Your knowledge is not complete...
The 75B SA (single action) in both 9mm and .40 has an ambi safety. The mag release is not reversible.
The 75B Compact in .40 S&W has an ambi-safety. The mag release may be reversible.
The 85B and the 85 Combat have ambi-safeties and slide releases, but the mag release is not reversible.
The 85B Compact in .40, (a limited-production gun, superceded by the 75B Compact in .40, is identical to the 75B Compact in .40.) Ambi safety; mag release may be reversible.
The standard 75B in 9mm does not have any ambi controls. The mag release is not reversible.
The the 75BD (decocker version) in 9mm or .40 does not have ambi controls. The mag release is not reversible.
The 75B DAO (in 9mm and .40) does not have a reversible mag release.
Note: A lot of folks can't work the mag release on any gun without changing their grip...