Rx.NET v4.1.5

Changes:

• 6f5aec4 v4.1.5
• 1214c26 Merge pull request #881 from akarnokd/ObserveOnLongRunningFix
• a678705 Fix wrong usage of ISchedulerLongRunning in ObserveOn

This list of changes was auto generated.

Rx.NET v4.1.4

Changes:

• 8e87096 ver 4.1.4
• 962a3f7 Merge pull request #880 from akarnokd/SystemClockChangeCrashFix
• 7d6fbf4 Add test verifying the fix
• c889767 Fix InvalidOp when enumerating the SystemClockChanged hashset
• 04d98ea Update valuetuple dependency
• fd5f9bf bump ver
• 6318bb5 Restore ppdb workaround
• e1e4b63 Build with latest SDK
• 7c69b51 Update test deps
• 38c36f0 Use latest extras

See more

• 08d9d66 Update icon url and use package licence expression
• 01bd204 bump version.
• 4aabda1 4.x: Fix 3+ arg Zip not working with immediate sources
• aeaf0e8 Merge pull request #819 from dotnet/bump-to-411
• 44ef422 bump to 4.1.1
• c4030c3 Remove old files
• 38b55f4 Update and rename .azure-pipelines.ix.yml to azure-pipelines.ix.yml
• 5a22d4d Update and rename .azure-pipelines.rx.yml to azure-pipelines.rx.yml
• 57bcb6e Merge pull request #818 from danielcweber/rel/v4.1.1 [ #806, #807, #809, #816 ]
• 2baca57 4.x: Fix accidental behavior change with Task-based Create methods completing when the body ends
• 8de749f Added debugger display information to TestScheduler and HistoricalScheduler
• 1a5abeb Emit a warning if the half-serializer ignores a value in ForwardOnNext.
• 1990de7 Fix Zip(IEnumerable) NullReferenceException if a source completes immediately
• 1888ca8 remove preview tag

This list of changes was auto generated.

Rx.NET v4.2.0-preview.102

Changes:

• 9666473 Fix itemgroup conditions
• 6f59615 Merge pull request #871 from dotnet/package-updates-for-rx
• 7b07f9e Use package license expression and fix icon
• 935b524 Merge pull request #859 from dotnet/linux-tests
• e127ac4 Move Product to targets so AssemblyName is set
• 2d5aabd Fix packaging
• 6ee6b11 Ensure dll is in package
• 98ce4e0 Fix targets bug
• 61c63f8 Update displayname
• 6de2ebf Fix invoke of tool

