Unreal Engine Issues

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

Alembic Geometry Cache crash with multiple meshes

Importing an Alembic geometry cache will cause a crash with multiple assets. Test asset attached that can reproduce this. When I tried with a couple of simple shapes from 3Ds Max I did not get the ...

Invisible landscape components when using tessellation

From user report ...

Cannot Save Blueprint if Get All Actors of Class In Param is a Level Class

When trying to get all actors of a level class, the blueprint that the node is contained in cannot be saved. ...

SCS child scene component instances can be registered out-of-order with non-scene component instances (regression).

This behavior is a regression in 4.12. Essentially we switched to attaching child components as part of the OnRegister() logic. This caused all root-level SCS components (including non-scene compone ...

Devices reporting OpenGL ES 3.2 such as Galaxy Note 7 detect as ES2-only

NetMulticast function will force non relevant Actors to be relevant for a few seconds before they become non-relevant again

If a NetMulticast function is calledl, it will force non-relevant Actors to become relevant for a few seconds before going back to non-relevant. ...

Packaging project with Blueprint nativization on produces various warnings.

From a UDN thread: When cooking, we are seeing hundreds of warnings of the format "Compiler Warning A node that generated no code of it's own ( X ) tried to inject code into Y". There isn't anythin ...

Instanced meshes velocities fix

"We've been able to enable velocity rendering when using instanced rendering. However, by looking at the generated vertex shader the computation of the previous position seems to be incorrect: flo ...

Editor Crashes After Deleting Actor with Media Texture

When spawning an actor with a media texture and then destroying the actor during runtime the game will crash several seconds later (30 - 75 seconds). Fatal error: [Link Removed] [Line: 118] A FRend ...