The update addressed several "nuisance" issues found in v17.1 and v17.5:

Correlation between VCD values and ground-level monitoring stations. Conclusion:

Release 17.8 was also instrumental during a transitional period for Ross-Tech hardware . While it fully supported the newer HEX-V2 interfaces, it remained backward compatible with legacy cables like the HEX+CAN. This ensured that long-term users could maintain their older vehicles while gaining the ability to work on newer 2018 models without immediate hardware reinvestment.