v1.0.0

Initial stable release of Material Motion. Includes:

• Interactions with constraint support.
• Runtime visualization using graphviz.
• Many case studies in the Catalog app.
• A Swift playground.

Source changes

• Reintroduce property core animation event forwarding. (Jeff Verkoeyen)
• And one last missing import. (Jeff Verkoeyen)
• Add one more missing import. (Jeff Verkoeyen)
• Add more missing UIKit imports. (Jeff Verkoeyen)
• Add missing import statements throughout the codebase. (Jeff Verkoeyen)
• Slow down Core Animation animations when simulator slow motion animations is enabled. (Jeff Verkoeyen)
• Add default coordinate space to SetPositionOnTap initializer. (Jeff Verkoeyen)
• Rename TransitionContext.Direction to TransitionDirection. (Jeff Verkoeyen)
• Add x-/yLockedTo tests. (Jeff Verkoeyen)
• Use a different y value for normalize tests. (Jeff Verkoeyen)
• Rename threshold event to threshold side and drop the -when prefix. (Jeff Verkoeyen)
• Add threshold tests. (Jeff Verkoeyen)
• Add rubberBanded tests. (Jeff Verkoeyen)
• Remove subtractedFrom operator. (Jeff Verkoeyen)
• Add offsetBy and scaledBy tests. (Jeff Verkoeyen)
• Add normalize tests. (Jeff Verkoeyen)
• Add anchorPointAdjustment tests. (Jeff Verkoeyen)
• Fix bug causing Tween never to come to rest. (Jeff Verkoeyen)
• Add rewrite tests. (Jeff Verkoeyen)
• Add merge tests. (Jeff Verkoeyen)
• Add inverted tests. (Jeff Verkoeyen)
• Add distanceFrom tests and improve reactive implementation. (Jeff Verkoeyen)
• Add initialValue tests. (Jeff Verkoeyen)
• Remove unnecessary testing imports. (Jeff Verkoeyen)
• Add valve tests. (Jeff Verkoeyen)
• Add upper-/lowerBound tests. (Jeff Verkoeyen)
• Add delay tests. (Jeff Verkoeyen)
• Add dedupe tests. (Jeff Verkoeyen)
• Add slop tests. (Jeff Verkoeyen)
• Default untyped integer literals to be CGFloat ReactiveProperties. (Jeff Verkoeyen)
• Rearrange the operator unit tests to match the source file layout. (Jeff Verkoeyen)
• Add Addable/Subtractable tests. (Jeff Verkoeyen)
• Add _remember tests. (Jeff Verkoeyen)
• Add Core Animation _map tests. (Jeff Verkoeyen)
• Add TransitionTween interaction. (Jeff Verkoeyen)
• Add support for reactively re-animating Tweens when values or keyPositions changes. (Jeff Verkoeyen)
• Make TransitionContext.Direction conform to Invertible. (Jeff Verkoeyen)
• Add rewrite operator that accepts an observable. (Jeff Verkoeyen)
• Add Invertible type and general-purpose inverted operator. (Jeff Verkoeyen)
• Add support for additive Core Animation tweens. (Jeff Verkoeyen)
• Make additive calculations more generic in preparation for keyframe additive animation support. (Jeff Verkoeyen)
• Ensure that Gesturable interactions that use an existing gesture recognizer prime the initial state. (Jeff Verkoeyen)
• Remove superfluous Equatable conformity in coreAnimationSpringToStream. (Jeff Verkoeyen)
• Add width/height reactive properties to CALayer. (Jeff Verkoeyen)
• Make all classes final that can be. (Jeff Verkoeyen)
• Add NoConstraints typealias for interactions that don't support constraints. (Jeff Verkoeyen)
• Add draggable.finalVelocity API. (Jeff Verkoeyen)
• Rename runtime.disable to runtime.toggle. (Jeff Verkoeyen)
• Use primary/secondary colors for metadata readouts. (Jeff Verkoeyen)
• Simulate atRest/active eventing for tap gestures so that they can be used to start animations. (Jeff Verkoeyen)
• Resolve Xcode 8.3 warnings. (Jeff Verkoeyen)
• Add Tween example and hacky runtime.start(when) mechanism. (Jeff Verkoeyen)
