Unreal Engine Issues
Unreal Engine Issues
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 ...
Material Layers "swap" location instead of shift downwards.
UE - Rendering - Architecture - Materials - Oct 17, 2023Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...
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 ...
Crash-Connecting output of unspecified functions to pins on the material result node
UE - Rendering - Architecture - Materials - Dec 6, 2017Crash-Connecting output of unspecified functions to pins on the material result node. This does occur in Main at CL: 3792526 ...
Failed to register input back buffer crash when opening a project with PixelStreaming on Windows 7
PixelStreaming - Sep 19, 2018Projects crash upon opening with the PixelStreaming plugin enabled. ...
Editor crashes when attempting to play a recorded demo - Assertion failed: IsGameWorld() && GetCurrentLevel()
UE - Networking - Oct 9, 2018Editor crashes when attempting to play a recorded demo - Assertion failed: IsGameWorld() && GetCurrentLevel() This issue occurs when using a template project or QAGame. This does not occur when usi ...
Visible dithered quantization to remove banding in New Temporal AA Quality
UE - Graphics Features - Oct 6, 2015Since changing the temporal history buffer to 11:11:10 from FP16, it looks as there is visible dithered quantization to remove banding when rendering. (Taken from conversation on Forum Post linked f ...