Unreal Engine Issues
Unreal Engine Issues
Alt-tabbing out of a Standalone App or packaged version of a game does not trigger LostFocus or ReceiveFocus
Tools - Sep 9, 2015If a user uses Alt-tab to change to another window, the ReceivedFocus and LostFocus functions are not called as they would usually be called when using something such as Shift+F1 or Ctrl+Esc. Note: ...
Make Timespan Node: Milliseconds to Seconds Conversion
UE - Foundation - Core - Jun 19, 2018Make Timespan node returns unexpected conversion from milliseconds. With all other values 0 - values in the Milliseconds field over 2147 flip to negative and begin to decrement ...
Mover plugin: Crash on UFloorQueryUtils::ComputeFloorDist() and other utility functions that assume the pawn uses a UCapsuleComponent
UE - Gameplay - Player Movement - Mover - Dec 4, 2025The following functions have been found to perform unchecked casts of the pawn's "UpdatedComponent" to class UCapsuleComponent, possibly resulting in crashes:UFloorQueryUtils::ComputeFloorDist()UGro ...
Print String duration divided by number of players
UE - Gameplay - Blueprint - Jul 9, 2018Print string duration is divided by number of PIE players. ...
Volumetric clouds jitter when in front of geometry
UE - Graphics Features - Nov 30, 2023Potentially related to [Link Removed], but distinct. ...
Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format
UE - Graphics Features - Apr 5, 2024This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...
Level asset "Diff against depot" opens P4 Merge tool
UE - World Creation - Worldbuilding Tools - Mar 1, 2024You can right click a level asset in the editor's Content Browser and do the action Source Control > Diff against Depot. However, this does not provide a useful diff window. It currently opens the d ...
Dithered LOD transition does not happen on FOV change
UE - Graphics Features - Jan 26, 2017When LOD change is triggered by camera FOV change, no dithered LOD transition happens. ...
Screen Space Ambient Occlusion Artifacts
Docs - Samples - Apr 3, 2015Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...
PIE - RendertoTarget is the same for all players
UE - Gameplay - Jan 5, 2016Render Target is displayed across the client and server. Render target should only be displayed on the player and screen that spawns the actor. Note: Turning visibility off for the render target w ...