Unreal Engine Issues
Unreal Engine Issues
IsPlayInMobilePreview does not return true when using Mobile Preview
UE - Platform - Mobile - Apr 11, 2019A user has reported that the IsPlayInMobilePreview function does not return true when playing in Mobile Preview. From looking at the function, it seems to be looking specifically for the commandline ...
Unable to zoom in on a BP graph in VR Mode
UE - Editor - Workflow Systems - Jun 15, 2018I am unable to zoom in on the BP graph with the Oculus touch controllers. If I have the graph focused and I pull back on the thumbstick or press the thumbstick down then I can zoom out. This issue d ...
Sprite fails to edit based on UV Source Texture Region, when attempting to bulk edit via Bulk Edit Property Matrix.
UE - Gameplay - Paper2D - Feb 12, 2020Sprite fails to edit based on UV Source Texture Region, when attempting to bulk edit via Bulk Edit Property Matrix. User was following along to this Epic tutorial: [Link Removed] However, the e ...
Menus flash when being opened with application scale adjusted
UE - Editor - UI Systems - Slate - Jun 1, 2021When application scale is adjusted the menu bar menus will flash when they are opened. This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT occurring in // ...
Shader compilation failure crash with DX12, Tesselation, Distance fields, Instanced Stereo, and Hierarchical LOD Coloration viewmode
UE - Graphics Features - Aug 5, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Regression - YES Shader compilation failure crash with DX12, Tesselation, Instanced Stereo, and Hierarchical ...
Path Tracing denoiser is not stable in animation
UE - Graphics Features - Nov 30, 2021When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...
GetStaticMeshViewport() is called without checking if it returns a valid viewport causing the Editor to crash
UE - Editor - Dec 9, 2021This is not a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary //UE5/Release-5.0 CL18407655 Personal P4 When opening a static mesh without ...
Crash after importing a 16k Normal Map while Unreal Real is Preparing Texture
UE - Texture - Sep 12, 2022This is a regression tested in //UE4/Release-4.27 cl18319896 Editor crashes after importing a 16k Normal Map while Unreal Real is Preparing Texture. Other non-normal maps seem to work without issue ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
Improper clipping in children of a retainer widget
UE - Editor - UI Systems - Slate - Jan 21, 2025Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...