Unreal Engine Issues

"NO ASYNC TICK" in Cascade viewport when adding a Skel Vert/Surf Location

Adding a Skel Vert/Surf Location node to a Particle Effect causes it to stop displaying particles and throws the warning "No Async Tick". Toggling Skel Vert/Surf Location off allows the Particle to ...

Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12

Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...

Editor Crash when trying to get Color data from Vertex buffer

When attempting to get the vertex color of an instance of of a static mesh that is painted after placing it in the World Viewport. The Editor crashes returning an "Unhandled Exception". The cause o ...

World Compositor out of touch with loaded levels state

Crash when using world composition origin rebasing

Assertion failed: Pair != nullptr [Link Removed] [Line: 566] UE4Editor_Core!AssertFailedImplV() [e:\unrealeditorplaydead\engine\source\runtime\core\private\misc\assertionmacros.cpp:105] UE4Editor_C ...

Internal Compiler Error: Tried to create a property Crash in scope Beta_C, but another object (ObjectProperty /Game/Alpha.Alpha_C:Crash) already exists there.

After fixing the crash from [Link Removed] when compiling the child blueprint that has claimed the component name the parent was previously using without having compiled the parent, an internal comp ...

Vehicles with at least one kinematic collision do not function anymore

Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...

Comments in PO files are transient

Comments in PO files can currently be preserved, however they're not actually imported into our archive files, which means they're reliant on the PO files never being lost (or being generated via so ...

Bookmark positions are incorrect when using level origin rebasing

[Feature Request] ReferenceViewer: Add "Manage Collections" in context menu

In 4.23, the reference viewer has a static collection filter function. However, We cannot manage static collections. Only new collections can be created from dependencies or referencers via "Make co ...