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 ...
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. ...
Array inputs in Blueprint Interface results in compiler note- "No value will be returned by reference. Parameter 'NewParam'. Node:"
UE - Gameplay - Blueprint - Sep 8, 2017Array inputs in Blueprint Interface results in compiler note- "No value will be returned by reference. Parameter 'NewParam'. Node:" Bug reproduced in 4.16, 4.17, and 4.18 ...
Custom Depth Post Process Stencil does not work with Material Billboard on Actors
UE - Graphics Features - Nov 27, 2017MaterialBillboardComponent does not render with CustomDepth material in PostProcessVolume as other objects do. Found in 4.16.3 CL 3561208, 4.17.2 CL 3658906, 4.18.1 CL 3454814 ...
Show Angular Limits for Anim Dynamics Node Does Not Show Constraints
OLD - Anim - Apr 18, 2018Angular limits do not display in the viewport of the animation Blueprint Screenshots attached show expected verses results Issue does not occur in 4.18.3 Also a problem for FN: [Link Removed] ...
Networked voice starts before local player is registered
UE - Networking - May 23, 2018The voice engine starts before it is ready. FOnlineVoiceImpl::StartNetworkedVoice is called prior to VoiceEngine->RegisterLocalTalker() in FOnlineVoiceImpl::RegisterLocalTalker(). This leads to the ...
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 ...
Child Actors do not replicate to clients when running project with "-game" command
UE - Networking - Aug 7, 2018Child Actors do not replicated properly to clients when running a project using the "-game" commandline argument. This does functionality does work properly in PIE and in a cooked build however. Re ...
Default Values missing from Local Variables in Blueprint Actor Construction Script
UE - Gameplay - Sep 19, 2019Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.
UE - Gameplay - Blueprint Compiler - Oct 13, 2017When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...