• Add Scalable/Tossable interaction demos and fix bug in Tossable state reporting. (Jeff Verkoeyen)
• Update name to MaterialMotion. (Jeff Verkoeyen)
• Provide a default for ArcMove's initializer. (Jeff Verkoeyen)
• Add rotatable example and make Rotatable/Scalable conform to Stateful. (Jeff Verkoeyen)
• Remove old demos and general usage of POP in preparation for moving POP to an external dependency. (Jeff Verkoeyen)
• Make coreAnimation the default system for all tweens and tossable. (Jeff Verkoeyen)
• Add AggregateMotionState for treating many MotionState streams as a single stream. (Jeff Verkoeyen)
• Bump supported SDK to iOS 9. (Jeff Verkoeyen)
• Pull the core animation reactive property builder out of ReactiveCALayer so that apps can create custom core animation properties. (Jeff Verkoeyen)
• Fix bug with runtime.get and gesture recognizer typing. (Jeff Verkoeyen)
• Remove reactive UIView center properties. (Jeff Verkoeyen)
• Documentation pass at all operators. (Jeff Verkoeyen)
• Document TransitionSpring. (Jeff Verkoeyen)
• Document the Tossable interaction. (Jeff Verkoeyen)
• Document the PathTween interaction. (Jeff Verkoeyen)
• Move Interaction conformity to the type definition. (Jeff Verkoeyen)
• Flesh out docs for ArcMove and AdjustsAnchorPoint. (Jeff Verkoeyen)
• Adjust MotionObservable subscription APIs to encourage forwarding channels rather than creating a terminal subscription. (Jeff Verkoeyen)
• Rename translated to translation(addedTo:). (Jeff Verkoeyen)
• Rename onRecognitionState to whenRecognitionState. (Jeff Verkoeyen)
• Change the reactive object cache to use ObjectIdentifier as the key and consolidate the caches to one dictionary. (Jeff Verkoeyen)
• Fix minor typo in documentation. (Jeff Verkoeyen)
• Rename Tap to SetPositionOnTap and document the class. (Jeff Verkoeyen)
• Document the Spring interaction. (Jeff Verkoeyen)
• Support generic T value types for POP springs. (Jeff Verkoeyen)
• Clean up the Tween documentation. (Jeff Verkoeyen)
• Make all gestural interaction classes final. (Jeff Verkoeyen)
• Document Draggable, Rotatable, and Scalable. (Jeff Verkoeyen)
• Flesh out the DirectlyManipulable docs. (Jeff Verkoeyen)
• Move Metadata deeper into the operator implementations. (Jeff Verkoeyen)
• Minor modernization of ReactiveProperty method signature. (Jeff Verkoeyen)
• Reduce the public API footprint of Metadata. (Jeff Verkoeyen)
• Move MotionState to Stateful.swift. (Jeff Verkoeyen)
• Document and clean up the MotionRuntime APIs. (Jeff Verkoeyen)
• Add constraint support to spring/tossable. (Jeff Verkoeyen)
• Minor docs cleanup of Interaction. (Jeff Verkoeyen)
• Rename the library to ReactiveMotion. (Jeff Verkoeyen)
• Move all examples to the Catalog target and resolve all API visibility failures. (Jeff Verkoeyen)
• Move files into subfolders to clean up the root folder's classes. (Jeff Verkoeyen)
• Document and simplify the Interaction types. (Jeff Verkoeyen)
• Add constraint support to Tween. (Jeff Verkoeyen)
• Add constraint support to additive animations. (Jeff Verkoeyen)
• Add constraint support to Rotatable/Scalable. (Jeff Verkoeyen)
• Introduce interaction constraints. (Jeff Verkoeyen)
• Flatten the Interaction types down to a single Interaction protocol. (Jeff Verkoeyen)
• 100% coverage of ReactiveProperty. (Jeff Verkoeyen)
• Implement a reactive variant of xLockedTo. (Jeff Verkoeyen)
• Add initialValue operator. (Jeff Verkoeyen)
• 100% coverage of MotionObservable. (Jeff Verkoeyen)
• Move TimelineView to the examples supplemental directory rather than src. (Jeff Verkoeyen)
