Unreal Engine Issues
Unreal Engine Issues
Blueprint Typing Potentially Incorrect when using Chooser Plugin
UE - Characters - Animation - Jan 8, 2024This appears to be some form of type confusion. In editor, the type of the result pin is a Packed Level Actor Class Reference, but at runtime, the returned value is a BlueprintGeneratedClass. ...
Input Touch Hold trigger fails to reset, unlike Mouse Hold (using Enhanced Input Context)
UE - Gameplay - Input - Nov 13, 2025When using the Enhanced Input Context, the Input Touch Hold trigger does not reset correctly after releasing a touch input. Unlike Mouse Hold, which keeps firing Canceled events as expected, Input T ...
Crash on 5.7 when running with the Vulkan RHI and async compute
UE - Rendering - Architecture - RHI - Dec 4, 2025Making this a placeholder for now. Will fill out the description asap ...
In-app purchase fail node does not execute properly without network connection
UE - Platform - Mobile - Sep 30, 2015In-app purchase failure nodes do not execute when there isn't any connection. ...
Crash assigning spline mesh on tiled landscape
UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015Crash assigning mesh to spline on tiled landscape. ...
Editing the value of an Array Variable in an Actor Component's bp Details panel will collapse the expanded array
UE - Gameplay - Blueprint - Mar 27, 2015Editing the value of an Array Variable in an Actor Component's bp Details panel will collapse the expanded array. Found in 4.7.3 but also reproducible in Main 2491982. Another user reporting the i ...
Blueprint Break on Exceptions does not work with Accessed None errors
UE - Gameplay - Blueprint - Jan 14, 2015The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...
Numpad keys don't respond to input commands on Linux
UE - Platform - Linux - Aug 31, 2015Setting any of the numpad keys to an input command does not execute the command on Linux. ...
Special modifier key inputs do not register in editor if the key press occurs instantly
Tools - Mar 1, 2016Special function key presses and hotkey shortcuts do not register in the editor if they fire key presses instantaneously (0ms). In particular, TypeMatrix keyboards reproduce this error using keyboar ...
Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam
OLD - Anim - Jun 6, 2016Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...