Unreal Engine Issues
Unreal Engine Issues
VREditor: Crash in VR Mode when interacting with motion controller menu
UE - Editor - Workflow Systems - Sep 27, 2017The editor is crashing when interacting with the VR Mode motion controller menu. So far this has only been tested on Oculus. I got this to occur in a blank project as well when in VR Mode, by movin ...
D3D HUNG crash - FD3D11DynamicRHI::RHIReadSurfaceFloatData()
UE - Graphics Features - Jan 18, 2017This is one of the widespread D3D Hung crashes that have existed since 4.14. This particular callstack has affected around 300 users. The issue has been successfully reproduced on a home PC. Dxdi ...
Text block Outline cropped out at large sizes
UE - Editor - UI Systems - Mar 8, 2017Text block Outline cropped out at large sizes. This affects Grid Panels and was additionally tested with Horizontal boxes with the same result Regression: This issue does not occur in 4.14.3 Binary ...
Per-section shadow/collision flags lost when merging actors
OLD - Anim - Mar 24, 2017Information loss when merging actors such as cast shadow and collision. If one of the actors being merged has a different setting such as not casting shadows. This information will be lost and repla ...
Some blueprint nodes are noticeably wider
UE - Gameplay - Blueprint Editor - Feb 19, 2021Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...
The VertexInterpolator connected to a Normalize node, input into BaseColor results in black Mesh LOD Coloration
UE - Rendering Architecture - Materials - Nov 16, 2021It does not appear to matter to the repro steps what is input to the VertexInterpolator, it matters more that there is a Normalize between the VertexInterpolator and the base color input of the mate ...
Using CustomBrush_Landmass Brush creates an inverted pyramid on the landscape
UE - Graphics Tools - Terrain - Landscape - May 17, 2022When using the CustomBrush_Landmass Brush, clicking the landscape should add a pyramid shape landmass but instead creates a inverted landmass. Regression tested on //UE4/Release-4.27 @ 18319896 Re ...
Missing materials on the rear lights and windows of library vehicles
TM - Content - Oct 24, 2025Reported in SF [Link Removed] The rear light material and window materials on Twinmotion library vehicles are not present on many vehicles in TM 2025.2. Confirmed affected vehicles are in the foll ...
Collision for bsp stays in level after bsp is deleted
UE - LD & Modeling - Modeling Tools - BSP - Jun 30, 2015If a bsp brush is deleted from a level, the level has geometry built, and the user presses play then uses the "show collision" console command, the collision for the bsp wlil still appear. This does ...
User cannot undo the automatic changing of Mobility settings
Tools - Sep 12, 2016When the users causes a component to automatically change its Mobility setting by changing that setting on a parent or child component, undoing that change only affects the manual change caused by t ...