Unreal Engine Issues
Unreal Engine Issues
Cash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true
UE - Graphics Features - Path Tracer - May 16, 2025Cash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true The licensee has reported: This crash happens because the DeferredShadingRenderer tries to extract the normal GBu ...
DataTable::LoadStructData allocating wrong size
UE - Foundation - Core - Oct 5, 2016Pointed out by a licensee here: UDataTableを読みこんだ際のメモリ破壊について When reading the `UDataTable, in DataTable::LoadStructData()` the contents of the struct are interpreted[Image Removed], but the size of ...
Scaling snap for selected object are reset to the origin of the scale pivot location
Tools - Apr 27, 2016When scaling multiple selected actors in the scene with snap enabled the actors will reposition to the pivot origin of the last selected actor in the group when going down to a value of 0 or a negat ...
UDN : Mutable Trying to Access Invalid UEdGraph Pointer
UE - Anim - Mutable - Mar 6, 2025Hello, We've started seeing a crash within Mutable when it tries to access the source graph in PIE. This only seems to be a problem when running a dedicated server as a separate process. We integra ...
POM material triggers Video Driver Crash
UE - Graphics Features - Apr 26, 2016When a POM decal material is applied to a decal actor in the scene the video driver will crash. This worked prior to 4.11.0 release. Only when the material is assigned to a decal actor will the vide ...
Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor
UE - Networking - Feb 22, 2016Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor. EDIT: simple test project attached. Make sure Auto Connect to Server is disabled, and PIE with 2 p ...
Crash when travelling during ability activation when URL contains "#"
UE - Framework - Jul 18, 2025This issue is related to [Link Removed], where the "?listen" option sent on the URL to clients could cause issues with RPCs being called locally during travel. The fix to remove the "?listen" option ...
Landscape Spline Width/Side Falloff does not respect Unreal Units.
UE - LD & Modeling - Terrain - Landscape - Nov 15, 2019The user reports that the Landscape Spline Width and Side Falloff isn't respecting Unreal Units in the Editor. The usage for comparison is a Cube that is scaled up 7x to Splines that have a Width of ...
Main Frame Window grows by 10x10 pixels upon each restart of the Editor
Tools - Feb 17, 2017With each relaunch of the Editor, the Main Frame Window grows by 10x10 pixels. The editor viewport, in turn, grows by a few pixels in response to that. See attached three images: Window1, Window2, ...
UMG Widgets using User Interface Material Domain do not render on Android Devices
UE - Platform - Mobile - Jan 19, 2016When using a Blueprint Widget that has an image using a material in the User Interface Material Domain will not render when it's a newly created project in 4.11. However, if you were to copy a proje ...