For the average shop? The cloud is the future, and Hyundai has made offline diagnostics nearly impossible for post-2020 vehicles.
By 2018, the market was flooded with "clone" or "copy" GDS VCI devices, allowing private shops to use dealer-level software. In response, Hyundai/Kia manufacturers updated their software to detect these clone devices. The Blacklist Era: gds commercial hyundaikia 2019 last of gds offline
The "Final Year." Manufacturers aggressively updated their systems, bringing online checks and blacklisting "clone" devices. Post-2019: For the average shop