• Remove ReactivePropertyConvertible. (Jeff Verkoeyen)
• Simplify the runtime.connect generic signatures. (Jeff Verkoeyen)
• Add x/yLockedTo constraints. (Jeff Verkoeyen)
• Remove literal convertibles. (Jeff Verkoeyen)
• Introduce runtime.connect. (Jeff Verkoeyen)
• Fix bug with Tossable being used with TransitionSpring instances. (Jeff Verkoeyen)
• Remove Core Animation forwarding from ReactiveProperty. (Jeff Verkoeyen)
• Remove the Tossable Destination type. (Jeff Verkoeyen)
• Remove TransitionInteraction type. (Jeff Verkoeyen)
• Make use of StatefulInteraction type for transition completion. (Jeff Verkoeyen)
• Introduce Togglable- and StatefulInteraction types and runtime.enable that makes use of them. (Jeff Verkoeyen)
• Remove asStream conversions. (Jeff Verkoeyen)
• Request that Transition instances return the list of streams that define completion. (Jeff Verkoeyen)
• Move most interaction protocol implementations to extensions. (Jeff Verkoeyen)
• Make coordinate space an explicit argument on the Tap interaction. (Jeff Verkoeyen)
• Rework the gestural interactions to use constant properties where applicable. (Jeff Verkoeyen)
• Remove excessive .asStream invocations by adding a property-to-property runtime.add method. (Jeff Verkoeyen)
• Move timeline channel event into the .add event and ensure that visualization views are remembered by the _remember operator. (Jeff Verkoeyen)
• Resolve memory leak in Spring implementation. (Jeff Verkoeyen)
• Make Tween's system property a private const. (Jeff Verkoeyen)
• Make timeline a constant on Tween. (Jeff Verkoeyen)
• Make all non-reactive ArcMove properties constant. (Jeff Verkoeyen)
• Make all non-reactive properties on AdjustsAnchorPoint constant. (Jeff Verkoeyen)
• Creates a TimelineView in /supplemental (Andres Ugarte)
• Only keep one animation at a time (Andres Ugarte)
• Improve support for Springs being added to many targets. (Jeff Verkoeyen)
• Resolve warnings detected by Xcode 8.3. (Jeff Verkoeyen)
• Fix previous commit affecting implicit animations on CALayer. (Jeff Verkoeyen)
• Disable actions when writing to CALayer properties. (Jeff Verkoeyen)
• Fix recursive call to .zero() (Andres Ugarte)
• Debug layer for paths and tweaks to the Arc example (Andres Ugarte)
• Make all Tween properties be reactive properties and use shadow pattern to avoid retain cycles in system implementation. (Jeff Verkoeyen)
• Consolidate arc move logic into the interaction file. (Jeff Verkoeyen)
• Rename mapRange to rewriteRange. (Jeff Verkoeyen)
• Rename mapTo to rewriteTo. (Jeff Verkoeyen)
• Add fab transition demo. (Jeff Verkoeyen)
• Moving all source to follow the new systems naming convention. (Jeff Verkoeyen)
• Remove the term director from the code base. (Jeff Verkoeyen)
• Store the last-seen initial value for translated, rotated, and scaled. (Jeff Verkoeyen)
• Remove destinations operator in favor of rewrite. (Jeff Verkoeyen)
• Rename rubberBand.swift to rubberBanded.swift. (Jeff Verkoeyen)
• Threshold and slop now both emit simple events which must be rewritten to more complex types. (Jeff Verkoeyen)
• Split threshold into threshold and thresholdRange. (Jeff Verkoeyen)
• Rename read to _read and move it to foundation. (Jeff Verkoeyen)
• Touch up valve implementation. (Jeff Verkoeyen)
• Clean up and rename arguments for mapRange. (Jeff Verkoeyen)
• Add docs to inverted. (Jeff Verkoeyen)
• Rename distance file to distanceFrom. (Jeff Verkoeyen)
• Add dedupe docs. (Jeff Verkoeyen)
• Rename anchored to anchorPointAdjustment and touch up the docs. (Jeff Verkoeyen)
