Unreal Engine Issues
Unreal Engine Issues
Crash while unloading a streaming level while spawned decals exist in the unloaded level
UE - Graphics Features - Aug 18, 2017When unloading a level containing a decal that is using a dynamic material instance the editor will crash. ...
HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.
UE - Rendering Architecture - RHI - Jun 2, 2022If the same command is executed with 4.27, multiple screenshots will be saved. ...
BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers
TM - Rendering - Apr 22, 2025Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...
Rewind debugger would crash when recording a character using Pose search
UE - Anim - Gameplay - Aug 8, 2025Our character is using the Pose search setup from GameAnimation content example. The architecture of the system is most the same with some new function that account for some input difference and sp ...
MRQ - Skeletal Mesh motion vector are output only for the last sample of Spatial Sample Count
UE - Anim - Sequencer - MRQ - Jan 24, 2025Skeletal Mesh motion vectors are output only for the last sample of Spatial Sample Count, while Static Mesh motion vectors are output in all samples. UDN: [Link Removed] Slack thread: [Link Remo ...
Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts
UE - Texture - May 14, 2025There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...
Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...
Tessellation doesn't render in certain levels of ContentExamples with Intel4600
UE - Graphics Features - Jan 20, 2017Tessellation will not be rendered in the examples inside of the Material_Nodes and Material_Properties levels of Content Examples. ...
Changing the scale of the widget reflector makes it harder to select actors in the viewport
Tools - Dec 29, 2014When changing the scale of the widget reflector it changes the scale of the selection bounds of actors in the viewport. Example: When hovering over a box at a 2.0 scale I will select the wall someti ...
Collapsed Nodes do not move with their functions
UE - Gameplay - Blueprint - Apr 10, 2015When you create a function and collapse nodes within it, the collapsed nodes to not follow the function category switch. I also noticed that when you move the function around that has the collapsed ...