Unreal Engine Issues
Unreal Engine Issues
[CrashReport] CastChecked<UAnimBlueprint,UBlueprint>()
OLD - Anim - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source context not available ...
Changing the “show mouse cursor” variable of PlayerController with a mouse button input does not work the same as with a keyboard input
UE - Editor - UI Systems - Slate - Oct 6, 2020Using the mouse input to show the mouse cursor acts like an Alt+Tab. When clicking the mouse input again to no longer show the cursor, the camera controls stop at the edge of the screen. Reported i ...
Shared Material Native Libraries causes packaging for Android to fail
UE - Platform - Mobile - Aug 31, 2017Packaging for Android with Shared Material Native Libraries (and Share Material Shader Code as it is required to enable the other setting) results in failure from AutomationTool. Logs attached Reg ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
Warning on compiling Sub Anim Instance node with connection to exposed variable
OLD - Anim - Oct 10, 2017When compiling an animBP with a Sub Anim Instance node with a connection to an exposed variable, warning will be displayed. When there is no connection to the Sub Anim Instance node, no warning wi ...
UText3DComponent's Text property access: UE 5.3 broke BP setters. UE 5.6 unneccessarily broke compatibility and incorrectly removed BP getters.
UE - CoreTech - Jul 30, 2025Class UText3DComponent from the "Text 3D" plugin contains a "FText Text" member which must be set through a SetText() function to correctly update the component's internal state. Up to UE 5.2, "Tex ...
Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask
UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...
Engine crash from opening level bounds blueprint after project reopens
UE - Gameplay - Blueprint - Jun 2, 2017There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...
MS_VertexAnimationTools_MorphTargets are not deforming and reforming
UE - Graphics Features - Sep 20, 2017The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...
RadialForceComponent ignores collision of Object Type set in Collision Presets if component is initialized in C++
UE - Gameplay - Jul 28, 2016When a RadialForceComponent is attached to a object in C++, it doesn't take on the "Object Types to Affect" in the component settings of the Blueprint. If the RadialForceComponent is created as a co ...