Unreal Engine Issues
Unreal Engine Issues
Setting a value Material Parameter Collection to Material will cause crash
UE - Graphics Features - May 2, 2016Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...
Line Trace Does Not Register Hit On Bottom Of Landscape
UE - Simulation - Physics - Dec 15, 2016When using a line trace under a landscape it no longer registers a hit on the underside. REGRESSION? Yes Worked 4.13.2 CL 3195953 Broken 4.14.1 CL 3224400 ...
Importing skeletal mesh with LODs and no animations generates additional skeleton and physics assets
Tools - Jan 13, 2017Does not occur in 4.14.3 binary or 4.16 perforce. Occurs in both P4 and Binary builds of 4.15. Only occurs with Import Mesh LODs enabled and Import Animations disabled. ...
Inconsistent line ending prompts occur in Visual Studio after adding Vehicle C++ feature pack
UE - Gameplay - Jan 20, 2017When opening Visual Studio after adding C++ Vehicle content to a project, an "Inconsistent Line Endings" prompt appears for .cpp files for the vehicle. This issue is a regression, as it did not occ ...
Mouse Up Detection lost inside Scrollbox when dragging
UE - Editor - UI Systems - Feb 28, 2017Mouse Up Detection lost inside Scrollbox when dragging and releasing inside. This issue occurs when trying to detect on mouse up for a scroll box Regression: This issue also occurs in 4.14.3 ...
SetVectorParameterValueOnMaterials In Construction Script Not Working in Packaged Game
UE - Gameplay - Blueprint - Mar 1, 2017Set Vector Parameter Value on Materials doesn't seem to have an effect in packaged games if used in the construction script. Using it on Begin Play works as expected. This did not occur in 4.14.3. ...
OnClicked event of UMG button fires once in twice if virtual joystick is receiving input.
UE - Editor - UI Systems - Oct 14, 2015OnClicked event of UMG button fires once in twice if virtual joystick is receiving input. Both Andorid and iOS devices are affected. This issue is found with 4.9 update. under 4.8 are fine. ...
Curve name cannot be changed when using FRuntimeCurveLinearColor
UE - Anim - Sequencer - Mar 28, 2017When a custom data asset class have a FRuntimeCurveLinearColor defined variable, the curve name in the editor shows as "None" and cannot be edited. Regression: No - same behavior exists in 4.14.3 B ...
Animation Track in Shot Does Not Animate With Evaluate Sub Sequences In Isolation Enabled
UE - Anim - Sequencer - May 15, 2018When Evaluate Sub Sequences in Isolation is enabled in a shot, other shots inside the same sequences only play the transform track and do not play their animation track Does not affect 4.18.3 Relat ...
Disabling "Apply Fogging" Doesn't Work for Translucent Material with Volumetric Fog
UE - Graphics Features - Jul 6, 2018Translucent materials with "Apply fogging" disabled will be affected by volumetric fog. Found in 4.19 CL# 4033788, 4.20 Preview 5 CL# 4173640, and 4.21 ...