Unreal Engine Issues

Linked animation graph doesn't trigger anim notifications on dedicated server.

Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...

State Tree needs to be compiled again after reopening the Project

It seems upon reopening a project with State Trees, they don't always keep their last compiled state or recompile when the project is loading up. Same issue occurred when I removed a Task from a Sta ...

Unable to change collision profile on static mesh component to a specific profile.

[CrashReport] UE4Editor_Engine!FAnimNotifyEvent::IsBranchingPoint() [animtypes.cpp:86]

This is a common crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 float FAnimNotifyEvent::GetDurati ...

NotifyControllerChanged not always called on client

See linked UDN for more information. ...

A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work.

A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work. The licensee noticed that IPhysicsProxyBase* ...

Crash when importing an Alembic file with Materials if it already exists

nDisplay Crash in DisplayClusterDeviceBase.cpp

Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct

Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...

Crash when spawning actor with no viewport initialized

If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...