Unreal Engine Issues

Dynamic Shadows are not working when deployed to a mobile device

When deploying a Third Person Template project to a Mobile device, there will be no dynamic shadows in the level coming from the character. Shadows are shown in 4.6.1 but not in the changelist provi ...

Opening or Creating a Material with SubSurface Profile will Crash Editor with LPV enabled

After enabling Light Propagation Volumes with the console variable r.LightPropogationVolume=1, opening or creating a material with the subsurface profile model will crash the editor. Broken in 4.6. ...

Clicking a link from an unconnected reroute node compile error switches focus to the Level Editor tab

Empty reroute nodes lead to an error on compile with links that switch focus away from the BP Editor tab and onto the Level Editor tab when clicked. ...

Timeline functions do not work inside of Blueprint functions

I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...

A newly added BlueprintImplementableEvent no longer appears in the context search menu of an Event Graph if a Hot Recompile was performed after the event was added in code.

Performing a Hot Recompile in the Editor after adding a BlueprintImplementableEvent to code class does not have the new event added to the right-click context search window in the Event Graph of a B ...

Mobile Preview dynamic shadows not showing on Mac

When Using mobile preview in the 4.7 preview build, or in the changelist provided, Dyanmic lighting is not showing shadows when changed to movable. Following the steps below, you will see no shado ...

Spawn Actor from Class does not compile correctly when calling a child blueprint from a parent blueprint

Compile error occurs when attempting to spawn a child blueprint from a parent blueprint. ...

Square Root Falloff causes rendering errors in shipping builds on landscape

When a build has been packaged using shipping options, square root falloff settings cause landscape to incorrectly render. Note: When downloading the files, please note that the WindowsNoEditor fo ...

Editor crash when compiling a blueprint containing `SetAvoidanceEnabled` call in construction script.

The first time OnConstruction is called after duplication the Actor still has default class values

A Blueprint derived from a custom Actor class resets its variables to their default values when the Actor is duplicated, even if the actor being duplicated has a different value for that variable. T ...