See more

• f3ce0f0 Add WindowsDesktop integration tests
• 8775aa2 Workaround dotnet/sdk#2976
• 875e542 Specify TFs
• 06126dd run tests independently due to DotNetCoreInstaller stepping on 2.1/3.0 at the same time
• 31e7b00 Prevent downgrade
• 65460ef Remove binlog
• db5b0dc Use latest SDK to build
• fde4bde add workaround
• 9cef070 generate binlog
• 6e746eb Update sdk
• 3d78b42 Update to latest extras
• 1ec1197 add codecov config
• 728cf9b Use build and buildTransitive
• d40974b Add reference based on UseWpf or UseWindowsForms
• d7a3a38 Update dependencies
• d11d09c fix versions
• dc9f681 update gb.nv
• 87447c3 Reduce surface area to match netstandard
• d61a55b move downloaded artifacts to package directory
• 62b9eca use forward slash
• bf6c150 try moving the 3.0 install to after the tool
• deba91f Also install 2.2
• 16d75e4 Update azure-pipelines.rx.yml
• 759660a Update azure-pipelines.rx.yml
• a645fb4 fix invocation
• 8b68357 add linux job
• f13de50 add linux test project
• 43a6a80 add linux test project
• b2d0210 Add folder for local packages
• 0f837d1 Update extras
• 9f8c209 Merge pull request #857 from dotnet/rx-netcore3
• db87e39 update extras version
• 13a6fb1 Use implicit refs
• 90052f0 Add .NET Core 3 target
• 57868ce Merge pull request #856 from dotnet/update-extras
• 44ea150 update extras
• 50274fb Update azure-pipelines.ix.yml
• 1e087dc Update azure-pipelines.ix.yml
• 72cb1fb Update azure-pipelines.rx.yml
• 03ebbb7 Add PR trigger
• cce7279 Add build number conditionals back
• 35df133 Add PR triggers
• 16b9b3a Merge pull request #837 from dotnet/ghuntley-patch-1
• 8f08e20 housekeeping: recognise David Karnok and Daniel C. Weber
• dd12663 Merge pull request #835 from dotnet/add-bolt
• 0b06f10 add bolt
• 6030249 add bolt
• 617508a Merge pull request #832 from quinmars/using-finally-dispose-order
• a54b724 Test disposal order of Finally
• cb42def Save two allocations in the finally operator
• df7763e Fix order of observer and resource disposal of the Using and Finally operator, reported in #829
• 338741d Merge pull request #831 from olevett/patch-1
• ed66e24 fix packageUrl property
• b7ea7a2 Merge pull request #830 from shiftkey/patch-1
• 95ec212 and this package too
• a306e75 also update this URL
• 1b2bc3f update project URL to be the GitHub repository
• f7d668d Merge pull request #828 from akarnokd/Zip3Fix
• 8dd6b3d Add comment to changes
• bf2a314 4.x: Fix 3+ arg Zip not working with immediate sources
• 418a037 Merge pull request #826 from dotnet/ixcleanup
• 99a4697 add ps1 to editorconfig
• 48e2cd8 Allow one line code bocks
• 8e5fc3f Update package versions
• 6ba99a7 Update filter
• 18b9ea4 Update solution files
• 1a0e09c Add define
• 715df35 Update extras
• 2bf683c Merge pull request #822 from danielcweber/ChangeExtensionsOfApiApprovalFiles
• 4d72bb1 Merge pull request #820 from danielcweber/ReviewEventPatternSourceBase
• 3862556 Exclude *.approved.cs-files from license header check.
• 4ac22ea Change the extensions of approved ApprovalTest files for a better editing experience in the failure case.
• 33c85e0 Use a dedicated implementation of IObserver instead of passing three delegates to Subscribe.
• ab2e319 Remove unused allocation/assignment.
• 9a6e8b2 Merge pull request #816 from akarnokd/FixCreateTaskInvalidCompletion
• b2a449f 4.x: Fix accidental behavior change with Task-based Create methods completing when the body ends
• 65be066 Merge pull request #809 from paulomorgado/scheduler-debugger-display
• 72c3b7d Added debugger display information to TestScheduler and HistoricalScheduler
• 5f9df73 Merge pull request #813 from dotnet/onovotny-patch-1
• 4a495e0 Update README.md
• 6095f0e Update and rename .azure-pipelines.rx.yml to azure-pipelines.rx.yml
• 297fcda Update azure-pipelines.ix.yml
• 12f30a7 Update and rename .azure-pipelines.ix.yml to azure-pipelines.ix.yml
• a6a2b06 Update README.md
• 47896dd Merge pull request #811 from dotnet/build-update
• 94c57b4 fix paths
• 30faa52 Consolidate pipelines
• 4ed23b8 Merge pull request #807 from danielcweber/EmitWarningInHalfserializer
• 7d2d4c4 Emit a warning if the half-serializer ignores a value in ForwardOnNext.
• 1c4a708 Merge pull request #806 from akarnokd/ZipNull
• 1b19cb6 Fix Zip(IEnumerable) NullReferenceException if a source completes immediately
• 73b809e Merge pull request #805 from dotnet/update-build-yaml
• a4613a3 switch to stable 2.1.400 sdk
• 8432339 Merge pull request #804 from dotnet/add-drafter
• 325a1b0 add drafter config
• 0cb6612 bump ver

This list of changes was auto generated.

Rx.NET v4.1.3

Changes:

• 04d98ea Update valuetuple dependency
• fd5f9bf bump ver
• 6318bb5 Restore ppdb workaround
• e1e4b63 Build with latest SDK
• 7c69b51 Update test deps
• 38c36f0 Use latest extras
• 08d9d66 Update icon url and use package licence expression
• 01bd204 bump version.
• 4aabda1 4.x: Fix 3+ arg Zip not working with immediate sources
• aeaf0e8 Merge pull request #819 from dotnet/bump-to-411

See more

• 44ef422 bump to 4.1.1
• c4030c3 Remove old files
• 38b55f4 Update and rename .azure-pipelines.ix.yml to azure-pipelines.ix.yml
• 5a22d4d Update and rename .azure-pipelines.rx.yml to azure-pipelines.rx.yml
• 57bcb6e Merge pull request #818 from danielcweber/rel/v4.1.1 [ #806, #807, #809, #816 ]
• 2baca57 4.x: Fix accidental behavior change with Task-based Create methods completing when the body ends
• 8de749f Added debugger display information to TestScheduler and HistoricalScheduler
• 1a5abeb Emit a warning if the half-serializer ignores a value in ForwardOnNext.
• 1990de7 Fix Zip(IEnumerable) NullReferenceException if a source completes immediately
• 1888ca8 remove preview tag

This list of changes was auto generated.

