsubscription for observable ([7f67b09](https://github.com/ReactiveX/RxJS/commit/7f67b09)) * **test:** make explicit unsubscription for observable ([65e65e2](https://github.com/ReactiveX/RxJS/commit/65e65e2)) * **window:** fix window() to dispose window Subjects ([5168f73](https://github.com/ReactiveX/RxJS/commit/5168f73)) * **windowCount:** fix windowCount to dispose window Subjects ([f29ee29](https://github.com/ReactiveX/RxJS/commit/f29ee29)) * **windowTime:** fix windowTime to dispose window Subjects ([b73e260](https://github.com/ReactiveX/RxJS/commit/b73e260)) * **windowToggle:** fix windowToggle to dispose window Subjects ([15ff3f7](https://github.com/ReactiveX/RxJS/commit/15ff3f7)) * **windowWhen:** fix windowWhen to dispose window Subjects ([91c1941](https://github.com/ReactiveX/RxJS/commit/91c1941)) ### Features * **inspect:** added inspect operator ([f9944ae](https://github.com/ReactiveX/RxJS/commit/f9944ae)) * **inspectTime:** add inspectTime operator ([6835dcd](https://github.com/ReactiveX/RxJS/commit/6835dcd)) * **sample:** readd `sample` operator ([e93bffc](https://github.com/ReactiveX/RxJS/commit/e93bffc)) * **sampleTime:** reimplement `sampleTime` with RxJS 4 behavior ([6b77e69](https://github.com/ReactiveX/RxJS/commit/6b77e69)) * **TestScheduler:** add createTime() parser to return number ([cb8cf6b](https://github.com/ReactiveX/RxJS/commit/cb8cf6b)) ### BREAKING CHANGES * sampleTime: `sampleTime` now has the same behavior `sample(number, scheduler)` did in RxJS 4 * sample: `sample` behavior returned to RxJS 4 behavior * inspectTime: `sampleTime` is now `inspectTime` * inspect: RxJS 5 `sample` behavior is now `inspect` * extended operators: All extended operators are now under the same operator directory as all others. This means that `import "rxjs/add/operator/extended/min"` is now `import "rxjs/add/operator/min"` <a name="5.0.0-alpha.14"></a> # [5.0.0-alpha.14](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.13...v5.0.0-alpha.14) (2015-12-09) ### Bug Fixes * **every:** handle thisArg for scalar and array observables ([eae4b00](https://github.com/ReactiveX/RxJS/commit/eae4b00)) * **SymbolShim:** ensure for function even if Symbol already exists ([e942776](https://github.com/ReactiveX/RxJS/commit/e942776)), closes [#999](https://github.com/ReactiveX/RxJS/issues/999) * **SymbolShim:** Symbol polyfill is a function ([1f57157](https://github.com/ReactiveX/RxJS/commit/1f57157)), closes [#988](https://github.com/ReactiveX/RxJS/issues/988) * **timeoutWith:** fix to avoid unnecessary inner subscription ([6e63752](https://github.com/ReactiveX/RxJS/commit/6e63752)) ### Features * **count:** remove thisArg ([878a1fd](https://github.com/ReactiveX/RxJS/commit/878a1fd)) * **distinctUntilChanged:** remove thisArg ([bfc52d6](https://github.com/ReactiveX/RxJS/commit/bfc52d6)) * **exhaust:** rename switchFirst operators to exhaust ([9b565c9](https://github.com/ReactiveX/RxJS/commit/9b565c9)), closes [#915](https://github.com/ReactiveX/RxJS/issues/915) * **finally:** remove thisArg ([d4b02fc](https://github.com/ReactiveX/RxJS/commit/d4b02fc)) * **forEach:** add thisArg ([14ffce6](https://github.com/ReactiveX/RxJS/commit/14ffce6)), closes [#878](https://github.com/ReactiveX/RxJS/issues/878) * **single:** remove thisArg ([43af805](https://github.com/ReactiveX/RxJS/commit/43af805)) ### BREAKING CHANGES * exhaust: switchFirst is now exhaust * exhaust: switchFirstMap is now exhaustMap * forEach: Observable.prototype.forEach argument order changed to accommodate thisArg. Optional PromiseCtor argument moved to third arg from second <a name="5.0.0-alpha.13"></a> # [5.0.0-alpha.13](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.12...v5.0.0-alpha.13) (2015-12-08) ### Bug Fixes * **Observable:** fix circular dependency issue. ([b7672f4](https://github.com/ReactiveX/RxJS/commit/b7672f4)) * **bufferToggle:** fix unsubscriptions of closing Observable ([439b641](https://github.com/ReactiveX/RxJS/commit/439b641)) * **expand:** accept scheduler parameter ([79e9084](https://github.com/ReactiveX/RxJS/commit/79e9084)), closes [#841](https://github.com/ReactiveX/RxJS/issues/841) * **publish:** make script generate correct package names ([10563d3](https://github.com/ReactiveX/RxJS/commit/10563d3)) * **repeat:** preserve Subscriber chain in repeat() ([d9a7328](https://github.com/ReactiveX/RxJS/commit/d9a7328)) * **retry:** preserve Subscriber chain in retry() ([b429dac](https://github.com/ReactiveX/RxJS/commit/b429dac)) * **retryWhen:** preserve Subscriber chain in retryWhen() ([c9cb958](https://github.com/ReactiveX/RxJS/commit/c9cb958)) ### Features * **AsapScheduler:** rename NextTickScheduler to AsapScheduler ([3255fb3](https://github.com/ReactiveX/RxJS/commit/3255fb3)), closes [#838](https://github.com/ReactiveX/RxJS/issues/838) * **BehaviorSubject:** add getValue method to access value ([33b387b](https://github.com/ReactiveX/RxJS/commit/33b387b)), closes [#758](https://github.com/ReactiveX/RxJS/issues/758) * **BehaviorSubject:** now throws when getValue is called after unsubscription ([1ddf116](https://github.com/ReactiveX/RxJS/commit/1ddf116)) * **ObjectUnsubscribedError:** add ObjectUnsubscribed error class ([39836af](https://github.com/ReactiveX/RxJS/commit/39836af)) * **Observable:** subscribe accepts objects with rxSubscriber symbol ([b7672f4](https://github.com/ReactiveX/RxJS/commit/b7672f4)) * **QueueScheduler:** rename ImmediateScheduler to QueueScheduler ([66eb537](https://github.com/ReactiveX/RxJS/commit/66eb537)) * **Rx.Symbol.rxSubscriber:** add rxSubscriber symbol ([d4f1670](https://github.com/ReactiveX/RxJS/commit/d4f1670)) * **Subject:** add rxSubscriber symbol ([d2e4257](https://github.com/ReactiveX/RxJS/commit/d2e4257)) * **Subscriber:** add rxSubscriber symbol ([7bda360](https://github.com/ReactiveX/RxJS/commit/7bda360)) * **switchFirstMap:** rename switchMapFirst to switchFirstMap ([eddd4dc](https://github.com/ReactiveX/RxJS/commit/eddd4dc)) ### BREAKING CHANGES * AsapScheduler: `Rx.Scheduler.nextTick` (Rx 4's "default" scheduler) is now `Rx.Scheduler.asap` * QueueScheduler: `Rx.Scheduler.immediate` (Rx 4's "currentThread" scheduler) is now `Rx.Scheduler.queue` related #838 * switchFirstMap: `switchMapFirst` is now `switchFirstMap` <a name="5.0.0-alpha.12"></a> # [5.0.0-alpha.12](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.10...v5.0.0-alpha.12) (2015-12-04) ### Bug Fixes * **AsyncSubject:** emit value when it's subscribed after complete ([ed0eaf6](https://github.com/ReactiveX/RxJS/commit/ed0eaf6)) * **bindCallback:** only call