Unreal Engine Issues

Auto Convex collision generation doesn't work in some instances the accuracy setting

The new auto-convex collision generated (V-HACD) will not work properly with some meshes to generate accurate collision. Using a rounded single piece mesh the accuracy setting will not work at all ...

Adding a node or variable to a component referenced by another actor crashes editor

If compile is pressed after adding a variable or node to a blueprint component that has a variable referenced within another blueprint actor, the editor immediately crashes. Frequency: 1/1 Crashr ...

Moving folder does not bring along maps

Moving a folder in the content browser does not bring along any maps contained in the folder. FREQUENCY: 3/3 WORKAROUND: Manually move maps ...

SetGamePaused documentation does not match functionality

SetGamePaused documentation states that it returns "whether the game was successfully paused/unpaused." This seems to imply that a return value of true means either the game was paused and was unpa ...

MaterialInterface is not exported and therefore it's functions are not accessible

MaterialInterface which is a base class for other classes (such as UMaterialInstanceDynamic) is not being exported which causes compiler errors when a user attempts to access the functions of this c ...

Full screen mode when using a laptop with Optimus ignores the gama setting

When using full-screen mode on a optimus laptop the gama that is set for the system appears to be ignored and uses the default setting, even if it has been adjusted in Windows display calibration se ...

Can't connect nor send packet via TCP socket in iOS

TCP Socket messaging in iOS seems not working.  ...

Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...

Lumen Software Raytracing has big lighting difference comparing to Hardware raytracing

It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading

It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...