Rx.NET v4.2.0-preview.63

Changes:

• 9f8c209 Merge pull request #857 from dotnet/rx-netcore3
• db87e39 update extras version
• 13a6fb1 Use implicit refs
• 90052f0 Add .NET Core 3 target
• 57868ce Merge pull request #856 from dotnet/update-extras
• 44ea150 update extras
• 50274fb Update azure-pipelines.ix.yml
• 1e087dc Update azure-pipelines.ix.yml
• 72cb1fb Update azure-pipelines.rx.yml
• 03ebbb7 Add PR trigger

See more

• cce7279 Add build number conditionals back
• 35df133 Add PR triggers
• 16b9b3a Merge pull request #837 from dotnet/ghuntley-patch-1
• 8f08e20 housekeeping: recognise David Karnok and Daniel C. Weber
• dd12663 Merge pull request #835 from dotnet/add-bolt
• 0b06f10 add bolt
• 6030249 add bolt
• 617508a Merge pull request #832 from quinmars/using-finally-dispose-order
• a54b724 Test disposal order of Finally
• cb42def Save two allocations in the finally operator
• df7763e Fix order of observer and resource disposal of the Using and Finally operator, reported in #829
• 338741d Merge pull request #831 from olevett/patch-1
• ed66e24 fix packageUrl property
• b7ea7a2 Merge pull request #830 from shiftkey/patch-1
• 95ec212 and this package too
• a306e75 also update this URL
• 1b2bc3f update project URL to be the GitHub repository
• f7d668d Merge pull request #828 from akarnokd/Zip3Fix
• 8dd6b3d Add comment to changes
• bf2a314 4.x: Fix 3+ arg Zip not working with immediate sources
• 418a037 Merge pull request #826 from dotnet/ixcleanup
• 99a4697 add ps1 to editorconfig
• 48e2cd8 Allow one line code bocks
• 8e5fc3f Update package versions
• 6ba99a7 Update filter
• 18b9ea4 Update solution files
• 1a0e09c Add define
• 715df35 Update extras
• 2bf683c Merge pull request #822 from danielcweber/ChangeExtensionsOfApiApprovalFiles
• 4d72bb1 Merge pull request #820 from danielcweber/ReviewEventPatternSourceBase
• 3862556 Exclude *.approved.cs-files from license header check.
• 4ac22ea Change the extensions of approved ApprovalTest files for a better editing experience in the failure case.
• 33c85e0 Use a dedicated implementation of IObserver instead of passing three delegates to Subscribe.
• ab2e319 Remove unused allocation/assignment.
• 9a6e8b2 Merge pull request #816 from akarnokd/FixCreateTaskInvalidCompletion
• b2a449f 4.x: Fix accidental behavior change with Task-based Create methods completing when the body ends
• 65be066 Merge pull request #809 from paulomorgado/scheduler-debugger-display
• 72c3b7d Added debugger display information to TestScheduler and HistoricalScheduler
• 5f9df73 Merge pull request #813 from dotnet/onovotny-patch-1
• 4a495e0 Update README.md
• 6095f0e Update and rename .azure-pipelines.rx.yml to azure-pipelines.rx.yml
• 297fcda Update azure-pipelines.ix.yml
• 12f30a7 Update and rename .azure-pipelines.ix.yml to azure-pipelines.ix.yml
• a6a2b06 Update README.md
• 47896dd Merge pull request #811 from dotnet/build-update
• 94c57b4 fix paths
• 30faa52 Consolidate pipelines
• 4ed23b8 Merge pull request #807 from danielcweber/EmitWarningInHalfserializer
• 7d2d4c4 Emit a warning if the half-serializer ignores a value in ForwardOnNext.
• 1c4a708 Merge pull request #806 from akarnokd/ZipNull
• 1b19cb6 Fix Zip(IEnumerable) NullReferenceException if a source completes immediately
• 73b809e Merge pull request #805 from dotnet/update-build-yaml
• a4613a3 switch to stable 2.1.400 sdk
• 8432339 Merge pull request #804 from dotnet/add-drafter
• 325a1b0 add drafter config
• 0cb6612 bump ver

This list of changes was auto generated.

