Unreal Engine Issues

UMG widget callbacks do not set PIE context in editor

This is from a UDN post. Several gameplay functions, such as level streaming and SoftObjectPtr resolution, depend on the GPlayInEditorID being set when that code is executed in PIE in the editor. T ...

Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash

Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...

Adding a section with mesh editor mode lead to a staticmesh editor crash

Cannot edit properties for a component inherited from a code class if the component's default subobject was created using a string that matches the variable name of a component in a parent code class

It is not possible to edit the properties in the Details panel inside the Blueprint editor for a component inherited from the parent code class, if the default subobject for that component was creat ...

Instanced Static Mesh component instances in levels that are not currently loaded do not have their defaults updated properly

Editing the properties of an Instanced Static Mesh or Hierarchical Instanced Static Mesh does not propagate those edits to the defaults of instances that are in levels that are not currently loaded. ...

DebugCanvas handling Windows HighDPI scaling incorectly

Change windows DPI scaling to something other than 100% causes the DebugCanvas to display incorrect position and text size. ...

Cannot package a Client version of a project in UFE when using VS 2017

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...

[Rhino UVS] - Texture map offset and repeat settings changed from Rhino to UE4

Issue was reported by customer (Oct 15, 2018): [Link Removed] ...

Crash in editor after disabling AISystem in Worldsettings

After disabling the World Option bEnableAISystem, clicking with the right mouse button on the asset browers (in an empty place) casues the editor to crash. ...

Navmesh generation doesn't work with Retopologize tool

When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...