Unreal Engine Issues
Unreal Engine Issues
Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor
UE - Gameplay - Blueprint Editor - Jun 29, 2017When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...
Using Open Source to open a StreamingMediaSource on Android causes a slight freeze on some devices
Media Framework - Mar 11, 2019Calling Open Source to open a Streaming Media Source causes a freeze to occur on Android when it is called. This does not happen on all devices. When testing this issue, I reproduced this issue on a ...
Generating Lightmap UVs doesn't automaticly switch LightMapCoord Index
Tools - Jul 17, 2015When Import a meshes then open the staticmesh editor and turn on the "Generate Lightmap UVs" in the Build Settings. Then hit apply button to genereate the Lightmaps. It will generate the Lightmap bu ...
TextRenderComponents not parallel safe. Can cause crash
UE - Graphics Features - Feb 28, 2017Licensee has reported intermittent crashes when loading a map that contains Child Actors with Text Render Components. When the child actor blueprint is spawned all of the text render components st ...
RecastNavMesh is not generated at loaded sublevel
UE - AI - Aug 16, 2018RecastNavMesh is not generated at the sub level dynamically added in C ++ in 4.20. In 4.18, 4.19 it was generated normally. Probably, changes to the large number about NavMesh systems from 4.19 to ...
Soft References resolved at Runtime result in References to Persistent Assets
UE - Gameplay - Aug 23, 2018It is believed that soft references resolved during runtime, point to the edit time instances of actors instead of the runtime instances. This issue does not reproduce when it is called from an Inp ...
There is no obvious way to disable Auto Exposure in a post process volume
UE - Rendering - Features - Jan 31, 2022There is no easy way to disable auto-exposure on a per-component basis. This is a big source of confusion for people new to Unreal. The work around is to set Min and Max Brightness to 1 or set to ...
Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot
UE - AI Workflows - UI Systems - UMG - Feb 10, 2023Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...
Fix textureLOD for PowerVR workaround
UE - Platform - Mobile - Mar 9, 2015https://forums.unrealengine.com/showthread.php?61511-A-few-questions-in-regard-to-texture-compression-reflections-and-deployment&highlight=powervr This code was added back on 8/2013, changelist 178 ...
Mouse cursor does not disappear when widget has focus
UE - Editor - UI Systems - Nov 20, 2017THere is an issue with the Mouse cursor when using UMG with the set show mouse cursor option. after setting the set show mouse cursor off pressing a widget and giving it focus causes the mouse curso ...