Unreal Engine Issues

Child Actor Component outputs error when child class is set to empty using blutility

Child Actor Component outputs error when child class is set to empty using blutility I attached repro proj. ...

Packaging failed! toast does not replace the previous toast

Packaging failed! toast does not replace the previous toast. Users are able to click the Dismiss button for the most recent toast, but not for any others. The Show Output Log link works on all acti ...

Player and hud don't hide on autoplay

Crash when BP_LightStage SkyLight Cubemap Resolution changed by spinning value

Engine crashes when the value in the Cubemap Resolution for the SkyLight component in the BP_LightStage is changed by spinning the value. This asset is found within the Advanced_Lighting map of a B ...

Control of Camera is Lost When Piloting

Camera flies out of the control of the user. This is done without playing it in editor but by navigating the camera. ...

[CrashReport] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1213]

This is a longstanding crash that has occurred since at least 4.13. User DescriptionsI cant package. Every time I try, I get a crash and an "Unknown Error"failed to switch between game modes and af ...

Move To Location or Actor Not Working if Location is Outside of Navmesh

Move To Location or Actor will always fail if the target location is outside of the Navmesh, even if Use Pathfinding is disabled. Found in 4.18 P4 CL# 3685441. Reproduced in 4.17.2 CL# 3658906 & 4. ...

Corruption in rotating decal in TM-ShaderModels on iPhone 8 and X's

This particular decal is animated and has a Translucent decal blend mode This occurs on both iPhone 8 and 8 Plus (11.0.2) It does not occur on: iPhone SE, iOS 11 beta1 iPhone 7 Plus, iOS 10.3.2 ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

Multi-line text is not an option for arrays of text

When using the Multi-line option for a text variable, this option is no longer present when the variable becomes an array. It is unsure if this is intended behavior or not. This issue does not appea ...