Unreal Engine Issues
Unreal Engine Issues
AutoCreateRefTerm does not provide a way to specify that a TArray property within a struct should have a default value created for it if none is provided
UE - Gameplay - Feb 9, 2018The current implementation of AutoCreateRefTerm does not allow for a default value to be automatically created for a TArray contained within a struct that is passed into a function as a parameter. I ...
Buoyancy is broken in UE5: even BP with Cube SM component (mass is 1kg) and default Buoyancy Component with one default Pontoon falls on bottom of lake
UE - Simulation - Physics - Jul 26, 2021Shorter steps:Steps 1-8 from Steps to reproduce (create level with water body)Find BP_BuoyancyExample in Content Browser (Engine>Plugins>Water Content>Blueprints)Place BP_BuoyancyExample above the w ...
Ensure triggered with multiple AddInstance() calls for InstancedStaticMeshComponent
UE - Graphics Features - May 20, 2016Adding multiple instances to instance static mesh component in a code class causes an ensure to trigger when an instance of the class is added to the level. ...
Cannot compile nativized Blueprints containing a delegate signature that includes a TMap (paired) type as a parameter.
UE - Gameplay - Blueprint - May 15, 2018Paired types (e.g. TMap) in a delegate signature do not compile after nativizing a Blueprint class containing it due to the macro expansion and comma inside the template spec between key and value t ...
Mobile Previewer: Safe Zone Invalid Until Window Resize
UE - Platform - Mobile - Jul 12, 2021When the Mobile Previewer loads, the Safe Zone widget is not working properly at startup, and requires a window resize to update to the correct Safe Zone. ...
If a component has been rotated at all, running ComponentSweepMulti on it does not return the correct position of any colliders on the component
UE - Simulation - Physics - May 14, 2015ComponentSweepMulti does not return the correct location of colliders if the component that is passed in has been rotated at all. The actual collision on the object in the game will be correct. ...
If PVRTexToolCLI is not executable, invalid texture data is used and crash results when launching on device
UE - Platform - XR - Jul 5, 2017Synced the code on Windows and transfered to Mac, the file PVRTexToolCLI lost its executable permission bits... UE4 couldn't run the tool, but carried on processing anyway, processing invalid textur ...
Using dynamic bindings in a code class will result in the bindings becoming a permanent part of any Blueprint created from that class if a hot reload is performed.
UE - Foundation - Core - Mar 26, 2015If dynamic bindings are being used in a custom code class from which Blueprints are derived, any hot reload will make the bindings a permanent part of the Blueprint and they cannot be removed or cha ...
Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss
UE - Gameplay - Jul 19, 2024In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...
A project using the Script Plugin will not open in a binary version of the Engine that is created from an Engine built from source code
UE - Foundation - Build - Rocket (Installed Engine) - Feb 1, 2017Trying to open a project that uses the Script Plugin in a binary version of the Engine that has been created from an Engine built from source code will fail. The Engine is looking for the file Unrea ...