Rx.NET v4.1.2

NuGet: 4.1.2

>PM Install-Package System.Reactive -Version 4.1.2

Version 4.1.2 is a bugfix release for version 4.1.1.

Bugfixes

• Pull 828: Fix 3+ arg Zip not working with immediate sources

Rx.NET v4.1.1

NuGet: 4.1.1

>PM Install-Package System.Reactive -Version 4.1.1

Version 4.1.1 is a bugfix release for version 4.1.0 with some minor enhancements for debugging and tracing.

Bugfixes

• Pull 806: Fix Zip(IEnumerable) NullReferenceException if a source completes immediately
• Pull 816: Fix accidental behavior change with Task-based Create methods completing when the body ends

Features

• Pull 809: Added debugger display information to TestScheduler and HistoricalScheduler

Other notable (internal) changes

• Pull 807: Emit a warning if the half-serializer ignores a value in ForwardOnNext.

Rx.NET v4.1.0

NuGet: 4.1.0

>PM Install-Package System.Reactive -Version 4.1.0

Version 4.1.0 is an enhancement version over 4.0.0 by keeping the public API and extending it additively as well as having significant internal changes for better performance via less allocation, less indirection and less locking on the existing components. Note that the codebase now always uses the latest C# language features.

API enhancements

• Pull 486: Add the RetryWhen operator.
• Pull 497: Add the IConnectableObservable.AutoConnect() operator.
• Pull 536: Add the RepeatWhen operator.
• Pull 133: Add a RefCount overload supporting a grace period before disconnecting.
• Pull 567: Add the Append and Prepend operators.
• Pull 612: Add the TakeUntil(Func<T, bool>) operator.

Performance enhancements

• Pull 504: Improve the logic of AsyncLock.
• Pull 505: Improve and fix CompositeDisposable.
• Pull 491: Optimize Concat(IObservable<IObservable<T>>).
• Pull 499: Make TailRecursiveSink lock-free and have less allocations.
• Pull 506: Improve AutoDetachObserver memory footprint.
• Pull 508: Replace ObserveOn(IScheduler) internals with a lock-free algorithm.
• Pull 510: Improve AsyncSubject by using lock-free methods.
• Pull 511: Improve Subject observer tracking.
• Pull 512: Improve Amb with lock-free algorithm.
• Pull 513: Make Never<TResult> singleton.
• Pull 535: SerialDisposable to use lock free methods.
• Pull 544: Make plain Empty<T>() a singleton.
• Pull 545: Dedicated Amb implementation for arrays and enumerables.
• Pull 550: Rework TakeUntil with lock-free methods.
• Pull 500: Avoid some closure allocations and enable delegate caching in the System.Reactive.Concurrency namespace.
• Pull 549: Deanonymize operators.
• Pull 556: Use the helper methods for IDisposable-fields, avoid repeating code patterns.
• Pull 551: Rework SkipUntil with lock-free methods.
• Pull 546: Reimplement Timeout(TimeSpan) with lock-free methods.
• Pull 566: BasicProducer/Producer: Save the allocation of a closure and allow delegate caching in case scheduling on CurrentThreadScheduler is required.
• Pull 558: Use Schedule calls with state.
• Pull 568: Use Disposable helper methods were applicable.
• Pull 574: Make RefCountDisposable lock-free.
• Pull 575: Rework subscription in Producer such that all Sinks set the upstream disposable by themselves.
• Pull 561: Inline disposability into ScheduledItem.
