tsl Saber textures and Steam version

[Prince of Pomp]

As everyone is aware, the Steam version of TSL has a delightful issue involving modded lightsaber textures, as well as with the fog effect, all due to the Aspyr patch. However, considering the fog issue was worked out, I am curious as to why the lightsaber texture issue has likewise not been fixed. Is it a matter of being unable to find the source of the issue, or is it literally impossible to reconcile? If this has already been asked, then I apologize; I'm just curious as to what exactly is going on "behind the scenes", so to speak.