Adding an Object class to a plugin's module using the C++ Class Wizard results in a compilation error due to attempts to edit the new class' generated.h file during the initial compilation attempt. ...
There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...
Piloting and "Un-piloting" a camera Actor in viewport pane causes other viewport panes to reset its view orientation upon "Un-piloting" of Camera Actor. ...
Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited. ...
If a VertexInterpolator is used in a material that is applied to a landscape the material will fail to compile. Found in 4.20 CL# 4369336, 4.21 CL# 4.21 CL# 4613538, 4.22 CL# 4681912 ...
When updating to 4.21, Element previously added to DataTable is missing. This only occur when you move to 4.21. If it change from 4.19 to 4.20, DataTable will keep data. it can restore broken data b ...
Dynamic resolution dynamically changes the the size of the viewport in render targets. The thing is when the resolution changes: it is reprojecting previous frame that is stored in history render ta ...
A Skel Vert/Surf particle system attached to a cloth actor spawns particles around the origin instead of around the actor. ...
When setting the Long Stiff value to 0 for wheels it appears to destroy the actor as soon as the wheel come in contact with the ground ...
In UE 4.21, The current functionality that exists for DECLARE_EVENT Broadcast() does not function as the docs describe: [Delegate Events|https://docs.unrealengine.com/en-us/Programming/UnrealArchit ...