Unreal Engine Issues
Unreal Engine Issues
Using Alt+Click to break Transition node connections cannot be undone using the Undo command
OLD - Anim - Nov 28, 2016Using Edit->Undo or Ctrl+Z has no affect after breaking using Alt+Click to break the connection of transition nodes. In the My Blueprint tab, extend Graphs->AnimGraph Regression: No - Same behavio ...
Behavior Trees cannot be saved if the Blackboard assigned to it was opened before opening the Behavior Tree from the Content Browser
UE - AI - Nov 2, 2015Behavior Trees cannot be saved if the Blackboard assigned to it was opened before opening the Behavior Tree from the Content Browser. Reproduced in 4.8.3 binary, 4.9.2 binary, 4.10 Preview 3 binary ...
UnrealEd does not work with Windows "Automatically hide the taskbar" option
Tools - Apr 16, 2018The Windows 10 taskbar does not scroll in when UnrealEd is open and in fullscreen mode. Windows has this feature in all recent versions, and it creates a bit of extra vertical screen real estate. Us ...
Landscape has a seam when scale is set to a decimal
UE - Graphics Tools - Terrain - Landscape - Jan 13, 2023Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does occur so it is not a regression. This issue occurs if the scale set for the landscape has a decimal value that is not 0.5. Sett ...
In-editor hitch when deleting one actor in a world with many loaded actors
UE - CoreTech - Nov 17, 2023When editing a level with many actors (1000+), deleting an actor results in a noticeable hitch: the editor becomes unresponsive for seconds. This hitch becomes longer the more actors are loaded and ...
Disparity in Rotation tool
Tools - Aug 31, 2016There is disparity between the two different ways of editing rotation. When using the scrubber in the details panel each value scrubbed only affects that value and the values go from 0 to 360. When ...
Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time
UE - Graphics Features - Apr 16, 2021This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...
FBX Import flips faces of mesh on Import for static meshes
UE - Graphics Features - Jan 29, 2016User is reporting that this is happening with some, but not all meshes. I didn't see anything out of the ordinary when looking at the asset in 3Ds Max, and the asset will import correctly into 4.10. ...
[CrashReport] UE4Editor_Persona!FReferenceSkeleton::FindBoneIndex() [referenceskeleton.h:252]
OLD - Anim - Jul 20, 2017This is a common crash affecting users in 4.16, and has occurred since at least 4.14, affecting more than 200 unique users. Unfortunately none of them have provided any additional information. Sou ...
Some Twinmotion library assets do not render in Path Tracer in files with a large number of assets
TM - Rendering - Apr 17, 2025Reported in SF [Link Removed] In scenes containing large numbers of certain Twinmotion assets, when activating Path Tracer, some of the assets will not render. The assets will render normally in St ...