function once even while scheduled ([8637d47](https://github.com/ReactiveX/RxJS/commit/8637d47)), closes [#881](https://github.com/ReactiveX/RxJS/issues/881) * **bufferToggle:** fix disposal of subscriptions when errors occur ([a20325c](https://github.com/ReactiveX/RxJS/commit/a20325c)) * **catch:** fix catch to dispose old subscriptions ([280f7ed](https://github.com/ReactiveX/RxJS/commit/280f7ed)), closes [#763](https://github.com/ReactiveX/RxJS/issues/763) * **catch:** fix catch() to preserve Subscriber chain ([e1447ac](https://github.com/ReactiveX/RxJS/commit/e1447ac)) * **concat:** accept scheduler parameter ([8859702](https://github.com/ReactiveX/RxJS/commit/8859702)) * **ConnectableObservable:** fix ConnectableObservable connectability and refCounting ([aef9578](https://github.com/ReactiveX/RxJS/commit/aef9578)), closes [#678](https://github.com/ReactiveX/RxJS/issues/678) * **debounce:** Fix debounce to unsubscribe duration Observables ([dea7847](https://github.com/ReactiveX/RxJS/commit/dea7847)) * **expand:** fix expand's concurrency behavior ([01f86e5](https://github.com/ReactiveX/RxJS/commit/01f86e5)) * **expand:** terminate recursive call when destination completes ([3b8cf94](https://github.com/ReactiveX/RxJS/commit/3b8cf94)) * **Observable:** Subjects no longer wrapped in Subscriber ([5cb0f2b](https://github.com/ReactiveX/RxJS/commit/5cb0f2b)), closes [#825](https://github.com/ReactiveX/RxJS/issues/825) [#748](https://github.com/ReactiveX/RxJS/issues/748) * **Observer:** anonymous observers now allow missing handlers ([a11c763](https://github.com/ReactiveX/RxJS/commit/a11c763)), closes [#723](https://github.com/ReactiveX/RxJS/issues/723) * **operators:** Remove shareReplay and shareBehavior ([536a6a6](https://github.com/ReactiveX/RxJS/commit/536a6a6)), closes [#710](https://github.com/ReactiveX/RxJS/issues/710) * **publish:** copy readme and license, remove scripts ([439a2f3](https://github.com/ReactiveX/RxJS/commit/439a2f3)), closes [#845](https://github.com/ReactiveX/RxJS/issues/845) * **throttleTime:** fix and rename throttleTime operator ([3b0c1f3](https://github.com/ReactiveX/RxJS/commit/3b0c1f3)) * **TimerObservable:** accepts absolute date for dueTime ([e284fb8](https://github.com/ReactiveX/RxJS/commit/e284fb8)), closes [#648](https://github.com/ReactiveX/RxJS/issues/648) ### Features * **AsyncSubject:** add AsyncSubject ([34c05fe](https://github.com/ReactiveX/RxJS/commit/34c05fe)) * **bindCallback:** remove thisArg ([feea9a1](https://github.com/ReactiveX/RxJS/commit/feea9a1)) * **bindCallback:** rename fromCallback to bindCallback ([305d66d](https://github.com/ReactiveX/RxJS/commit/305d66d)), closes [#876](https://github.com/ReactiveX/RxJS/issues/876) * **callback:** Add Observable.fromCallback ([9f751e7](https://github.com/ReactiveX/RxJS/commit/9f751e7)) * **combineLatest:** accept array of observable as parameter ([2edd92c](https://github.com/ReactiveX/RxJS/commit/2edd92c)), closes [#594](https://github.com/ReactiveX/RxJS/issues/594) * **forkJoin:** accept array of observable as parameter ([d45f672](https://github.com/ReactiveX/RxJS/commit/d45f672)) * **mergeScan:** support concurrency parameter for mergeScan ([fe0eb37](https://github.com/ReactiveX/RxJS/commit/fe0eb37)), closes [#868](https://github.com/ReactiveX/RxJS/issues/868) * **usage:** add auto-patching operators ([1ab3508](https://github.com/ReactiveX/RxJS/commit/1ab3508)), closes [#860](https://github.com/ReactiveX/RxJS/issues/860) * **skipWhile:** add skipWhile operator ([a2244e0](https://github.com/ReactiveX/RxJS/commit/a2244e0)) * **switchFirst:** add switchFirst and switchMapFirst ([71e3dd1](https://github.com/ReactiveX/RxJS/commit/71e3dd1)) * **publishLast:** add publishLast operator ([9bef228](https://github.com/ReactiveX/RxJS/commit/9bef228)), closes [#883](https://github.com/ReactiveX/RxJS/issues/883) * **takeWhile:** add takeWhile operator ([48e53ea](https://github.com/ReactiveX/RxJS/commit/48e53ea)), closes [#695](https://github.com/ReactiveX/RxJS/issues/695) * **takeWhile:** remove thisArg ([b5219a4](https://github.com/ReactiveX/RxJS/commit/b5219a4)) * **throttle:** add throttle operator with durationSelector ([c3bf3e7](https://github.com/ReactiveX/RxJS/commit/c3bf3e7)), closes [#496](https://github.com/ReactiveX/RxJS/issues/496) ### Performance Improvements * **ReplaySubject:** fix memory leak of growing buffer ([0a73b4d](https://github.com/ReactiveX/RxJS/commit/0a73b4d)), closes [#578](https://github.com/ReactiveX/RxJS/issues/578) <a name="5.0.0-alpha.11"></a> # [5.0.0-alpha.11](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.10...v5.0.0-alpha.11) (2015-12-01) ### Bug Fixes * **catch:** fix catch to dispose old subscriptions ([280f7ed](https://github.com/ReactiveX/RxJS/commit/280f7ed)), closes [#763](https://github.com/ReactiveX/RxJS/issues/763) * **concat:** accept scheduler parameter ([8859702](https://github.com/ReactiveX/RxJS/commit/8859702)) * **ConnectableObservable:** fix ConnectableObservable connectability and refCounting ([aef9578](https://github.com/ReactiveX/RxJS/commit/aef9578)), closes [#678](https://github.com/ReactiveX/RxJS/issues/678) * **debounce:** Fix debounce to unsubscribe duration Observables ([dea7847](https://github.com/ReactiveX/RxJS/commit/dea7847)) * **expand:** fix expand's concurrency behavior ([01f86e5](https://github.com/ReactiveX/RxJS/commit/01f86e5)) * **expand:** terminate recursive call when destination completes ([3b8cf94](https://github.com/ReactiveX/RxJS/commit/3b8cf94)) * **Observer:** anonymous observers now allow missing handlers ([a11c763](https://github.com/ReactiveX/RxJS/commit/a11c763)), closes [#723](https://github.com/ReactiveX/RxJS/issues/723) * **operators:** Remove shareReplay and shareBehavior ([536a6a6](https://github.com/ReactiveX/RxJS/commit/536a6a6)), closes [#710](https://github.com/ReactiveX/RxJS/issues/710) * **test:** make explicit unsubscription for observable ([505f5b7](https://github.com/ReactiveX/RxJS/commit/505f5b7)) * **throttleTime:** fix and rename throttleTime operator ([3b0c1f3](https://github.com/ReactiveX/RxJS/commit/3b0c1f3)) * **TimerObservable:** accepts absolute date for dueTime ([e284fb8](https://github.com/ReactiveX/RxJS/commit/e284fb8)), closes [#648](https://github.com/ReactiveX/RxJS/issues/648) ### Features * **callback:** Add Observable.fromCallback ([9f751e7](https://github.com/ReactiveX/RxJS/commit/9f751e7)) * **combineLatest:** accept array of observable as parameter ([2edd92c](https://github.com/ReactiveX/RxJS/commit/2edd92c)), closes [#594](https://github.com/ReactiveX/RxJS/issues/594) * **forkJoin:** accept array of observable as parameter ([d45f672](https://github.com/ReactiveX/RxJS/commit/d45f672)) * **operator:** add skipWhile operator ([a2244e0](https://github.com/ReactiveX/RxJS/commit/a2244e0)) * **operator:** add switchFirst and switchMapFirst ([71e3dd1](https://github.com/ReactiveX/RxJS/commit/71e3dd1)) * **takeWhile:** add takeWhile operator ([48e53ea](https://github.com/ReactiveX/RxJS/commit/48e53ea)), closes [#695](https://github.com/ReactiveX/RxJS/issues/695) * **throttle:** add throttle operator with durationSelector ([c3bf3e7](https://github.com/ReactiveX/RxJS/commit/c3bf3e7)), closes [#496](https://github.com/ReactiveX/RxJS/issues/496) ### Performance Improvements * **ReplaySubject:** fix memory leak of growing buffer ([0a73b4d](https://github.com/ReactiveX/RxJS/commit/0a73b4d)), closes [#578](https://github.com/ReactiveX/RxJS/issues/578) <a name="5.0.0-alpha.10"></a> # [5.0.0-alpha.10](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.9...v5.0.0-alpha.10) (2015-11-10) ### Bug Fixes * **Immediate:** set immediate should no longer throw in Chrome ([a3de7d9](https://github.com/ReactiveX/RxJS/commit/a3de7d9)), closes [#690](https://github.com/ReactiveX/RxJS/issues/690) <a name="5.0.0-alpha.9"></a> # [5.0.0-alpha.9](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.8...v5.0.0-alpha.9) (2015-11-10) ### Bug Fixes * **util:** incorrect Symbol.iterator for es6-shim ([15bf32c](https://github.com/ReactiveX/RxJS/commit/15bf32c)) ### Features * **forkJoin:** accept promise, resultselector as parameter of forkJoin ([190f349](https://github.com/ReactiveX/RxJS/commit/190f349)), closes [#507](https://github.com/ReactiveX/RxJS/issues/507) <a name="5.0.0-alpha.8"></a> # [5.0.0-alpha.8](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.7...v5.0.0-alpha.8) (2015-11-06) ### Bug Fixes * **concat:** handle a given scheduler correctly ([8745216](https://github.com/ReactiveX/RxJS/commit/8745216)) * **package.json:** loosen the engines/npm semver range to prevent false warnings ([df791c6](https://github.com/ReactiveX/RxJS/commit/df791c6)) * **skipUntil:** unsubscribe source when it completes ([8a4162b](https://github.com/ReactiveX/RxJS/commit/8a4162b)), closes [#577](https://github.com/ReactiveX/RxJS/issues/577) * **take:** deal with total <= 0 and add tests ([c5cc06f](https://github.com/ReactiveX/RxJS/commit/c5cc06f)) * **windowWhen:** fix windowWhen with regard to unsubscriptions ([8174947](https://github.com/ReactiveX/RxJS/commit/8174947)) ### Features * **mergeScan:** add new mergeScan operator. ([0ebb5bd](https://github.com/ReactiveX/RxJS/commit/0ebb5bd)) * **multicast:** support both Subject and subjectFactory arguments ([f779027](https://github.com/ReactiveX/RxJS/commit/f779027)) ### BREAKING CHANGES * **publish:** reverted to RxJS 4 behavior * **publishBehavior:** reverted to RxJS 4 behavior * **publishReplay:** reverted to RxJS 4 behavior * **shareBehavior:** removed * **shareReplay:** removed <a name="5.0.0-alpha.7"></a> # [5.0.0-alpha.7](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.6...v5.0.0-alpha.7) (2015-10-27) ### Bug Fixes * **NextTickAction:** fix unsubscription behavior ([3d8264c](https://github.com/ReactiveX/RxJS/commit/3d8264c)), closes [#582](https://github.com/ReactiveX/RxJS/issues/582) * **buffer:** cleanup notifier subscription when unsubscribed ([1b30aa9](https://github.com/ReactiveX/RxJS/commit/1b30aa9)) * **delay:** accepts absolute time delay ([b109100](https://github.com/ReactiveX/RxJS/commit/b109100)) * **mergeMapTo:** mergeMapTo result should complete ([6f9859e](https://github.com/ReactiveX/RxJS/commit/6f9859e)) * **operator:** update type definitions for union types ([9d90c75](https://github.com/ReactiveX/RxJS/commit/9d90c75)), closes [#581](https://github.com/ReactiveX/RxJS/issues/581) * **repeat:** fix inner subscription semantics for repeat ([f67a596](https://github.com/ReactiveX/RxJS/commit/f67a596)), closes [#554](https://github.com/ReactiveX/RxJS/issues/554) * **switchMapTo:** reimplement switchMapTo to pass tests ([d4789cd](https://github.com/ReactiveX/RxJS/commit/d4789cd)) * **takeUntil:** unsubscribe notifier when it completes ([9415196](https://github.com/ReactiveX/RxJS/commit/9415196)) ### Features * **operator:** add max operator ([7fda036](https://github.com/ReactiveX/RxJS/commit/7fda036)) * **operator:** add min operator ([79cb6cf](https://github.com/ReactiveX/RxJS/commit/79cb6cf)) * **shareBehavior:** add shareBehavior and its tests ([97ff1ec](https://github.com/ReactiveX/RxJS/commit/97ff1ec)) <a name="5.0.0-alpha.6"></a> # [5.0.0-alpha.6](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.5...v5.0.0-alpha.6) (2015-10-17) ### Bug Fixes * **retryWhen:** fix internal unsubscriptions ([5aff5e8](https://github.com/ReactiveX/RxJS/commit/5aff5e8)) * **scan:** scan now behaves like RxJS 4 scan ([27f9c09](https://github.com/ReactiveX/RxJS/commit/27f9c09)) <a name="5.0.0-alpha.5"></a> # [5.0.0-alpha.5](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.4...v5.0.0-alpha.5) (2015-10-16) ### Bug Fixes * **bufferToggle:** fix bugs in order to pass tests ([949fa31](https://github.com/ReactiveX/RxJS/commit/949fa31)) * **mergeAll:** fix mergeAll micro performance tests to use mapTo instead of map. ([616e86e](https://github.com/ReactiveX/RxJS/commit/616e86e)) * **package:** correct typings path ([a501b06](https://github.com/ReactiveX/RxJS/commit/a501b06)) * **repeat:** add additional resubscription behavior ([4f9f33b](https://github.com/ReactiveX/RxJS/commit/4f9f33b)), closes [#516](https://github.com/ReactiveX/RxJS/issues/516) * **retry:** fix internal unsubscriptions for retry ([cc92f45](https://github.com/ReactiveX/RxJS/commit/cc92f45)), closes [#546](https://github.com/ReactiveX/RxJS/issues/546) * **windowToggle:** fix window closing and unsubscription semantics ([0cb21e6](https://github.com/ReactiveX/RxJS/commit/0cb21e6)) <a name="5.0.0-alpha.4"></a> # [5.0.0-alpha.4](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.3...5.0.0-alpha.4) (2015-10-15) ### Bug Fixes * **Subject:** fix missing unsubscribe call ([9dd27d6](https://github.com/ReactiveX/RxJS/commit/9dd27d6)) * **Subscriber:** avoid implicit any ([08faaa9](https://github.com/ReactiveX/RxJS/commit/08faaa9)) * **bufferWhen:** onComplete of closings determine buffers ([5d28a38](https://github.com/ReactiveX/RxJS/commit/5d28a38)) * **fromEvent:** make selector argument optional in fromEvent static method ([71d90b4](https://github.com/ReactiveX/RxJS/commit/71d90b4)) * **skipUntil:** update skipUntil