Unreal Engine Issues

On mouse down only fires with a double click for Left mouse button with certain input settings

The left mouse button press does not act as expected when the input setting "Default Viewport Mouse Capture Mode" is set to "Capture During Right mouse Down" TLDR: Left mouse button press fires wh ...

Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor

When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...

Particle Parameter change resets all vector parameters to default values in level instances

Particle Parameter change resets all vector parameters to default values in level instances. This only seems to effect Vector and Vector Random Parameter types. User Description: I have a particle ...

Sky light color isn't animatable

Exporting static mesh, then importing that fbx(w/ Import Normals and Tangents) doubles vertex count

Static meshes exported from the engine have more vertices when imported back into the engine. Occurs on? 4.13 - 3172292 - YES 4.16 - 3466753 - YES 4.17 - CL3512142 - YES ...

User Struct value set through a component is reset to default when modified through the level instance

Struct value set through a component is reset to default when modified through the level instance. If it's not set through the component, it works fine. User Description: There is a bug in the eng ...

Unable to Save or Close Editor after Copying .FBX to Content Folder via Project Directory

The editor is not allowing users to save or close a project after an .FBX file has been copied to the project's Content directory and allowing the Content Browser to discover the change in source fi ...

World Origin Rebasing Causing Camera to be Offset From Location When Exiting PIE on a Large Map

When using World Origin Rebasing, it is possible for the camera to offset itself from your starting location when exiting PIE. This will cause the next PIE session that starts at Current Camera Loca ...

Nativized build will crash on launch if a nativized Actor-based Blueprint class includes an instanced subobject that references another instanced subobject but does not also own it.

Crash occurs because the generated ctor for the nativized Actor-based Blueprint class is incorrectly trying to recreate a default subobject it owns through another instanced subobject. ...

Import/export single culture localization failing

[Link Removed] it seems like in 4.16 clicking the "Export translations for this culture" button (and perhaps import as well) for cultures that are not the native culture, you get an error ...