Unreal Engine Issues
Unreal Engine Issues
Normals are wrong on grouped sprites, causing issues when they are using lit materials
UE - Gameplay - Paper2D - Jul 12, 2016The normals for each sprite in a grouped sprite component are always as if the sprites were rotated (0,0,0), which is incorrect. Each sprite should have correct normals and look the same as if it w ...
UMG Designer preview: Incorrect resolution on Samsung s8 and s9
UE - Editor - UI Systems - Jul 30, 2018"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...
New C++ Class (actor) fails to build
UE - Core - Cpp Tools - Mar 8, 2022While trying to create a C++ actor to test if it can be created with a custom Copyright notice specified in Project Settings, the Live Coding window returns a "Build failed" and error of: "ERROR: U ...
SkyLight makes level entire green on Android devices
UE - Platform - Mobile - Aug 10, 2016https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...
Multiple templates have Can't Find File warnings when cooking content for Mac
UE - Foundation - Core - Cooker - Jan 13, 2016The following Can't Find File warnings appear for the Flying Code and BP projects when cooking content for Mac.MainFrameActions: Cooking (Mac): UE4Editor: [2016.01.13-20.14.37:469][ 0]LogInit:Displ ...
Editor crash when Use Dynamic Material Instance is set to "True" on landscape
UE - LD & Modeling - Terrain - Landscape - Mar 23, 2018Setting "Use Dynamic Material Instance" to true in the landscape details will cause the editor to crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. This feature is not available in 4.18.3. ...
After adding MovieSceneObjectPropertyTrack from BP or Python, clicking the pull down of the added track occurs crash
UE - Anim - Sequencer - Sep 6, 2019When MovieSceneObjectPropertyTrack is added from BP or Python, PropertyClass of UMovieSceneObjectPropertyTrack becomes null, so it crashes with the following processing of SPropertyMenuAssetPicker : ...
Crash when attempting to revert a Child blueprint from overriding its parent's function while it also has a child of its own
Tools - Dec 4, 2017When reverting the change of overriding a function from a blueprint's parent, the editor will crash if that blueprint has a child of its own. Regression?: No This also occurred in 4.16 ...
Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash
UE - Platform - Mobile - May 21, 2018Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...
Package fails to load due to EditorOnly data when launched onto Mac or Windows
UE - Foundation - Core - Jun 28, 2017LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...