Strange performance when adjusting r.ScreenPercentage

Rendering - Apr 6, 2021

A UDN user has reported strange performance characteristics with occlusion queries / lights when using screen percentage. It appears using a higher screen percentage is faster; the user attached a s ...

SweepComponent fails against non-root bodies of skeletal mesh component in PhysX

Simulation - Physics - Apr 6, 2021

UDN - https://udn.unrealengine.com/s/question/0D52L00005H9X5XSAV/sweepcomponent-never-returns-a-valid-hit-against-skeletal-meshes-when-using-physx?fromCase=1 ...

Deprecated Event Dispatchers on components do not warn on their attached actors

Gameplay - Blueprint Editor - Apr 5, 2021

[Link Removed] ...

An array of structures variable has its values reset when the structure is modified without recompiling the blueprint

Gameplay - Apr 2, 2021

An array of a structure that has been modified without the array's blueprint being complied results in the values of the array element being reset. Compiling each blueprint that has the array of str ...

Ensure condition failed : loading sublevels containing reflection captures, UpdateAllReflectionCaptures may be called twice

Rendering - Apr 1, 2021

If sublevels containing multiple reflection captures are loaded in consecutive ticks and the execution timing of UpdateMaxCubemaps on rendering thread is delayed, UpdateAllReflectionCaptures will be ...

Crash when deleting the Add Component By Class node after changing the Relative Transform of the component

Gameplay - Blueprint - Mar 31, 2021

When adding the Add Component By Class node, choosing a class that has a Relative Transform pin, changing the transform, and deleting the node the editor crashes. I tested this with the Skeletal Mes ...

Async Task nodes placed in editor only modules should not issue a warning if the proxy class is set to something in the game module

Gameplay - Blueprint Compiler - Mar 30, 2021

Because the proxy class is set to something within the game module, no warning is placed on the node as the outer package ends up being a valid Runtime module. This should actually be a warning in ...

Current Max Draw Distance Field doesn't update if actor detail panel is open when Desired Max Draw Distance is changed in BP Editor

Gameplay - Blueprint - Mar 30, 2021

This issue seems to occur if and only if viewing the value in the details panel. Following the above repro steps without looking at the value in the details panel, and then clicking the asset to ins ...

Placing WaterBody makes sub-levels that should have no effect dirty

Tools - Water - Mar 30, 2021

This issue occurs when using the Landscape Streaming Proxy. ...

Image rendering is incorrect when RichTextBlock that displays an image is a child of Retainer Box

Tools - UMG - Mar 29, 2021

This issue occurs when using an image with RichTextBlockImageDecorator for RichTextBlock. This displays RichTextBox of RetainerBox and RichTextBox as it is. In the case of UMG Editor, the image is ...