Add-ons can no longer have []'s in their name Add-ons can no longer have +'s in their name Add-ons can no longer begin with 1_ or end with _1 Add-ons can no longer end in "- copy" Add-on naming checks extended to prints/decals/faces Certain known bad add-ons will no longer execute (identified by CRC) Add-ons can no longer contain the space character (this was necessary, old add-ons have been automatically re-named) Add-ons can no longer have ".zip" in their actual name (as in the case of an add on named "weapon_gun.zip.zip")