behavior with error, completion ([6f0d98f](https://github.com/ReactiveX/RxJS/commit/6f0d98f)), closes [#518](https://github.com/ReactiveX/RxJS/issues/518) * **windowCount:** fix windowCount window opening times ([908ae56](https://github.com/ReactiveX/RxJS/commit/908ae56)), closes [#273](https://github.com/ReactiveX/RxJS/issues/273) ### Features * **operator:** add debounce operator ([a1e652f](https://github.com/ReactiveX/RxJS/commit/a1e652f)), closes [#493](https://github.com/ReactiveX/RxJS/issues/493) * **operator:** add debounceTime operator ([dd2ba40](https://github.com/ReactiveX/RxJS/commit/dd2ba40)) ### Performance Improvements * **ScalarObservable:** add fast-path for mapping scalar observables ([7b0d3dc](https://github.com/ReactiveX/RxJS/commit/7b0d3dc)) * **count:** fast-path for counting over scalars ([c35a120](https://github.com/ReactiveX/RxJS/commit/c35a120)) * **filter:** add fast-path for filtering scalar observables ([e2e8954](https://github.com/ReactiveX/RxJS/commit/e2e8954)) * **reduce:** add fast-path for reducing over scalar observables ([4c65136](https://github.com/ReactiveX/RxJS/commit/4c65136)) * **scan:** fast-path for scanning scalars ([0201b92](https://github.com/ReactiveX/RxJS/commit/0201b92)) * **skip:** fast-path for skip over scalar observable ([9b49936](https://github.com/ReactiveX/RxJS/commit/9b49936)) * **take:** add fast-path for take over scalars ([33053b1](https://github.com/ReactiveX/RxJS/commit/33053b1)) <a name="5.0.0-alpha.3"></a> # [5.0.0-alpha.3](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.2...5.0.0-alpha.3) (2015-10-13) ### Bug Fixes * **Observable:** fix type signature of some static operators ([e5364de](https://github.com/ReactiveX/RxJS/commit/e5364de)) * **Subject.create:** ensure operator property not required for Observable subscription ([2259de2](https://github.com/ReactiveX/RxJS/commit/2259de2)), closes [#483](https://github.com/ReactiveX/RxJS/issues/483) * **TestScheduler:** stop sorting actual results ([51db0b8](https://github.com/ReactiveX/RxJS/commit/51db0b8)), closes [#422](https://github.com/ReactiveX/RxJS/issues/422) * **benchpress:** update benchpress dependencies and config ([8513eaa](https://github.com/ReactiveX/RxJS/commit/8513eaa)), closes [#348](https://github.com/ReactiveX/RxJS/issues/348) * **buffer:** change behavior of buffer to more closely match RxJS 4 ([b66592d](https://github.com/ReactiveX/RxJS/commit/b66592d)) * **combineLatest:** fix type signature ([a3e6deb](https://github.com/ReactiveX/RxJS/commit/a3e6deb)) * **defer:** fix type signature ([11327b9](https://github.com/ReactiveX/RxJS/commit/11327b9)) * **empty:** fix type signature ([893cb7e](https://github.com/ReactiveX/RxJS/commit/893cb7e)) * **fromPromise:** fix type signature ([17415fa](https://github.com/ReactiveX/RxJS/commit/17415fa)) * **groupBy:** durationSelector cannot keep source alive ([57e4207](https://github.com/ReactiveX/RxJS/commit/57e4207)) * **groupBy:** fix bugs related to group resets ([23a7574](https://github.com/ReactiveX/RxJS/commit/23a7574)) * **groupBy:** fix bugs with groupBy ([86992c6](https://github.com/ReactiveX/RxJS/commit/86992c6)) * **interval:** fix signature type ([9c238c0](https://github.com/ReactiveX/RxJS/commit/9c238c0)) * **operator:** startWith operator accepts