Unreal Engine Issues
Unreal Engine Issues
UDN Bug: ASTC compression becomes greyscale
UE - Runtime - Mutable - Feb 13, 2025Bug reported at https://udn.unrealengine.com/s/question/0D5QP00000tOpXN0A0/using-mutable-plugin-results-in-greyscale-textures-on-android-xr?fromCase=1 ...
GlobalShaderCache file is missing when Direct X 11 SM5 is disabled for packaging
UE - Graphics Features - Nov 16, 2016When trying to launch a .exe after disabling SM5 in the project settings, an error will appear. The global shader cache file ../../../../Engine/GlobalShaderCache-PCD3D_SM5.bin is missing. ...
Set Morph Target not being sent to children of Inherited Mesh
OLD - Anim - Sep 4, 2015In previous versions of UE4, Set Morph target to call the Inherited Mesh and would result in any children of the Inherited Mesh that shared that morph target name to morph. In UE4.9 this no longer ...
Crash when removing Blueprint function
UE - Gameplay - Blueprint Compiler - Apr 23, 2018The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...
A Blueprint created from Actors in the level does not preserve the relationship (hierarchy and transforms) of both components
UE - Gameplay - Blueprint - Aug 11, 2015A Blueprint created from Actors in the level does not preserve the relationship (hierarchy and transforms) of both components. Reproduced in 4.8.3 binary, 4.9 Release (//depot/UE4-Releases/4.9/Prom ...
Extra Game Mode frames are rendered between Shots
UE - Anim - Sequencer - Oct 17, 2016Extra Game Mode frames are rendered between Shots Regression: YES Worked: 4.13.1 CL:3142249 Broken: 4.14 Releases CL:3164219 ...
In the DragForce module drag amounts greater than one can accelerate the particle instead of slowing it down.
UE - Niagara - Jun 10, 2019Drag force allows for values greater than 1, which can cause the drag force to exceed the initial velocity, which will continue to compound until a NaN is reached or the particle's lifetime is up. ...
USD Stage is not available on Mac and Linux
UE - Editor - Content Pipeline - Import and Export - Dec 17, 2019On Mac and Linux the option to open the USD Stage window is not there like it is on Windows. This is not a regression since USD Stage was not preset in 4.23.1 (CL-9631420) on any platform. ...
Size input box too narrow in UMG Widget Editor
UE - AI Workflows - UI Systems - Jan 24, 2022Only 2 digits are visible in the size box that holds values between 1.0 and 0. Meaning most values will contain 3 digits. This is different from UE4 where more digits are visible. ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...