Add Font Override Dropdown Acts Unresponsive to Mouseclick

Tools - Oct 4, 2016

When creating a new Sub-Font Family the user should be able to add a font to the Sub-Font by clicking the Add Font Override dropdown. The dropdown would then give the user the Font option. However ...

PN Tessellation and Grass Node Crash Engine

UE - LD & Modeling - Terrain - Landscape - May 14, 2015

Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...

Crash when hot reloading after adding HISM Component class

UE - Foundation - Cpp Tools - Hot Reload - May 15, 2017

After adding a class based on "Hierarchical Instanced Static Mesh Component", any attempt to hot reload, from Visual Studio or within the editor, causes the editor to crash. Regression: No - crash ...

Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash

UE - Gameplay - Blueprint - Sep 9, 2016

If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...

Engine Hangs after Exiting Standalone Mode

UE - Graphics Features - Dec 1, 2016

Users are reporting hangs after exiting Standalone or other various windows launched through the editor. The resolution has already been found, but I am reporting for transparency. Note In order t ...

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

Tools - Dec 31, 2019

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...

Overridden functions in Child Blueprints cannot be converted to/from pure functions

UE - Gameplay - Blueprint - Jun 27, 2015

Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...

Functions in the Level Blueprint throw a warning on PIE

UE - Gameplay - Blueprint - Mar 3, 2015

Functions in the Level Blueprint throw a warning on PIE: LogBlueprint:Warning: FMemberReference::ResolveMember (NewFunction_0) bSelfContext == true, but no scope supplied! Every function logs thi ...

Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor

UE - Simulation - Physics - Jun 20, 2016

Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor during PIE. NOTE: This issue occurs whether or not simulate physics is active on the destructible mesh compone ...

[CrashReport] MetalRHI crash - void FForwardLightingParameters::Set<FRHICommandList, FRHIPixelShader*>

UE - Graphics Features - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. User DescriptionsI tried to build the lighting and it keeps crashingWhenever I attempt to build the project or change the preview rendering to IO ...