scheduler, multiple values ([d1d339a](https://github.com/ReactiveX/RxJS/commit/d1d339a)) * **operators:** reorder signature of resultSelectors ([fc1724d](https://github.com/ReactiveX/RxJS/commit/fc1724d)) * **range:** fix type signature ([9237d0b](https://github.com/ReactiveX/RxJS/commit/9237d0b)) * **timeout:** fix absolute timeout behavior ([8ec06cf](https://github.com/ReactiveX/RxJS/commit/8ec06cf)) * **timeout:** update behavior of timeout, timeoutWith ([16bd691](https://github.com/ReactiveX/RxJS/commit/16bd691)) * **timer:** fix type signature ([fffb96c](https://github.com/ReactiveX/RxJS/commit/fffb96c)) * **window:** handle closingNotifier errors/completes ([42beff1](https://github.com/ReactiveX/RxJS/commit/42beff1)) ### Features * **TestScheduler:** support unsubscription marbles ([ffb0bb9](https://github.com/ReactiveX/RxJS/commit/ffb0bb9)) * **count:** add predicate support in count() ([42d1add](https://github.com/ReactiveX/RxJS/commit/42d1add)), closes [#425](https://github.com/ReactiveX/RxJS/issues/425) * **dematerialize:** add dematerialize operator ([0a8b074](https://github.com/ReactiveX/RxJS/commit/0a8b074)), closes [#475](https://github.com/ReactiveX/RxJS/issues/475) * **do:** do will now handle an observer as an argument ([c1a4994](https://github.com/ReactiveX/RxJS/commit/c1a4994)), closes [#476](https://github.com/ReactiveX/RxJS/issues/476) * **first:** add resultSelector ([3c20fcc](https://github.com/ReactiveX/RxJS/commit/3c20fcc)), closes [#417](https://github.com/ReactiveX/RxJS/issues/417) * **last:** add resultSelector argument ([5a4896c](https://github.com/ReactiveX/RxJS/commit/5a4896c)), closes [#418](https://github.com/ReactiveX/RxJS/issues/418) * **operator:** add every operator ([d11f32e](https://github.com/ReactiveX/RxJS/commit/d11f32e)) * **operator:** add timeInterval operator ([6cc0615](https://github.com/ReactiveX/RxJS/commit/6cc0615)) * **share:** add the share operator ([c36f2be](https://github.com/ReactiveX/RxJS/commit/c36f2be)), closes [#439](https://github.com/ReactiveX/RxJS/issues/439) * **shareReplay:** add the shareReplay() operator ([65c84ea](https://github.com/ReactiveX/RxJS/commit/65c84ea)) ### Performance Improvements * **ReplaySubject:** remove unnecessary computation ([488ac2e](https://github.com/ReactiveX/RxJS/commit/488ac2e)) ### BREAKING CHANGES * **operators with resultSelectors** (mergeMap, concatMap, switchMap, etc): The function signature of resultSelectors used to be (innerValue, outerValue, innerIndex, outerIndex) but this commits changes it to be (outerValue, innerValue, outerIndex, innerIndex), to match signatures in RxJS 4. <a name="5.0.0-alpha.2"></a> # [5.0.0-alpha.2](https://github.com/ReactiveX/RxJS/compare/5.0.0-alpha.1...5.0.0-alpha.2) (2015-09-30) ### Bug Fixes * **concat:** let observable concat instead of merge ([c17e832](https://github.com/ReactiveX/RxJS/commit/c17e832)) ### Features * **operator:** add find, findIndex operator ([7c6cc9d](https://github.com/ReactiveX/RxJS/commit/7c6cc9d)) * **operator:** add first operator ([274c233](https://github.com/ReactiveX/RxJS/commit/274c233)) * **operator:** add ignoreElements operator ([fe1a952](https://github.com/ReactiveX/RxJS/commit/fe1a952)) * **zip:** zip now supports never-ending iterables ([a5684ba](https://g