iOS 10.3 code hints at faster refresh rate for 10.5-inch iPad Pro
https://www.cultofmac.com/472905/ios-10-3-code-hints-faster-refresh-rate-10-5-inch-ipad-pro/

It seems like a faster refresh rate could be the next step for improved iPad displays. I
t’s likely the revamped 10.5-inch iPad Pro, which is expected to launch later this year with a new design featuring a larger screen and slimmer bezels, will be the first to benefit from the boosted refresh rate.

はい、iOSのコードから4月4日は100%なくなったな
今年後半に10.5が発売