• Move x and y operators to their own files. (Jeff Verkoeyen)
• Move offset, scaled, and subtracted out to their own files. (Jeff Verkoeyen)
• Move normalized operators out to their own file. (Jeff Verkoeyen)
• Rename _memoize to _remember. (Jeff Verkoeyen)
• Remove unnecessary block from _memoize implementation. (Jeff Verkoeyen)
• Remove dead code in _memoize. (Jeff Verkoeyen)
• Rename min/max to lowerBound/upperBound, respectively. (Jeff Verkoeyen)
• Move min and max out to their own files. (Jeff Verkoeyen)
• Remove excessive asStream cast from operators. (Jeff Verkoeyen)
• Remove dead code and move private APIs to bottom of MotionRuntime. (Jeff Verkoeyen)
• Remove MotionRuntime child APIs. (Jeff Verkoeyen)
• Tidy up and document ReactiveProperty. (Jeff Verkoeyen)
• Add Core Animation event test. (Jeff Verkoeyen)
• Add literals as streams tests. (Jeff Verkoeyen)
• Clean up the MotionObservable implementation and improve test coverage. (Jeff Verkoeyen)
• Rename multicast to _memoize. (Jeff Verkoeyen)
• Comment out debug code. (Jeff Verkoeyen)
• Add metadata and inspection APIs. (Jeff Verkoeyen)
• Remove unused state property from MotionRuntime. (Jeff Verkoeyen)
• Remove multicast operator from anchored. (Jeff Verkoeyen)
• Minor docs standardization in Timeline. (Jeff Verkoeyen)
• Add next-only subscribe method to MotionObservable. (Jeff Verkoeyen)
• Fix memory leak in Spring. (Jeff Verkoeyen)
• Fix memory leak in ReactiveProperty. (Jeff Verkoeyen)
• Remove strong references to the reactive CALayer instance. (Jeff Verkoeyen)
• Clean up and document the Timeline APIs. (Jeff Verkoeyen)
• Extract PathTween from Tween. (Jeff Verkoeyen)
• Expose a Spring instance on Tossable. (Jeff Verkoeyen)
• Remove the state channel. (Jeff Verkoeyen)
• Spring shape updated to better support enabling/disabling and state observation. (Jeff Verkoeyen)
• Tween now makes use of reactive state property instead of state channel. (Jeff Verkoeyen)
• Add whenAllAtRest method to the runtime. (Jeff Verkoeyen)
• Remove core animation assertion in reactive property. (Jeff Verkoeyen)
• Add convenience createProperty for Zeroable types. (Jeff Verkoeyen)
• Add reactive backgroundColor UIView property. (Jeff Verkoeyen)
• Add asMotionState operator for UIGestureRecognizer. (Jeff Verkoeyen)
• Add a completion block to the core animation channel. (Jeff Verkoeyen)
• Expose threshold on TransitionSpring and provide threshold throughout all examples. (Jeff Verkoeyen)
• Add ArcMove interaction. (Jeff Verkoeyen)
• Add Timeline and support for scrubbing core animation layers (Jeff Verkoeyen)
• Support delay in Core Animation tweens. (Jeff Verkoeyen)
• Make the Tween's duration a motion observable (Andres Ugarte)
• Add arcMove path builder function. (Jeff Verkoeyen)
• Add support to Tween for path animations. (Jeff Verkoeyen)
• Add target view support to all gestural interactions. (Jeff Verkoeyen)
• Add default view replicator instance to Transition. (Jeff Verkoeyen)
• valve no longer immediately connects to the upstream. (Jeff Verkoeyen)
• Add support for decomposition of iOS 9 multi-dimensional spring velocity. (Jeff Verkoeyen)
• Don't allow Spring's initialVelocity to change after the stream has been subscribed. (Jeff Verkoeyen)
• Move compose API from TransitionSpring to Spring. (Jeff Verkoeyen)
• Add convenience initializers for gestural interactions to extract gesture recognizers from an array of gesture recognizers. (Jeff Verkoeyen)
• Fix build break due to symbol changes. (Jeff Verkoeyen)
