Ctrl-Z does not function in Static Mesh Editor

Tools - May 26, 2015

When applying a Material to a Static Mesh in the SM Editor, an event for the undo function is never created and when you undo you are undoing the last action outside of the SM Editor. Also reproduc ...

Widgets appear to be offset when launching on to Chrome or other HTML platform

UE - Platform - Mobile - Nov 9, 2016

Widgets appear to be offset when launching on to Chrome or other HTML platform. The widget appears to be offset and unclickable until the window for the browser is resized. ...

Lightmass crash after finished building and hitting save

UE - Foundation - Core - Mar 19, 2015

User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...

Input not recognized from 'Any Key' when set as an Action Mappings Binding

UE - Gameplay - Jul 12, 2018

The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...

MAC: Very slow texture compression times in Editor

UE - Platform - Apple - Mar 25, 2015

There have been a number of complaints about the time it takes to build projects on the Mac - the consistent theme as in the additional URL - is that the editor is thrashing compressing textures. It ...

Fix log spam when using a vive wireless adpater

UE - Platform - XR - Dec 19, 2018

We need to handle TrackedDeviceClass_DisplayRedirect as a valid device in SteamVRController.cpp ...

Cloth Asset - Crash when importing morph targets into clothing

UE - Simulation - Visual - Oct 20, 2025

The sim morph import has been broken after a change to make it work for cooked assets. Ticking the Import Sim Morph Targets checkbox crashes as soon as a skeletal mesh with morph target is specifie ...

Tessellation used on BSP causes severe graphical glitches on AMD cards

UE - Graphics Features - Jun 3, 2015

Tessellation used on BSP causes severe graphical glitches on AMD Radeon 200 Series cards. The Licensee also mentioned it occurs on the Nvidea GTX 970 (not tested) ...

Static + Dynamic CSM shadowing causes shadow acne for skeletal meshes on iOS

UE - Platform - Mobile - Jun 7, 2016

User reports Static + Dynamic CSM seems to cause horrible shadow acne on skeletal meshes. Believed to be the iOS depth bias issue. ...