Unreal Engine Issues
Unreal Engine Issues
Naming an Event Dispatcher the Same as an Overridable Function Corrupts the Event Dispatcher
UE - Gameplay - Blueprint - Oct 21, 2015Creating an event dispatcher in a widget blueprint with the name OnDrop, which is already an existing overridable function, causes the event dispatcher to become corrupted and prevents it from being ...
LIVE: ProjectileMovement component does not function when a PrimitiveComponent is missing or removed from the Components
UE - Simulation - Physics - Nov 18, 2014A projectile brought over from 4.5.1 or earlier that does not have a Primitive Component as the Root, or removing the root from the projectile in 4.6, returns an error: "Movement component [Projecti ...
Horde server fails to build Docker image
UE - Foundation - Horde - Server - Apr 1, 2025If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...
Crash when importing material assigned to FBX with illegal characters through the Full Scene Importer
UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016If you have an illegal character (/ or ?) in your material name embedded with your FBX the editor will crash when using the new Full scene importer and selecting the Materials Tab. Tested in and ...
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. ...