The most significant complaint against older FORScan builds (2.3.x) was the inability to access modules in new Ford vehicles like the 2024 F-150, 2025 Mustang (S650), or the new Lincoln Nautilus. These vehicles use and high-speed Ethernet gateways.
The developers have warned that 2.4.6 introduces a completely rewritten communication driver. While faster, this driver may conflict with certain cheap ELM327 USB adapters (especially the blue Chinese clones). Some users report random disconnections every 10 minutes. forscan 246 beta better
Technical details (what changed under the hood) The most significant complaint against older FORScan builds