Unreal Engine Issues
Unreal Engine Issues
Morph Target Sets to Zero When Transitioning From 1 to -1 Causing Flickering
OLD - Anim - Jan 16, 2018-Morph target cycles through all values instead of only alternating between 1 and -1 -Couldn't reproduce in 4.17 -attached a test morph target asset Link to example video from user: [Link Removed] ...
Syncing issue when stopping and blending out a non-looping montage to an anim graph
UE - Anim - Gameplay - Feb 7, 2023When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...
Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts
UE - Texture - May 14, 2025There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...
Select Node literals not populated when type resolved by connecting a pin
UE - Gameplay - Blueprint Editor - May 4, 2017When you connect a pin to a select node and determine the type of the wild card pins the other option pins do not have their literal populated. This occurs for enums where no option is select and n ...
Lighting channels are not supported with tiled lighting
UE - Graphics Features - Aug 15, 2016Reported via UDN ...
Transform Track can't be edited for a empty actor dragged directly from Modes panel
UE - Anim - Sequencer - Oct 27, 2017This is a remaining case of [Link Removed]. If you drag and drop an empty actor from Modes panel to Sequencer, the actor's transform track can't be edited. ...
Crash in GPUMessage.cpp when resetting FSocket when RHI is NullRHI.
UE - Rendering Architecture - RHI - Apr 5, 2025When tearing down a nanite project with the nullrhi active, there is a crash in the FeedbackManager destructor that causes any exit to be unclean. The teardown process causes a crash as the destruc ...
Montage Time Stretch Curves Scale Incorrectly
UE - Anim - Runtime - Apr 13, 2022More details in attached UDN [Link Removed] Time stretch curve behaves incorrectly with large sections of in-between values. From the UDN: After using the feature a bit more we also noticed tha ...
Shaders are compiled for Engine on first launch after fresh download
UE - Foundation - Build - Rocket (Installed Engine) - Dec 21, 2016Engine DDC doesn't appear to be included with fresh install of 4.15 Engine. Upon launching editor for first time, ShaderCompileWorker Process startup and user gets notification shaders are compili ...
Anisotropy of material looks different when set via a scalar parameter node connected to the material node
UE - Graphics Tools - Texturing Tools - Apr 15, 2025The Anisotropy of a material looks different when set on the material output node vs when set via a scalar parameter node connected to the material node ...