Unreal Engine Issues
Unreal Engine Issues
Data like Camera Tracks can get corrupted inside Level Sequences when Undoing some operations
UE - Anim - Sequencer - Jul 22, 2025Camera trucks can get in a invalid state when you undo certain operations. One example would be undoing a camera set that has been added to a camera track. When you undo that operation, other camera ...
Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes
UE - Gameplay - Blueprint - Mar 15, 2015Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...
Unable to Open Level in HTML5
UE - Platform - Mobile - Mar 16, 2016Trying to use an Open Level function in HTML5 does not allow the level to actually load. Instead, the project flashes and refreshes back to its original position. Open Level function does work on W ...
SpeedTree static meshes corrupted converting project from 4.12 to 4.14
UE - Graphics Features - Nov 25, 2016Speedtrees are just normal static meshes once they are in the engine, so if we are corrupting them across an engine upgrade that is really bad. ...
Crash when returning to viewport from immersive mode with an editor window tabbed beneath
Tools - Mar 2, 2015When the user enters immersive mode by hitting f11 and then opens the material editor, (which opens tabbed in the editor underneath the immersive display)The engine crashes when hitting attempting t ...
Playing this project in Standalone, or packaging for windows, causes the new window to crash
UE - Gameplay - Dec 16, 2014When you attempt to play the user project in Standalone, or Packaging for Windows, the new window will crash and not play the game. Issue also occurs on Mobile. The project will not open. ...
APEX Destruction works in the Mobile Preview window
UE - Platform - Mobile - Mar 23, 2015APEX destruction renders when using the Play > Mobile Preview. ...
Using Set World Origin Location will cause the player pawn to stutter
UE - World Creation - Worldbuilding Tools - World Composition - Dec 22, 2016Using Set World Origin Location will cause the player pawn to stutter. The faster the player is moving, the more prevalent the stuttering becomes. User Description: I have encountered a problem wh ...
TextScale parameter doesn't change size of text in AddOnScreenDebugMessage()
UE - Foundation - Core - Jun 16, 2018The textScale parameter in AddOnScreenDebugMessage does not change the scale of the debug message. ...