Cross building UE4Editor from Windows to Linux has incorrect runtime dependencies on DSO's

UE - Platform - Linux - Jan 23, 2019

Editor that was cross-built on Windows reportedly cannot start (using a Windows Subsystem for Linux or a VM). ...

Allow promote to variable on Color structs/Vertex Colors structs for Procedural Mesh components

UE - Gameplay - Oct 13, 2015

Issue: Currently, it is not possible to make a variable of type "Color" specifically for the color struct on procedural mesh components (see image attached). This is the only variable on procedura ...

called custom functions do not update parameter names upon compile, must be replaced

UE - Gameplay - Blueprint - Apr 21, 2015

Parameter names do not update on custom functions that are already called in event graph after compiling blueprint. ...

Layered destructible meshes do not simulate correctly

UE - Simulation - Physics - Destruction - Aug 10, 2015

Layered destructible meshes do not simulate in the same way between UE4 and PhysX Lab. The observed issues are: 1) After first fracture no more damage is applied 2) Areas seem to react differently ...

Separate Translucency for Particles Breaks when Scene Color is used

UE - Graphics Features - May 12, 2015

When using Scene Color in a Particle System's Material with Separate Translucency checked true, all Particles with Separate Translucency checked true placed in the level with the Scene Color Particl ...

Character Upon Landing On Moving Platform Has Odd Physics Behavior

UE - Simulation - Physics - Nov 2, 2016

The character gets pushed in the same direction that the platform is moving upon landing. This can be corrected by increasing the braking friction factor however, the user believes the behavior is s ...

[CrashReport] AppleIntelBDWGraphicsGLDriver!USC::CPassSsaAllocatorContext::RollbackSpillFillToCopies()

UE - Platform - Apple - Sep 2, 2016

Error message: SEGV_MAPERR at 0x3a Source Context: Most recent user affected CL: 3106830 (4.13.0) Logs: [Link Removed] [Link Removed] [Link Removed] CrashReporter User Descriptions:UE4.13 immed ...

Actor Components Tick Automatically with Auto Activate Set to False

UE - Gameplay - Oct 17, 2016

Actor Components with Auto Activate set to false are still ticking. If you activate the component on begin play, set a short delay, and then deactivate it, the ticking will stop, which is inconsis ...

Ad banner is displayed incorrectly on Android 7.0 devices

UE - Platform - Mobile - Feb 24, 2017

GameActivity.java needs to be updated to show the ad popup window on Android 7.0 devices. GameActivity.java uses Gravity.BOTTOM or Gravity.TOP to place the ad. One thing to try would be to edit ...

Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume

UE - Gameplay - Apr 11, 2017

Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...