• Add gesture filter operator. (Jeff Verkoeyen)
• Add size reactive property to CALayer. (Jeff Verkoeyen)
• Add slop operator. (Jeff Verkoeyen)
• Add active and atRest operators for gesture streams. (Jeff Verkoeyen)
• Add context view retriever API to Transition. (Jeff Verkoeyen)
• Add translation operator. (Jeff Verkoeyen)
• Change Core Animation's scale key path to transform.scale.xy. (Jeff Verkoeyen)
• Make translated a public operator on reactive UIPanGestureRecognizer. (Jeff Verkoeyen)
• Forward coreAnimation channel events from log operator. (Jeff Verkoeyen)
• Don't adjust anchor point when pan gesture recognizers change state. (Jeff Verkoeyen)
• Add Subtractable and Zeroable conformity to CGSize. (Jeff Verkoeyen)
• Reorder threshold arguments. (Jeff Verkoeyen)
• Make threshold's within parameter a motion observable (Andres Ugarte)
• Allow threshold output to be optional. (Jeff Verkoeyen)
• Add ViewReplicator class. (Jeff Verkoeyen)
• Add inverted operator for Bool streams. (Jeff Verkoeyen)
• Add dedupe operator. (Jeff Verkoeyen)
• Rename debugging.swift to log.swift. (Jeff Verkoeyen)
• Expose the transition controller dismisser. (Jeff Verkoeyen)
• Always layout the fore view controller's view if needed during a transition. (Jeff Verkoeyen)
• Provide a simpler translated operator on reactive drag gesture recognizers. (Jeff Verkoeyen)
• Provide transition directors with the runtime instance directly. (Jeff Verkoeyen)
• TransitionSpring is now a Spring interaction. (Jeff Verkoeyen)
• Allow Springs to be used as property interactions. (Jeff Verkoeyen)
• Update Tween API to match that of Spring. (Jeff Verkoeyen)
• Move Spring and Tween to the interactions folder. (Jeff Verkoeyen)
• Rename TweenSource to TweenToStream. (Jeff Verkoeyen)
• Rename core animation and pop source files to -to-stream convention. (Jeff Verkoeyen)
• Store the container view in ReactiveUIGestureRecognizer and expose a simpler velocityOnReleaseStream API. (Jeff Verkoeyen)
• Rename GestureSource to GestureToStream. (Jeff Verkoeyen)
• Rename ScrollSource to ScrollViewToStream. (Jeff Verkoeyen)
• Rename SpringSource to SpringToStream. (Jeff Verkoeyen)
• Set the default timing function for Tween to the system easeInOut. (Jeff Verkoeyen)
• Add mass and suggested duration to the Spring type. (Jeff Verkoeyen)
• Remove excessive cast in Spring initializer. (Jeff Verkoeyen)
• Replace property.setValue with property.value setter. (Jeff Verkoeyen)
• Remove the SpringConfiguration object and pass Spring directly to the SpringSytem. (Jeff Verkoeyen)
• Rework of Interaction APIs. (Jeff Verkoeyen)
• Allow CGFloat and CGPoint to be used as streams and properties. (Jeff Verkoeyen)
• Add reactive types. (Jeff Verkoeyen)
• Add a containerView to MotionRuntime. (Jeff Verkoeyen)
• Rename sources to systems. (Jeff Verkoeyen)
• Simplify the property declarations for Spring. (Jeff Verkoeyen)
• Core Animation systems pass model value down the next channel. (Jeff Verkoeyen)
• Add anchored operator. (Jeff Verkoeyen)
• Introduce ReactivePropertyConvertible. (Jeff Verkoeyen)
• Make ReactiveProperty a MotionObservableConvertible. (Jeff Verkoeyen)
• Add rubberBand operators. (Jeff Verkoeyen)
• Add merge operator. (Jeff Verkoeyen)
• Introduce MotionObservableConvertible. (Jeff Verkoeyen)
• Reactive properties now create and own their own stream. (Jeff Verkoeyen)
• Rename constant to mapTo. (Jeff Verkoeyen)
• Delete Callback API. (Jeff Verkoeyen)
• Add mapRange operator. (Jeff Verkoeyen)
• Spring now owns its own MotionObservable. (Jeff Verkoeyen)
