Unreal Engine Issues
Unreal Engine Issues
Compiling Child Blueprint and editing child component's class value, results in parent component's value being changed under certain compile conditions.
UE - Gameplay - Jul 2, 2019Compiling Child Blueprint and editing child component's class value, results in parent component's value being changed under certain compile conditions. "This is because they're now pointing to t ...
Cursor locks to ScrollBox in native fullscreen mode are locked in the wrong position
UE - Editor - UI Systems - UMG - Sep 17, 2024When specifying a widget of a different size than the screen in FReply::LockMouseToWidget, the cursor is locked to a different position in native full screen mode. It appears that the window size n ...
editor crashes when variable inside of a struct is set to a class type then the object is moved to a new folder
UE - Gameplay - Blueprint - Mar 17, 2015If a struct has a variable set to a class type, then the object of that class type is moved to a new folder in the editor, the struct will replace the class type with "class", which causes the edito ...
[CrashReport] UE4Editor_CoreUObject!UObjectPropertyBase::CheckValidObject() [propertybaseobject.cpp:510]
UE - Gameplay - Blueprint - Sep 28, 2017This is a trending crash after the 4.17.2 hotfix, but has occurred since 4.17.0. Users have not provided any description of their actions when the crash occurred. The callstack shares similarities ...
Scroll Box Dragged State Persists After Input Mode Change
UE - Editor - UI Systems - Slate - Oct 31, 2024This is an edge case occurring when changing Input Mode while the Scroll Box is being dragged. When the Input Mode switches to Game Only, further drag actions are no longer possible. However, becaus ...
Get Instances Overlap returns overlap outside of collision bounds
OLD - Anim - May 17, 2017Get Instances Overlap returns overlap outside of the collision bounds. This effects the Instanced Overlapping Box and Sphere. It is also reproducible with engine assets replacing the Fencing mesh. ...
Customizations that use FDetailPropertyRow::CustomWidget and set the visibility attribute do not honor it
UE - Editor - Workflow Systems - Oct 31, 2023Customizations that use FDetailPropertyRow::CustomWidget and set the visibility attribute do not honor it. A Customization set up like the below, for instance, will not honor the Visibility in red d ...
Misaligned sampling in UI Material with with CustomStencil
UE - Editor - UI Systems - May 19, 2025The output of the CustomStencil node in a User Interface material does not align with the viewport dimensions. Toggling fullscreen/windowed mode (F11) causes the offset to reappear, so scaling the n ...
Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event
UE - Editor - UI Systems - Slate - Mar 20, 2019When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...
UCheatManager::ToggleDebugCamera() causes crash
UE - Gameplay - Oct 11, 2018Toggling the Debug Camera with the UCheatManager::ToggleDebugCamera() function in a PlayerController derived class causes a crash. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL ...