Unreal Engine Issues

Collision change is not replicated to clients when server makes change to the scale of a mesh

When the scale of a mesh is changed on the Server, the collision change of that mesh is not replicated properly to clients, resulting in the collision being different between the server and client. ...

Cannot debug projects in the Editor if it uses a unique target build environment

It is not possible to debug a project in the Editor if the project's Editor target uses a unique target build environment. When attempting to debug, Visual Studio looks for UE4Editor.exe, when it sh ...

GPU time is not tracked in StatFPSChart on Android

This issue doesn't occur on iOS using the same project. This occurred on all the devices tested, which were: Galaxy S6 (SM-G920F), v6.0, Mali T760MP8 Galaxy S7 (SM-G930V), v7.0, Adreno 530 Galaxy S ...

BuildGraph cannot create installed build for Windows

Attempting to create an installed build of the Engine for Windows using BuildGraph currently fails when the process attempts to copy some Linux files to the installed build. This appears to be due t ...

Animation FBX export is broken for ThirdPersonCharacter

It seems like the animation fbx exporter is broken. The mesh is exported just fine and can be imported in any application without issue. As soon as the animation is exported the mesh becomes broken ...

In Texture paint mode falloff is not respected when dragging to paint

Multiple mouse samples per frame are causing this to happen. code needs to be moved to tick ...

[CrashReport] UE4Editor_MediaAssets!UMediaPlayer::GetPlaylistRef() [mediaplayer.h:890]

Comment from user:double clicked on a media player asset that I just cloned 880 /** 881 * Get the current play list. 882 * 883 * @return The play list. 88 ...

SwarmCoordinator.exe is missing from binary build

When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.

When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...

Subtractive Geometry Brushes All Show a + In The World Outliner

Subtractive Geometry Brushes All Show a + In The World Outliner. Works as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4213847 and 4.21 CL# 4221482 This is a regression.  ...