Unreal Engine Issues
Unreal Engine Issues
Spot Lights don't work on Magic Leap if Cast Shadows is disabled.
UE - Platform - Mobile - Aug 26, 2019Spot lights don't work at all with Cast Shadows disabled on the Magic Leap. Cast Shadows must but enabled even though they don't work. This can also be demonstrated in the Vulcan render preview in ...
Ensure occurs if the decal scale is set to a very small value
UE - Graphics Features - Jun 15, 2022The variable emitting this ensure (RelativeWorldToDecalMatrix) is not actually used, so this line can be removed. FDeferredDecalPS::SetParameters ... const FLargeWorldRenderPosition AbsoluteOri ...
Virtual Joysticks do not work when running multiple clients in PIE
UE - Gameplay - Input - Jul 20, 2015When using PIE to simulate multiple clients the virtual joysticks only work on the last client spawned. When using the other clients the joysticks to not move the player. Note: In the Third person ...
Shadows Replicated to Second Player while in Multiplayer PIE using Single Process
UE - Graphics Features - Jun 27, 2016When running multiplayer PIE in the Third Person Example project, if player one is shadowed, the second player also becomes shadowed. This almost seems expected as it is being run as a single proce ...
OnRep_ReplicatedAnimMontage causes popping when montage ends
OLD - Anim - Oct 8, 2016UAbilitySystemComponent::OnRep_ReplicatedAnimMontage doesn't handle some edge cases when stopping the montage when blending is involved. Namely, it's possible on a client (due to latency, etc.) that ...
Virtual joysticks is not properly working when running multiple clients in PIE
UE - Editor - UI Systems - Slate - Nov 21, 2017When running multiple clients in PIE, It looks like first created viewport client handles every input event. I tried to narrow down the causes and found that it's because SlateApplication knows jus ...
When Client Side Navigation is enabled, it is only initialized Server Side
UE - AI - Jun 13, 2018'Allow Client Side Navigation' no longer appears to register Client-side navigation in 4.20. In 4.19 the logic that was setup to check for it returns both Client and Sever Side navigation systems as ...
Delay Before Shot Warm Up introduces hitches
UE - Anim - Sequencer - Mar 29, 2019setting a Delay Before Shot Warm Up can introduce hitches when rendering out a series of frames. ...
Scroll bar thickness is unaffected when set below 4
UE - Editor - UI Systems - Apr 9, 2019Scroll bar thickness is unaffected when set below 4. There appears to be a minimum size in place that prevents the scroll bar from being set to a size lower than 4 ...
"Base Pass Shader" stat results are missing or display incorrect information while using Vulkan
UE - Rendering Architecture - Shaders - Nov 15, 2021Base Pass Shader results are not showing, or showing up incorrectly when looking at the Stats results within the material editor of an Unreal Editor using Vulkan. Regression Tested: //UE4/Release-4 ...