Earlier quoted context omitted.
Yes, it won't. As parent points out, the EU previously mandated micro-usb support ( https://en.wikipedia.org/wiki/Common_external_power_supply ) which worked fairly well, and hasn't stifled the innovation that's resulted in USB-C.
> Although compliance is voluntary, a majority of the world's largest mobile phone manufacturers agreed to make their applicable mobile phones compatible with Europe's common external power supply specification (EN 62684:2010). Is compliance voluntary for this new ruling?
That's not really voluntary.