### Improvements

*   Android: Proguard is no longer enabled by default for gradle release builds.
*   Android: Release gradle builds now signed with a debug key instead of failing to build.
*   GI: Various lightmap seam stitching improvements for Progressive Lightmapper.
*   IL2CPP: Improved incremental build performance on OSX.
*   Playables: Updated the Playable API documentation.
*   Playables: Updated Playable.ConnectInput to take take an optional weight parameter.

### Fixes

*   ([934841](https://issuetracker.unity3d.com/product/unity/issues/guid/934841/)) - Android: Fixed android video player playback starting to lag after activating input field.
*   ([931038](https://issuetracker.unity3d.com/product/unity/issues/guid/931038/)) - Android: Fixed android video player stuttering and dropping frames.
*   ([942625](https://issuetracker.unity3d.com/product/unity/issues/guid/942625/)) - Android: Fixed symbols.zip not including symbols file.
*   (951350) - Collab: Fixed project manifest not being tracked in Collab.
*   (957525) - Editor: Fixed incorrect framing of GameObject hierarchies in Scene View.
*   ([953301](https://issuetracker.unity3d.com/product/unity/issues/guid/953301/)) - Editor: Fixed SceneView bounds calculations not taking multiple colliders and renderers into account when calculating the framing and centre - point.
*   ([947024](https://issuetracker.unity3d.com/product/unity/issues/guid/947024/)) - Editor: Fixed curve WrapModeIcon drawing when the Curve window is embedded into another window.
*   (943051) - Editor: Fixed Scene view picking sometimes not selecting the topmost object.
*   (961428 [925381](https://issuetracker.unity3d.com/product/unity/issues/guid/925381/)) - Editor: Fixed issue where performing a drag and drop operation to a GameObject that is being edited in the Preview window of Timeline would apply changes to its associated Prefab that cannot be reverted.
*   ([935149](https://issuetracker.unity3d.com/product/unity/issues/guid/935149/)) - GI: Fixed MaterialPropertyBlock values for Meta pass when using on terrain mesh with Realtime GI.
*   ([929875](https://issuetracker.unity3d.com/product/unity/issues/guid/929875/)) - GI: Fixed the UI in inspector not correctly showing light mode when multiple lights are selected.
*   ([851817](https://issuetracker.unity3d.com/product/unity/issues/guid/851817/)) - GI: Fixed crash when deleting Speedtree asset files from project folder when in use by prefab.
*   ([930221](https://issuetracker.unity3d.com/product/unity/issues/guid/930221/)) - GI: Fixed shadows when shadow prepare job is not run.
*   ([950907](https://issuetracker.unity3d.com/product/unity/issues/guid/950907/)) - Graphics: Fixed potential hang with DirectX11 or DirectX12 when using different sized render targets and multiple cameras.
*   ([954828](https://issuetracker.unity3d.com/product/unity/issues/guid/954828/)) - Graphics: Fixed culling of projectors not matching Editor scene cameras..
*   (840098) - Graphics: Fixed incorrect calculation of the Umbra occlusion culling near plane from the camera settings.
*   (956877) - Graphics: MeshRenderers with disabled "Dynamic Occluded" property were not being frustum culled.
*   ([952043](https://issuetracker.unity3d.com/product/unity/issues/guid/952403/)) - IL2CPP: Fixed crash when calling Socket.GetSocketOption using latest scripting runtime.
*   ([943671](https://issuetracker.unity3d.com/product/unity/issues/guid/943671/)) - IL2CPP: Fixed ArgumentException when accessing Socket.LocalEndPoint.
*   (966623) - IL2CPP: Fixed crash in thread pool during shutdown.
*   (966830) - iOS: Fixed an issue where the development team ID was not written to the Xcode project in manual signing mode.
*   (962793 [960914](https://issuetracker.unity3d.com/product/unity/issues/guid/960914/)) - iOS: Fixed the Screen.dpi() method in the Trampoline code not returning the correct number of DPI in iPhone 8, iPhone 8+ and iPhone X.
*   ([963865](https://issuetracker.unity3d.com/product/unity/issues/guid/956196/)) - OSX: Fixed Editor crash when using GLCore on High Sierra with Intel 6xxx series GPU.
*   ([957044](https://issuetracker.unity3d.com/product/unity/issues/guid/957044/)) - Physics: Fixed Collider2D crashing when disabled by an animation.
*   (960530) - Physics: Fixed previously ignored collision not being ignored when recreating 2D physics contacts.
*   ([960775](https://issuetracker.unity3d.com/product/unity/issues/guid/960775/)) - Prefabs: Fixed issue where resetting SerializedProperty.prefabOverride for one property could incorrectly reset other properties.
*   (None) - Shaders: Fixed importing a shader include file only clearing the include cache on a single shader compiler process leaving all the other processes with outdated include files in the cache.
*   ([944334](https://issuetracker.unity3d.com/product/unity/issues/guid/944334/)) - Graphics: Fixed issue where some user shader keywords were handled incorrectly leading to compilation errors when building for standalone.
*   ([951036](https://issuetracker.unity3d.com/product/unity/issues/guid/951036/)) - UWP: Fixed issue where `ComputeBuffer.SetData()` and `ComputeBuffer.GetData()` returned empty result when running on .NET scripting backend and the array types weren't referenced from any parameters.
*   (None) - Video: Fixed crash in VideoPlayer when stopping and callbacks were pending.
*   (None) - VR: Fixed incorrect stereo eye offsets in Windows Mixed Reality.
*   ([910488](https://issuetracker.unity3d.com/product/unity/issues/guid/910488/)) - WWW: Fixed reading of local files not working in UWP with UnityWebRequest.
*   ([949418](https://issuetracker.unity3d.com/product/unity/issues/guid/949418/)) - WWW: Fixed WWW class regressions related to throwing NullReferenceException
*   (None) - XR: Fixed Windows Mixed Reality applications not reporting an updated boundary if it has been reconfigured while the app was running.

### Known Issues

*   ([971024](https://issuetracker.unity3d.com/product/unity/issues/guid/971024/)) - Editor: Focusing on Canvas focuses on child object when pivot is in center mode.
*   ([971895](https://issuetracker.unity3d.com/product/unity/issues/guid/971895/)) - Editor: Center pivot point of UI objects is not consistent.

Revision: 40117ac43b95