Unreal Engine Issues
Unreal Engine Issues
Vehicle Game - Input Interference when Controller Plugged in
UE - Gameplay - Input - Nov 2, 2018GenericUSBController Axis values interfering with input when Xbox Controller is active. (Generic Inputs were added for Switch Support) ...
Sequencer: Changing a data layer track to KeepState hits ensure(Aggregate) in animated state storage
zComponent - Archive - Jun 16, 2023Ensure condition fires as described in reproduction steps when using a Data Layer track in Sequencer with 'Keep State'. ...
Using an integer that is higher than the total members in an enum to select an enum will cause a crash
UE - Gameplay - Blueprint - Sep 21, 2015If the user uses an integer to select a member of an enum, the enumeration will crash if the integer is higher than the number of members in the enum. ...
FLightMap2D::Serialize() contains a possible index out of range error.
UE - Graphics Features - Dec 30, 2014A user pointed out a potential to have an index out of range error in the source code. There are also a few magic numbers scattered around in this function. ...
Inconsistent rendering between left and right eye when r.SeparateTranslucencyScreenPercentage is less than 100
UE - Platform - XR - Feb 21, 2017Rendering appears to be inconsistent between the left and right eye of the oculus when setting r.SeparateTranslucencyScreenPercentage to a number below 100 (99 in this example) ...
Sequencer Sub Sequence cannot play back from Master Sequence at a Time Scale under "1.0"
UE - Anim - Sequencer - Dec 13, 2018Sequencer Sub Sequence cannot play back from Master Sequence, when the Property Time Scale is set to numbers under "1.0" ...
GPU crash when using RVT BaseColor/Normal/Roughness format
UE - Rendering - Architecture - May 24, 2023When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...
FTabManager::PersistLayout Ensure Triggered During Docking/Undocking
UE - Editor - May 25, 2023An ensure (ensure( !PersistentLayout->PrimaryArea.IsValid() )[Image Removed] is firing in FTabManager::PersistLayout() sometimes when docking/undocking quickly. ...
[PCG] Create PCG Asset from Level crashes on loaded sub-level exports
UE - Graphics Tools - PCG - Workflow - Aug 21, 2025PCG Level Asset export doesn't support exporting a level while it is loaded as a sub-level. We should warn the user instead of crashing. ...
SetRes command does not appear to enter fullscreen when placing an 'f' on the end
UE - Graphics Features - Sep 6, 2016SetRes command does not appear to enter fullscreen when placing an 'f' on the end. The window becomes a window the size and resolution of the numbers that are passed in. ...