Material fails to compile when virtual texture is connected to opacity mask only through Make/Break Material Attributes

UE - Graphics Features - Jun 2, 2022

If we connect a virtual texture to the opacity mask output of a material the material will fail to compile. Currently this is expected because allowing it could cause problems such as:No virtual tex ...

Material fails to compile when virtual texture is connected to opacity mask only through Set/Get Material Attributes

UE - Rendering Architecture - Aug 19, 2022

If we connect a virtual texture to the opacity mask output of a material the material will fail to compile. This is expected. However if the opacity mask uses a regular texture connected via SetMat ...

Editor crashes with 2 or more Clients when spawning in a Blueprint created from a Static Mesh using the Blueprint/Add Script button

UE - Networking - May 14, 2015

Editor crashes with 2 or more Clients when spawning a Blueprint created from a Static Mesh using the Blueprint/Add Script button. Blueprints created from Static Meshes using other methods do not cau ...

SyncGroups Do Not Function between BlendSpaces when Blend Time is 0

OLD - Anim - Sep 22, 2015

SyncGroups Do Not Function between BlendSpaces when Blend Time is se to "0." *It is quesitonable SyncGroups function between BlendSpaces regardless of what the blend time is set to, but especially ...

Crash debugging blueprints in a networked game session

Tools - Oct 14, 2016

Crash occurs when debugging blueprints when in a networked editor session. ...

Get Random Point in Navigable Radius Returning Invalid Value

UE - AI - May 5, 2016

When using the Get Random Point in Navigable Radius node, every few points return an invalid value. Found in 4.11.2 binary. Reproduced in 4.12 Preview 2, 4.10.4 binary, and Main CL 2962354 ...

Change in bitfield in a USTRUCT fails to replicate to clients

UE - Networking - Jun 23, 2015

In the sample project provided on UDN, the server changes a bitfield value but the change fails to replicate to the client. ...

Stationary Light Overlap View Mode Broken By Forward Renderer

UE - Graphics Features - Apr 13, 2017

The stationary light overlap view mode doesn't work properly in the forward renderer. Everything gets a red highlight making it impossible to see overlap. Images attached. ...

Sweep result from AddActorWorldOffset is inconsistent following direction when the actor is initially overlapped with other object.

UE - Simulation - Physics - May 19, 2017

Sweep result is not consistent when there is initial overlap but the x sign(+/-) is not same. I believe this issue is related to [Link Removed] So this leads to inconsistent behavior in the TwinSti ...

Warnings Log spam when pasting a widget into any panel widget

UE - Editor - UI Systems - Jun 8, 2018

An increasing amount of warning show up in the output log as a widget is pasted into a name space that is part of a widget that has been added to another widget via the user created section. Examp ...