Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec

UE - Networking - Jan 5, 2016

Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec. Reproduced in 4.9.2 binary and Main (//UE4/Dev-Main C ...

Unable to Import Sockets and LODs together for Static Meshes

Tools - Nov 6, 2015

When importing a Static Mesh into UE4 that is using the SOCKET_ naming, and is part of a Level of Detail set, the socket is discarded. If the Level of Detail set is removed from the Static Mesh, t ...

Spline component that is altered in the construction script cannot be referenced by the Event Graph

UE - Gameplay - Blueprint - Apr 21, 2015

A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...

Setting linear dampening during runtime via the event graph does not work for separated chunks

UE - Simulation - Physics - Destruction - Dec 18, 2014

DESCRIPTION: When using a DM in blueprints and setting the linear dampening in the event graph the DM will honor the linear dampening but the chunks as they break off will not. Setting the mesh to ...

Extremely long Spline Point will cause the editor to lose FPS

Tools - Nov 13, 2015

Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges.

UE - World Creation - Worldbuilding Tools - World Composition - Mar 6, 2020

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges. It should be set to Clamp or Mirror by default. ...

[MetaSounds] - Sound Waves used in composition cut out after GC in packaged game if the reference graph uses a literal input

UE - Audio - MetaSounds - Mar 18, 2022

When a Sound Wave is set on a referenced node, and that node is used in composition, the Sound Wave will cut out after some time. This does not occur if the reference node uses an Input node for the ...

Hot reloading with a plugin in the project prevents the project from being able to save.

UE - Foundation - Core - Jul 8, 2015

Hot reloading a project that includes a plugin will not be able to save if the plugin is used in the project. ...

Blueprint parameter of a function call will break on reload of the editor

UE - Gameplay - Blueprint - Jun 8, 2015

When using a code created function call inside of a blueprint that takes in a pointer to a UBlueprint as a paramter the pin for setting the desired blueprint will cause a compile error when the edit ...