Crash when opening a sequence with an additive control rig track

Tools - Sequencer - Apr 27, 2020

The editor crashes when opening a sequence with an additive control rig track ...

Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer

Tools - Sequencer - Apr 24, 2020

This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24).  In Sequencer: [Image Removed] In Maya: [Image Removed] ...

The behavior of translucent sorting is different between 4.23 and later.

Rendering - Features Teams - Apr 24, 2020

Also, from 4.23 onwards, if you move the mesh back and forth, the order of the  translucent sort will be switched. ...

Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state

Tools - UMG - Apr 24, 2020

With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...

Canvas Render Target 2D doesn't get alpha mask when rendering with ES3.1

Platform - Mobile - Apr 23, 2020

The Alpha Mask on a Canvas Render Target 2D no longer appears when rendering with ES3.1. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 7 (CL-12759524) ...

Paper2D tile maps cannot be edited via the modes toolbar in viewport, after they are placed in a level and promoted to an instance

Tools - Apr 20, 2020

Paper2D tile maps cannot be edited via the modes toolbar in viewport, after they are placed in a level and promoted to an instance ...

Corrupted Japanese text when packaging for Android

Platform - Mobile - Apr 17, 2020

Garbled text is displayed when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should be fixed ...

Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters

Physics - Mar 5, 2020

When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...

[CrashReport] UE4Editor-Engine!FMaterialShaderMap::ProcessCompilationResults(TArray<FShaderCommonCompileJob *,TSizedDefaultAllocator<32>

Rendering - RHI - Feb 21, 2020

Generated from CrashReporter ErrorMessage: Assertion failed: Shader [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/Materials/MaterialShader.cpp] [Line: 1811] Comments: Compile ...

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12

Rendering - RHI - Dec 2, 2019

Crash when enabling Level of Detail Coloration viewmodes in the Dataprep editor while using DX12 This crash does not occur when the project is opened with DX11. Note that the Dataprep editor does ...