• Add read operator. (Jeff Verkoeyen)
• Rename map to rewrite. (Jeff Verkoeyen)
• Add multicast operator. (Jeff Verkoeyen)
• Add method for connecting and storing Interactions to MotionRuntime. (Jeff Verkoeyen)
• Add valve operator. (Jeff Verkoeyen)
• Add DirectlyManipulable, Draggable, Rotatable, and Scalable interactions. (Jeff Verkoeyen)
• Add rotated operator. (Jeff Verkoeyen)
• Expose spring configuration as two distinct properties. (Jeff Verkoeyen)
• Add normalized operator for point/size. (Jeff Verkoeyen)
• Add scaled operator. (Jeff Verkoeyen)
• Add option to log for including context. (Jeff Verkoeyen)
• Add anchor point reactive property for CALayer. (Jeff Verkoeyen)
• Add scale reactive property to CALayer. (Jeff Verkoeyen)
• Move CALayer rotation property to CALayer property builder. (Jeff Verkoeyen)
• Expose simulatorDragCoefficient API. (Jeff Verkoeyen)
• Add rotation and scale velocity operators for their related gesture recognizer streams. (Jeff Verkoeyen)
• Provide the model value in the core animation channel. (Jeff Verkoeyen)
• Implement child runtimes. (Jeff Verkoeyen)
• Support initial velocity with core animation springs. (Jeff Verkoeyen)
• Emit the last known state when a property is subscribed to. (Jeff Verkoeyen)
• Expose the spring in AttachWithSpring. (Jeff Verkoeyen)
• Add UIGestureRecognizer property for isEnabled. (Jeff Verkoeyen)
• Add isUserInteractionEnabled property for UIView. (Jeff Verkoeyen)
• Add subtracted operator. (Jeff Verkoeyen)
• Add support for callbacks to the motion runtime. (Jeff Verkoeyen)
• Add map operator. (Jeff Verkoeyen)
• Add min/max operators. (Jeff Verkoeyen)
• Allow threshold to support any Comparable type. (Jeff Verkoeyen)
• Add log operator. (Jeff Verkoeyen)
• Rename onRecognitionState for many states to onRecognitionStates. (Jeff Verkoeyen)
• Add distance operators. (Jeff Verkoeyen)
• Allow the runtime to write any motion observable to a property. (Jeff Verkoeyen)
• Make MotionRuntime's state a reactive property. (Jeff Verkoeyen)
• Fix bugs and clean up the threshold operator API. (Jeff Verkoeyen)
• Add drag stack example. (Jeff Verkoeyen)
• Add arithmetic operators. (Jeff Verkoeyen)
• Add constant operator. (Jeff Verkoeyen)
• Add threshold operator. (Jeff Verkoeyen)
• Expose gesture recognizers on the Transition object. (Jeff Verkoeyen)
• Don't disable user interaction during a transition. (Jeff Verkoeyen)
• Add transition dismisser API. (Jeff Verkoeyen)
• Add support for removing in-flight Core Animation animations. (Jeff Verkoeyen)
• Expose initialVelocity on the TransitionSpring interaction. (Jeff Verkoeyen)
• Rename MotionAggregator to MotionRuntime. (Jeff Verkoeyen)
• Add support for Core Animation in MotionObservable. (Jeff Verkoeyen)
• Implement TransitionSpring. (Jeff Verkoeyen)
• Add destinations operator for Transition.Direction. (Jeff Verkoeyen)
• Make Transition direction a reactive property. (Jeff Verkoeyen)
• Make AttachWithSpring generic. (Jeff Verkoeyen)
• Send state updates for core animation-backed spring animations. (Jeff Verkoeyen)
• Use the provided non-nil keyPath. (Jeff Verkoeyen)
• Add coreAnimationTweenSource. (Jeff Verkoeyen)
• Add TweenSource type. (Jeff Verkoeyen)
• Add Tween type. (Jeff Verkoeyen)
• Port the transitions-objc stack to the new streams runtime. (Jeff Verkoeyen)
• Add MotionAggregator delegate. (Jeff Verkoeyen)
• Make the MotionAggregator's aggregateState readonly. (Jeff Verkoeyen)
• Add Tossable interaction. (Jeff Verkoeyen)
• Implementation of Core Animation spring source. (Jeff Verkoeyen)