• Pull 578: Inline StableCompositeDisposable.Create into the Sinks.
• Pull 580: Inline Disposable.Create.
• Pull 583: Use the stateful overload of AsyncLock in some places to save allocation of closures and allow delegate caching.
• Pull 586: Save more allocations of closures and enable more delegate caching.
• Pull 592: Inline AnonymousObserver use at places.
• Pull 591: Save even more allocations.
• Pull 590: Improve blocking First & Last operators.
• Pull 593: Inline SerialDisposable usages.
• Pull 599: CurrentThreadScheduler fast path Schedule.
• Pull : Add dedicated class based implementations for Append and Prepend.
• Pull 602: An allocation in BasicProducer.SubscribeRaw can be saved in most cases.
• Pull 603: Align safe observers.
• Pull 604: Rework SelectMany.
• Pull 610: Have Timeout(Absolute|Selector) use lock-free methods.
• Pull 611: Have TakeUntil(time) use lock-free methods.
• Pull 617: Make Scheduler.Recursive more uniform and allocate less.
• Pull 619: Save an allocation during inner observer creation in Switch.
• Pull 620: Improve TailRecursiveSink with less allocations.
• Pull 632: Save an allocation in ThreadPoolScheduler.PeriodicTimer.
• Pull 635: Save allocations in Zip.
• Pull 637: Less allocations in CombineLatest.
• Pull 638: Review Throttle, save some allocations.
• Pull 639: Review Merge, save some allocations.
• Pull 640: Save some more allocations in SelectMany.
• Pull 641: Save allocations of SingleAssignmentDisposables in Join.
• Pull 642: Less allocations in SubscribeOnCtxObservable.
• Pull 643: Save some allocations in ToTaskObserver.
• Pull 644: Save some allocations in ToObservable.
• Pull 647: Review JoinObserver.
• Pull 648: Review GroupJoin.
• Pull 650: Use UserWorkItem in ThreadPoolScheduler.Windows and save some allocations.
• Pull 651: Use stateful AnonymousDisposable where appropriate.
• Pull 653: Review Window operator.
• Pull 654: Review Buffer operator.
• Pull 655: Review Delay operator.
• Pull 656: Review GroupByUntil operator.
• Pull 657: Save the allocation of a SingleAssignmentDisposable in GetEnumerator.
• Pull 658: Save some closure allocations and allow delegate caching in Generate.
• Pull 664: Save allocations of closures and allow delegate caching in Windows code that schedules async work.
• Pull 665: Improve Buffer via dedicated exact/skip implementations.
• Pull 674: Improve Generate() internals.
• Pull 676 : Improve PushPullAdapter+Sink dispose management.
• Pull 684: Improve the performance of Range().
• Pull 688: Improve the performance of Repeat().
• Pull 697: Improve the structure and recursive scheduling of TakeLast().
• Pull 700: Improve Timer() scheduler handling.
• Pull 705: Improve the performance of ToObservable().
• Pull 722: Save some allocations and allow delegate caching in ScheduleAsync.
• Pull 744: Review QueryLanguage.Creation.
• Pull 758: Save one static per-generic-class field.
• Pull 760: Review and improve TaskObservableExtensions.
• Pull 762: Improve Return/Throw/Append/Prepend overhead with ImmediateScheduler.
• Pull 763: Reduce N-ary StableCompositeDisposable.Create overhead via dedicated implementation.
• Pull 764 : Append/Prepend some more optimizations.
• [Pull 767](#767...

