Unreal Engine Issues
Unreal Engine Issues
Hot Reload triggers Ensure after default value of a property in a component included in an Actor class is changed
UE - Foundation - Cpp Tools - Hot Reload - Sep 13, 2018Performing a Hot Reload after changing the default value of a property in an ActorComponent that is included in an Actor class triggers an ensure if a Blueprint has been created from that Actor clas ...
Windows registers touch events twice - Once as mouse click
UE - Editor - UI Systems - Slate - Nov 28, 2017When tapping on a button with a touch monitor, it is registered as two inputs. There was an issue on win7 where touch inputs were counted as touches and clicks. This seems to be the same issue on wi ...
On mouse Down not firing for left click on Button widgets when using precise click
UE - Editor - UI Systems - Aug 31, 2017When using the left mouse button to click and drag a button, the on drag detected will not fire even when using precise click. This was not the case in previous versions of the engine (Works as expe ...
Duplicating actor in level clears some default values
UE - Gameplay - Blueprint - Oct 17, 2016Duplicating actor in level clears some default values. This may be related to changing values within a referenced blueprint. ...
Sprites using a lit material render black in orthographic views
UE - Graphics Features - Dec 23, 2014Sprites using a lit material render black in Orthographic views. Sprites are rendered as expected in Perspective view. ...
Unable To Add More Than One Element To Default Values For Maps In Blueprint
UE - Gameplay - Blueprint - Feb 13, 2017When adding new elements to a Map in blueprints it will return the error "Cannot add a new key to the map while a key with the default value exists". This is because it currently won't increment the ...
Apex Destruction - Destructible Mesh disappears after Fracture
UE - Simulation - Physics - Destruction - Jan 3, 2020Fracturing a mesh with Apex Destruction in 4.24.1 (CL-10757647) causes the mesh to disappear after clicking Fracture. This behavior was not present in 4.23.1 (CL-9631420). Unable to confirm this in ...
Sphere traces where Start and End locations are the same are not triggering any hits
UE - Simulation - Physics - Jan 17, 2019This has changed since 4.21, AOE attacks are not being registered. Paulo S took a look and determined that this is an engine bug: Happens with any radius based attack. What I found is that any Sphe ...
Changing a value inside a struct exposed to blueprints removes struct from blueprints and gives error upon compiling and saving blueprint
UE - Foundation - Cpp Tools - Hot Reload - Sep 28, 2015If a user creates a C++ class that contains a struct and references that struct within a blueprint, making any changes to the struct within C++ header file will prevent the user from saving the blue ...
Editing a spline component in 5.4 no longer fires construction events.
UE - Editor - Workflow Systems - Apr 14, 2024Licensee found that in 5.4 the spline component when edited in editor, no longer triggered the construction script potentially breaking their art pipeline. The licensee mentioned the cause is likel ...