• Implement Tap interaction. (Jeff Verkoeyen)
• Add Attach interaction. (Jeff Verkoeyen)
• Start pop springs in the active state. (Jeff Verkoeyen)
• Add tap to change destination interaction. (Jeff Verkoeyen)
• Add Interaction type. (Jeff Verkoeyen)
• Add createProperty API. (Jeff Verkoeyen)
• Add KVO-backed scroll source documentation. (Jeff Verkoeyen)
• Add popSpringSource. (Jeff Verkoeyen)
• Add ScrollSource. (Jeff Verkoeyen)
• Add GestureSource type. (Jeff Verkoeyen)
• Add SpringSource type. (Jeff Verkoeyen)
• Add Spring plan. (Jeff Verkoeyen)
• Fix build failure. (Jeff Verkoeyen)
• Add translated operator. (Jeff Verkoeyen)
• Add velocity operator for UIPanGestureRecognizer. (Jeff Verkoeyen)
• Implement observable properties. (Jeff Verkoeyen)
• Move state emitting logic up in the toggled implementation. (Jeff Verkoeyen)
• Add subscription docs to toggled. (Jeff Verkoeyen)
• Add toggled operator. (Jeff Verkoeyen)
• Typedef all MotionObservable block types. (Jeff Verkoeyen)
• Mark ScopedProperty as a final class. (Jeff Verkoeyen)
• Move next channel to end of _nextOperator operation block. (Jeff Verkoeyen)
• Make MotionObserver a public type. (Jeff Verkoeyen)
• Mark MotionObservable as a final class. (Jeff Verkoeyen)
• Rename _operator to _nextOperator. (Jeff Verkoeyen)
• Rename location to centroid. (Jeff Verkoeyen)
• Fix broken tests. (Jeff Verkoeyen)
• Update and lock the IndefiniteObservable dependency to 3.0 (Jeff Verkoeyen)
• Add x/y operators on CGPoint. (Jeff Verkoeyen)
• Move all operators to a protocol type, ExtendableMotionObservable. (Jeff Verkoeyen)
• Rename GestureSource.swift to gestureSource.swift (Jeff Verkoeyen)
• Add MotionAggregator implementation. (Jeff Verkoeyen)
• Remove is: argument from onRecognitionState. (Jeff Verkoeyen)
• Make location use _map instead of _operator. (Jeff Verkoeyen)
• Pass the next channel to _operator operations rather than the observer. (Jeff Verkoeyen)
• Rename ScopedWriteable to ScopedWritable. (Jeff Verkoeyen)
• Add recognitionState operators. (Jeff Verkoeyen)
• Add gestureSource. (Jeff Verkoeyen)
• Use T instead of V for generic value types. (Jeff Verkoeyen)
• Add write operator. (Jeff Verkoeyen)
• Move foundation operators to foundation/ folder. (Jeff Verkoeyen)
• Implement ScopedProperty and some basic UIView properties. (Jeff Verkoeyen)
• Remove spec links. (Jeff Verkoeyen)
• Add _filter operator. (Jeff Verkoeyen)
• Add _map operator. (Jeff Verkoeyen)
• Add _operator operator. (Jeff Verkoeyen)
• Standardize internal generic types. (Jeff Verkoeyen)
• Add initial implementation of MotionObservable. (Jeff Verkoeyen)

Non-source changes

• Add an ink splash effect to the material expansion demo. (Jeff Verkoeyen)
• Reorder badges. (Jeff Verkoeyen)
• Remove swift from readme title. (Jeff Verkoeyen)
• Update README.md (featherless)
• Add Swift and iOS version number badges. (Jeff Verkoeyen)
• Move ArcMove back to the interactions table. (Jeff Verkoeyen)
• Enable code coverage when building the catalog. (Jeff Verkoeyen)
• Trim down the arc move example's code and move most logic to the example source. (Jeff Verkoeyen)
• Restore the timeline to the ArcMove example. (Jeff Verkoeyen)
• Add material expansion case study to the README. (Jeff Verkoeyen)
• Add a Material Expansion example. (Jeff Verkoeyen)
• Remove example from the Catalog. (Jeff Verkoeyen)
• Remove "How to use constraints" example. (Jeff Verkoeyen)
• Add "How to apply constraints" page. (Jeff Verkoeyen)
• Add a "Visualizing the runtime" page. (Jeff Verkoeyen)
• Fix small typo. (Jeff Verkoeyen)
