Unreal Engine Issues
Unreal Engine Issues
Permanent FPS Drop After Using High Resolution Screenshot With Planar Reflections
UE - Graphics Features - Mar 9, 2017After taking a high res screenshot with a planar reflection actor in the scene the engine will experience a permanent performance hit relative to the resolution of the screenshot. For example if you ...
Open Level node does not open the correct level in Packaged game
UE - Gameplay - Blueprint - May 30, 2017Open Level node does not open the correct level in Packaged game. Instead of loading the level named in the node, the node will just open the current level. This issue can cause problems with Matine ...
Weird grey bar renders on disabled planar reflections
UE - Graphics Features - Jul 11, 2017NOTE This is best seen if you are in a mobile Preview Rendering Level There is some rendering defect that can be seen as the camera moves around the Planar Reflection area. You can also see some ...
Typing "Print S" in Blueprint Graph Context Menu returns wrong result
UE - Gameplay - Blueprint Editor - Jul 17, 2017Typing "Print S" in Blueprint Graph Context Menu returns a result that does not contain the letters "Print S" this issue persists is you add another s after (Print ss). The search should display som ...
Owner No See option does not correctly apply to widgets using screen space
UE - Editor - UI Systems - Aug 17, 2017When using the Owner No See option with Widgets, if the widget is set to display on the screen rather than the world, then the option does not affect the widget as intended. Other forms of changing ...
Unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled
Tools - Aug 31, 2017When going through the engine content you are unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled. If the button is enabled the settings appeared ...
Previewing Node in Material Editor Produces Unexpected Output with DX12
UE - Graphics Features - May 16, 2018Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...
Behavior of NewBinding and ExistingBinding are different inside Shot track
UE - Anim - Sequencer - Jul 6, 2018When using NewBinding, the bind does not work properly with the level sequence specified by ShotTrack. The cause is that Guid of ExistingBindingID will be empty when passing through ActorPicked in ...
Set Range Animations imported from 60Hz frametime is halved
Tools - Aug 3, 2018Reported by a licensee on UDN, this bug is fallout from the fix made for the following Jira:[Link Removed] - Fbx importer: animation range import is broken when importing 60Hz anim The attached ass ...
Rare assertion comes up when cooking if sequencer camera track has only additive transform track
UE - Anim - Sequencer - Mar 2, 2020If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...