Rx.NET v4.1.0-preview.330

NuGet: 4.1.0-preview.330

>PM Install-Package System.Reactive -Version 4.1.0-preview.330

Version 4.1.0-preview.330 is an enhancement version over 4.0.0 by keeping the public API and extending it additively as well as having significant internal changes for better performance via less allocation, less indirection and less locking on the existing components. Note that the codebase now always uses the latest C# language features.

API enhancements

• Pull 486: Add the RetryWhen operator.
• Pull 497: Add the IConnectableObservable.AutoConnect() operator.
• Pull 536: Add the RepeatWhen operator.
• Pull 133: Add a RefCount overload supporting a grace period before disconnecting.
• Pull 567: Add the Append and Prepend operators.
• Pull 612: Add the TakeUntil(Func<T, bool>) operator.

Performance enhancements

• Pull 504: Improve the logic of AsyncLock.
• Pull 505: Improve and fix CompositeDisposable.
• Pull 491: Optimize Concat(IObservable<IObservable<T>>).
• Pull 499: Make TailRecursiveSink lock-free and have less allocations.
• Pull 506: Improve AutoDetachObserver memory footprint.
• Pull 508: Replace ObserveOn(IScheduler) internals with a lock-free algorithm.
• Pull 510: Improve AsyncSubject by using lock-free methods.
• Pull 511: Improve Subject observer tracking.
• Pull 512: Improve Amb with lock-free algorithm.
• Pull 513: Make Never<TResult> singleton.
• Pull 535: SerialDisposable to use lock free methods.
• Pull 544: Make plain Empty<T>() a singleton.
• Pull 545: Dedicated Amb implementation for arrays and enumerables.
• Pull 550: Rework TakeUntil with lock-free methods.
• Pull 500: Avoid some closure allocations and enable delegate caching in the System.Reactive.Concurrency namespace.
• Pull 549: Deanonymize operators.
• Pull 556: Use the helper methods for IDisposable-fields, avoid repeating code patterns.
• Pull 551: Rework SkipUntil with lock-free methods.
• Pull 546: Reimplement Timeout(TimeSpan) with lock-free methods.
• Pull 566: BasicProducer/Producer: Save the allocation of a closure and allow delegate caching in case scheduling on CurrentThreadScheduler is required.
• Pull 558: Use Schedule calls with state.
• Pull 568: Use Disposable helper methods were applicable.
• Pull 574: Make RefCountDisposable lock-free.
• Pull 575: Rework subscription in Producer such that all Sinks set the upstream disposable by themselves.
• Pull 561: Inline disposability into ScheduledItem.
• Pull 578: Inline StableCompositeDisposable.Create into the Sinks.
• Pull 580: Inline Disposable.Create.
• Pull 583: Use the stateful overload of AsyncLock in some places to save allocation of closures and allow delegate caching.
• Pull 586: Save more allocations of closures and enable more delegate caching.
• Pull 592: Inline AnonymousObserver use at places.
• Pull 591: Save even more allocations.
• Pull 590: Improve blocking First & Last operators.
• Pull 593: Inline SerialDisposable usages.
• Pull 599: CurrentThreadScheduler fast path Schedule.
• Pull : Add dedicated class based implementations for Append and Prepend.
• Pull 602: An allocation in BasicProducer.SubscribeRaw can be saved in most cases.
• Pull 603: Align safe observers.
• Pull 604: Rework SelectMany.
• Pull 610: Have Timeout(Absolute|Selector) use lock-free methods.
• Pull 611: Have TakeUntil(time) use lock-free methods.
• Pull 617: Make Scheduler.Recursive more uniform and allocate less.
• Pull 619: Save an allocation during inner observer creation in Switch.
• Pull 620: Improve TailRecursiveSink with less allocations.
• Pull 632: Save an allocation in ThreadPoolScheduler.PeriodicTimer.
• Pull 635: Save allocations in Zip.
• Pull 637: Less allocations in CombineLatest.
• Pull 638: Review Throttle, save some allocations.
• Pull 639: Review Merge, save some allocations.
• Pull 640: Save some more allocations in SelectMany.
• Pull 641: Save allocations of SingleAssignmentDisposables in Join.
• Pull 642: Less allocations in SubscribeOnCtxObservable.
• Pull 643: Save some allocations in ToTaskObserver.
• Pull 644: Save some allocations in ToObservable.
• Pull 647: Review JoinObserver.
• Pull 648: Review GroupJoin.
• Pull 650: Use UserWorkItem in ThreadPoolScheduler.Windows and save some allocations.
• Pull 651: Use stateful AnonymousDisposable where appropriate.
• Pull 653: Review Window operator.
• Pull 654: Review Buffer operator.
• Pull 655: Review Delay operator.
• Pull 656: Review GroupByUntil operator.
• Pull 657: Save the allocation of a SingleAssignmentDisposable in GetEnumerator.
• Pull 658: Save some closure allocations and allow delegate caching in Generate.
• Pull 664: Save allocations of closures and allow delegate caching in Windows code that schedules async work.
• Pull 665: Improve Buffer via dedicated exact/skip implementations.
• Pull 674: Improve Generate() internals.
• Pull 676 : Improve PushPullAdapter+Sink dispose management.
• Pull 684: Improve the performance of Range().
• Pull 688: Improve the performance of Repeat().
• Pull 697: Improve the structure and recursive scheduling of TakeLast().
• Pull 700: Improve Timer() scheduler handling.
• Pull 705: Improve the performance of ToObservable().
• Pull 722: Save some allocations and allow delegate caching in ScheduleAsync.
• Pull 744: Review QueryLanguage.Creation.
• Pull 758: Save one static per-generic-class field.
• Pull 760: Review and improve TaskObservableExtensions.
• Pull 762: Improve Return/Throw/Append/Prepend overhead with ImmediateScheduler.
• Pull 763: Reduce N-ary StableCompositeDisposable.Create overhead via dedicated implementation.
• Pull 764 : Append/Prepend some more optimizations.
• [Pull ...

Ix.NET v3.2.0

Main enhancement is adding a .NET Standard 2.0 version, to minimize the dependency graph and improve build times.

System.Interactive fixes a bug with .NET Core 2.0 due to TakeLast and SkipLast being added to the BCL on that platform.