It's getting worse and worse...
The list of new problems gets longer the more I am testing the Extras-Devel version. Check this:

-Half the games doesn't start at all due to the "SIGSEV signal" issue that was mentioned before
-Game speed decreased a bit (possibly because improved 2D visibilty)
-All my Save States are gone (why didn't you mention it, IzzehO? )
-Plus: Saving's not possible at all! Neither with the "Save State" Option nor automatically (for example, after getting the first Star in Super Mario and exiting, everything's deleted after restarting)

What now, IzzehO???
Can you please upload the original blight_input. conf as well as the gles2n64.conf and the mupen64plus.conf? Thanks!