Unreal Engine Issues

Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.

This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...

Action event in the blueprint graph leads to state dirty.

BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...

Construct object fails to assign a value when using the level blueprint - ConstructObject node issue

https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...

GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated

A UDN user found that calling AbilitySystemComponent->RemoveReplicatedLooseGameplayTag(TagToRemove); while the gameplay tag was not in the TagMap, will create an entry for it with count 0, see ...

Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor

When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...

Enemy projectiles are traveling further then expected once project is packaged.

When playing the user's project in editor vs Packaged, there has been different results for the enemy projectiles and how they are shown on the screen. When In editor, any enemy projectile will dama ...

Components attached via AttachToComponent do not animate correctly when recorded by sequencer

When an actor is attached by the root to a bone of a skeletal mesh through the use of the "AttachToComponent" function in code, it will not follow animations when being recorded by the Sequencer Rec ...

[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set

This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...

Linux Multi-Monitor Support Issues on GNOME Shell

Users with GNOME Shell installed have reported having issues with multi-monitor support when the monitors are not equally sized or the same aspect ratio. If the application is moved from a smaller ...

FMediaFoundationMovieStreamer::Init() returns true even if the movie could not open.