If you're experiencing a bug with Skyrim or one of the DLCs and it isn't fixed by the USSEP yet please report the bug on the USSEP tracker in as much detail as possible. This mod is a joint effort to fix the vast amount of bugs currently existing in Skyrim and its 3 official DLCs. What the Unofficial Skyrim Special Edition Patch (USSEP) Does Frequently Asked Questions - About the Projectġ. Known Issues, Incompatibilities and Notesġ0. What the Unofficial Skyrim Special Edition Patch DoesĢ. Unofficial Skyrim Special Edition Patch - PS4: Readmeġ.