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 ...

Motion Blur creates dark artifacts on bottom of screen in editor

UE - Graphics Features - Aug 15, 2016

When motion blur is active and the view port is in motion there will be a dark artifact visible at the bottom of the screen. Normally this isn't very noticeable however the effect worsens with speed ...

[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 ...

Engine crash when Scene Capture Component 2D is added to viewport with forward rendering

UE - Graphics Features - Nov 26, 2016

If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...

Actor Position Node Returns Parent Position Not Actor With Material Applied

UE - Graphics Features - Feb 9, 2017

The actor position node normally returns the position of the actor with with material applied in world space. As of 4.14 it will return the parent's position rather than the child actor's position t ...

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 ...

material clamps with Panner for HTML5 when texture size is not power of two

UE - Platform - Mobile - Apr 25, 2017

When launching for HTML 5 and using a texture or image that is not a power of two in size the texture does not pan correctly, instead of panning as expected, the material clamps and will remain that ...

Renaming a Gameplay Tag does not update all references

UE - Gameplay - Jul 26, 2017

When a gameplay tag is renamed, gains a prefix/suffix, or is changed the updates to the tag are not being reflected in blueprints where the value has already been stored. This occurs in the case of ...