• Add "How to create new interactions" to the playground. (Jeff Verkoeyen)
• Run automated linter. (Jeff Verkoeyen)
• Add "How to combine interactions" doc. (Jeff Verkoeyen)
• Fix catalog build. (Jeff Verkoeyen)
• Fix unit tests. (Jeff Verkoeyen)
• Rewording the how to use a spring page. (Jeff Verkoeyen)
• Add how to use a spring playground page. (Jeff Verkoeyen)
• Add Introduction section to playground. (Jeff Verkoeyen)
• Clean up playground examples using primary colors. (Jeff Verkoeyen)
• Use primary color in interactive push back transition. (Jeff Verkoeyen)
• Fix alphabetical ordering of examples. (Jeff Verkoeyen)
• Fix urls. (Jeff Verkoeyen)
• Move arc move to a material design section. (Jeff Verkoeyen)
• Add carousel case study to the readme. (Jeff Verkoeyen)
• Add modal dialog case study to the readme. (Jeff Verkoeyen)
• Add fab transition to readme. (Jeff Verkoeyen)
• Fix project naming and imports. (Jeff Verkoeyen)
• Fix podfile. (Jeff Verkoeyen)
• Remove link. (Jeff Verkoeyen)
• Fix link. (Jeff Verkoeyen)
• Fix links. (Jeff Verkoeyen)
• Add contextual transition case study to the readme. (Jeff Verkoeyen)
• Add sticker picker case study. (Jeff Verkoeyen)
• Touching up the wording. (Jeff Verkoeyen)
• Fix import statement. (Jeff Verkoeyen)
• Fix library name in README.md. (Jeff Verkoeyen)
• Add interaction table to README.md. (Jeff Verkoeyen)
• Clean up visual style for all examples. (Jeff Verkoeyen)
• Remove pop dependency. (Jeff Verkoeyen)
• Fix urls again. (Jeff Verkoeyen)
• Fix project link. (Jeff Verkoeyen)
• Add a swift playground with a couple pages of examples. (Jeff Verkoeyen)
• Organizing the example view controllers in groups and cleaning up their implementations. (Jeff Verkoeyen)
• Cleaning up the example structure. (Jeff Verkoeyen)
• Fix title of catalog app. (Jeff Verkoeyen)
• Fix travis script invocation. (Jeff Verkoeyen)
• Add a crummy custom operator example. (Jeff Verkoeyen)
• Add a reactive draggable constraint example. (Jeff Verkoeyen)
• Create two dedicated Draggable examples. (Jeff Verkoeyen)
• Simplify the contextual transition demo. (Jeff Verkoeyen)
• Clean up the interactive push back transition demo. (Jeff Verkoeyen)
• Simplify the modal dialog example using Tossable and TransitionSpring. (Jeff Verkoeyen)
• Ensure that a flick with enough velocity will dismiss the contextual transition. (Jeff Verkoeyen)
• Update Podfile.lock. (Jeff Verkoeyen)
• Point to repo. (Jeff Verkoeyen)
• Remove all IndefiniteObservable imports. (Jeff Verkoeyen)
• Add a carousel demo. (Jeff Verkoeyen)
• Add arc move example. (Jeff Verkoeyen)
• Add a sticker picker example. (Jeff Verkoeyen)
• Add a contextual transition. (Jeff Verkoeyen)
• Small tweaks to InteractivePushBack transition example (Andres Ugarte)
• Minor cleanup of the push back example. (Jeff Verkoeyen)
• Use TransitionSpring in the push back example. (Jeff Verkoeyen)
• Remove excess type signature in Tween initialization. (Jeff Verkoeyen)
• Add interactive push back example. (Jeff Verkoeyen)
• Add push back transition example. (Jeff Verkoeyen)
• Center views in the the examples (Andres Ugarte)
• Rasterize cards to reduce perceived aliasing (Andres Ugarte)
• Minor cleanup of directly manipulable example. (Jeff Verkoeyen)
• Add directly manipulable example. (Jeff Verkoeyen)
• Interactive deck of cards. (Jeff Verkoeyen)
• Update IndefiniteObservable. (Jeff Verkoeyen)
• Update Podfile.lock (Jeff Verkoeyen)
• Rename TapProducer to TapSubscription. (Jeff Verkoeyen)
• Send emails on build failure. (Jeff Verkoeyen)