UnrealEngine4.5-Preview-Fedora20-x86_64 Obj-Fbx Import Problem

There is a problem when importing both .obj and .fbx files with the import dialog not showing any of the import options.
is this is a known issue ?

Duplicate question: UnrealEngine4.5-Preview-Fedora20-x86_64 Obj-Fbx Import Problem - Platform & Builds - Epic Developer Community Forums