Unreal Engine Issues
Unreal Engine Issues
Foliage Not Updating to Match New Landscape Height After Level Save-As
UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...
Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server
UE - Networking - Jun 6, 2022It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...
Materials for certain groups appear black in Path tracer when Keep Hierarchy is used to import .skp files
TM - Interoperability - Mar 3, 2025Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...
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 ...
Setting Slate.ShowBatching to 1 makes the entire screen green unexpectedly
UE - Editor - UI Systems - Slate - Jun 19, 2025This issue may have occurred due to a refactoring of the related functionality during the engine update from version 5.4 to 5.5. The main reason is that the randomization of BatchColor doesn't work ...
Engine Freezes Compiling Fmod Material
UE - Graphics Features - Jun 25, 2015When Saving the Material shown below, the engine will freeze at 50%, no crash is generated but engine stays unresponsive (tested for 60 mins) and must be terminated via Windows Task Manager. [Image ...
Differences in Post Process FX between Minimized and Maximized Viewport
UE - Graphics Features - Apr 19, 2016When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...
Landscape UI Elements are not visible
UE - LD & Modeling - Terrain - Landscape - Oct 4, 2016Per conversation between Gareth and Mike, it was determined the Landscape tool is in Game Mode by default. Within the Landscape Tool, all UI elements are disabled by default. This has been observed ...
Android Back Button go to Oculus home when using Gear VR
UE - Platform - XR - Mar 7, 2016This is regression from 4.10 functionality. When assigning the Android Back Button functionality in a GearVR project, the back button will now bring up the Oculus Home Screen asking if you would lik ...
SunTemple scene does not update properly on iPhone 6S
UE - Platform - Mobile - Jul 18, 2017On the 6S, the SunTemple scene is almost unresponsive. As the player uses the thumbsticks, the lightmaps from the windows rotate to mach the player's movement; but they are the only thing. This doe ...