Unreal Engine Issues
Unreal Engine Issues
Map placed actor binding to another actor's Event Dispatcher (multicast delegate) results in duplicate bindings after blueprint recompile
UE - Framework - Blueprint - Apr 17, 2025Context Blueprint actors placed on the map can bind to another actor's event. If an ActorB has a reference to ActorA, it can bind to an event dispatcher in A by creating an event node in ActorB's e ...
Flipping faces on a brush affects all other brushes
UE - LD & Modeling - Modeling Tools - BSP - Apr 9, 2015Flipping faces on a brush affects all other brushes Subtractive brushes will have their internal faces show if enough additive brush faces are flipped. If the faces of a subtractive brush are flip ...
Several issues with 4.25.1 and Win 7
UE - Graphics Features - Jun 22, 2020Users are reporting issues with the 4.25.1 hotfix and Win 7, including running cooked builds and the editor crashing: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1755531 ...
The cap of a sliced procedural mesh is not affected by lighting
UE - Gameplay - Jul 14, 2016After slicing a procedural mesh, the cap on the sliced end does not seem to be affected by lighting. This can result in the end looking dark. ...
Editor Crashes after updating to 4.7.2
UE - Graphics Features - Mar 7, 2015Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...
OSVR is affected by screen percentage Post Process volumes
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 Screen percentage post process volumes affect rendering on the OSVR. It also renders incorrectly when affected. The incorrect effect has been logged as [Link Remo ...
Cull Distance Volumes Affecting Actors After Being Deleted
UE - Graphics Features - Oct 7, 2019Cull Distance Volumes Affecting Actors After Being Deleted. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 9428115 ...
Crash Creating Geometry Collection on Windows 7
UE - Simulation - Physics - Oct 24, 2019Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...
Specular Scale 0 on Light still affects Groom asset
UE - Rendering - Architecture - Jul 30, 2025When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change. ...
Window position is broken when using Windows 7 WINVER.
Tools - Aug 6, 2015A user reported that the Window Position calculation is incorrect with Windows 7 WINVER. The source code appears to be using the calculated left value for the left side of the window, but the calcul ...