Unreal Engine Issues
Unreal Engine Issues
GetMouseX returns stuttering value if ShowMouseCursor is enabled
UE - Gameplay - Input - May 11, 2022Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values. ...
The nativized 'Array_Get' custom thunk implementation fails to properly initialize the item returned in the invalid index case.
UE - Gameplay - Blueprint - Apr 19, 2018FCustomThunkTemplates::Array_Get() fails to properly initialize a default item when the index is invalid: Item = U{}; That will leave the item uninitialized (e.g. UDS types). Should be using the ...
[Feature Request] Mouse-wheel zoom logic seems incorrect in UI Designer
UE - Editor - UI Systems - Jan 7, 2019When using the mouse wheel to zoom the Designer view, the behavior is not intuitive. (ZoomLogicDesigner.gif) in the Designer view, place the mouse near the top left corner. Use the mouse wheel to ...
GetAllocatedSize returns inaccurate number of bytes
UE - Foundation - Core - May 20, 2015When calling GetAllocatedSize() on a TBitArray it will round down the result of MaxBits / NumBitsPerDWORD. This means that not enough bytes are allocated when the MaxBits is not divisible by NumBi ...
Rendering glitch when launching on Android
UE - Platform - Mobile - Aug 2, 2016https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...
Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one
UE - Graphics Features - Mar 27, 2023There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...
REINST error when replacing a Widget that was added via the user created section
UE - Gameplay - Blueprint - Oct 5, 2015When a user deleted a widget that has been added to another blueprint via the user created section. If this blueprint in referenced in another blueprint that reference will throw a REINST error and ...
Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.
UE - Gameplay - Mar 23, 2018User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...
Assertion opening blueprint with HISMC created in 4.11
UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...
Crash on clicking Column Header in visRT window
Tools - Apr 22, 2015The Engine will crash when you run the visRT command in Editor and click on an item in the visRT window and the click on a column header. also Reproduced in Main Promotable-CL-2513846 [Link Remove ...