Unreal Engine Issues
Unreal Engine Issues
Rect lights cause visual noise on the light rendered when using raytracing
UE - Graphics Features - Lumen - Nov 12, 2019Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...
Stationary Spot Lights in Forward Rendering Incorrectly with PerVertex NonDirectional Translucency
UE - Graphics Features - Jun 14, 2019Stationary Spot Lights in Forward Rendering cause artifacts when lighting transluceny set to Volumetric PerVertex NonDirectional. When the camera is moved around the object, the lit vertices flicker ...
Rect Light Source Creates Black Artifacts When Overlapping a Mesh While Light Shaft Bloom Is Enabled
UE - Graphics Features - Nov 9, 2018A black line will appear If a Rect Light is overlapping a mesh while a Directional Light has light shaft bloom enabled. This line will originate from where the edge of the source is overlapping the ...
Renaming Function Parameters Silently Disconnects Pins if Function is in Use
UE - Gameplay - Blueprint Editor - Feb 9, 2017Changing parameter names on a function that is in use in another blueprint breaks the pin connections without warning if the blueprint is not saved before restarting the editor. See the licensee's ...
Transfering an interface function to a native blueprint function does not copy over inputs and outputs
UE - Gameplay - Blueprint - Aug 19, 2016When you remove an interface from a blueprint and choose to transfer the functions over to the blueprint the functions do not keep their inputs and outputs. Regression: YesWorks: 4.12.5 @ 3039270Br ...
GameplayTask classes that have a BeginSpawningActor function never call the Activate function
UE - AI - Oct 3, 2018A class that inherits from GameplayTask which also has a BeginSpawningActor function will not have its Activate function fired properly. Removing this function causes it to fire properly. Regressio ...
Undo function breaks local variables in Blueprint Function after compiling
UE - Gameplay - Oct 8, 2020Blueprint functions appear to correctly associate local variables when renaming the function. However when undoing a rename with ctrl-z the local variables appear to lose their association. Redoing ...
Lighting Scenarios Map Check warning about multiple skylights not supported
UE - Graphics Features - Dec 5, 2016When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...
Inputs and Outputs missing in Details pane on Interface function that has been transferred to local function
UE - Gameplay - Blueprint - Aug 12, 2015After removing an interface from a blueprint, any interface functions in the blueprint can be transferred to a local function. However, after this occurs, the inputs and outputs are removed from the ...
Blueprint Functions with a Parameter Named "Category" Will Change the Functions Category Back to Default
UE - Gameplay - Nov 19, 2018When creating a Blueprint Function under a non-default category, if you name one of its parameters "Category" the function will be moved back to the default category. This is working as expected in ...