While 2.4.6 helps some adapters, it breaks others. Specifically, many users reported that and OBDLink EX adapters required firmware updates to work with 2.4.6, whereas they worked plug-and-play with version 2.3.5.
Betas can be unstable. Use them only if you need a specific new feature or fix mentioned in the changelog. forscan 246 beta download link
Malware actors know FORScan is popular. In April 2026, security researchers at Malwarebytes identified a trojan disguised as "FORScan_2.4.6_keymaker.exe" on peer-to-peer networks. While 2
: This version improved the algorithm for detecting firmware updates, making it a popular choice for updating PCM (Engine) and TCM (Transmission) modules on vehicles like the Mazda 6. While 2.4.6 helps some adapters