Unreal Engine Issues
Unreal Engine Issues
Digital buttons for gamepad thumbsticks and triggers can fire multiple times per-frame in Game Input
UE - Gameplay - Input - Dec 4, 2024In Game Input, the buttons for different thumbstick and trigger digital events (i.e. RightStickUp, LeftStickUp, LeftStickRight, etc) can actually fire multiple times in a single frame, even though w ...
Incorrect resolution used because SetProcessDpiAware() is not called when bAllowHighDPIInGameMode=False
UE - Rendering Architecture - Aug 8, 2025The incorrect resolution is used on computers with 4k monitors that use DPI scaling (default 150%) because the default for UE projects is bAllowHighDPIInGameMode=False which results in SetProcessDp ...
Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters
UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...
Using The Draw line node over an image in UMG causes Graphical issues
UE - Editor - UI Systems - Feb 12, 2015Using the Drawn line node to draw a line over an image in UMG causes the viewport to display incorrectly. In 4.7 the lines also are not drawn. ...
Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video
UE - Graphics Features - Dec 2, 2014This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...
OnDragDetected fires off with a single click for 3D widgets
UE - Editor - UI Systems - May 11, 2015When Using the On Drag Detected on a 3D widget, the drag function fires off on a single click (No dragging necessary) ...
Negative scale causes green gradient and invisible if not selected
UE - Editor - UI Systems - Aug 20, 2014BRANCH: //depot/UE4/Promotable-CL-2254785 CHANGELIST: 2254785 BUILD TYPE: P4 PLATFORM: Windows DESCRIPTION: Scaling widgets in UMG into a negative values (right < left) causes them to appear as a g ...
No selection highlight in ES2
UE - Graphics Features - Dec 9, 2014No selection highlight in ES2. Expected to be able to see what user has selected. Reproduced on windows and mac. ...
Crash when Building Lighting on Macs with Lighting Scenarios
UE - Platform - Apple - Oct 27, 2016A crash occurs when you building lighting with a project using Lighting Scenarios on a Mac. I attempted to reproduce the issue using a new blank project, but was unable to get the crash to occur. T ...
Unable to unhide floating tabs
UE - Editor - UI Systems - Slate - Nov 5, 2014If you have a tab undocked so it is floating and right click it->hide tab, you will be unable to unhide it. I think the orange triangle is being blocked by the Unreal button. ...