UMG Widgets using User Interface Material Domain do not render on Android Devices

UE - Platform - Mobile - Jan 19, 2016

When using a Blueprint Widget that has an image using a material in the User Interface Material Domain will not render when it's a newly created project in 4.11. However, if you were to copy a proje ...

Cooker: When cooking all maps, all assets are cooked even if not referenced by any level

UE - Foundation - Core - Cooker - Feb 2, 2015

I noticed that if you cook with -allmaps instead of specifying each map like -map=map1+map2..., that it seems to cook all assets in your game's content folder, whether or not it's used in any maps o ...

ACharacter JumpMaxHoldTime quickly prevents jumping on the server

UE - Gameplay - Blueprint - Sep 18, 2017

-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...

[CrashReport] UE4Editor_Engine!FShaderCompileUtilities::DoReadTaskResults() [shadercompiler.cpp:663]

UE - Graphics Features - Dec 6, 2017

Top Crash in 4.18 release Users have provided no comments on the issue Source Context:// Read single jobs 651 { 652 int32 SingleJobHeader = -1; 653 OutputFile << Si ...

[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.

UE - Graphics Tools - PCG - Components - Oct 31, 2025

Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...

FCameraShakePreviewer retains world-outered UCameraShakeBase instances indefinitely, fataling CheckForWorldGCLeaks on editor map change

UE - ACT Character - Sequencer - Aug 21, 2026

FCameraShakePreviewer is an FGCObject that strongly references the UCameraShakeBase instances it previews, and creates them outered to the previewed UWorld. Nothing releases them on world teardown, ...

LIVE: Control+Right (Skip Word) in Multi-Line Text Field Freezes Editor

Tools - Oct 30, 2014

In any multi-line text field, scrolling to the end of the last line with the control+right (skip word) command will freeze the editor. In the AnswerHub thread, user twiddle linked to a Pull Request ...

BSPs cannot be selected through other BSPs set to hidden

UE - LD & Modeling - Modeling Tools - BSP - Nov 17, 2015

BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...

Groups Selected in Viewport Are Not Selected in World Outliner Causing Unexpected Results

Tools - Jan 14, 2016

Selecting objects that are grouped together in the viewport will not highlight the group actor in the World Outliner. One known result of this is, after selecting the group in the viewport, right-cl ...