Versions beyond 4.5 (like 5.0 or 6.0) exist but are usually hardware-locked dongle versions, not available as simple downloads.
: A more modern iteration (released around 2017) that added support for newer systems like EDC17/MED17 and expanded its database to over 68 brands and 10,000 car models. Immo Universal Decoding 3.2 3.5 4.5 Free Download