Good news for accessibility
To ensure that user will not be able to zoom on a webpage, the solution was to set meta-tag max-scale to "no" or 0:In a post, last week, Webkit announce a list of new interaction in iOS 10.
One of them : these settings maximum-scale and user-scalable will be ignore.
Zooming Everywhere
Safari on iOS 10 allows the user to pinch zoom on every page. As a developer, you should be aware of this, and make sure your content works well when zoomed.
Bad day for bad dev.
We think that lot of website will have a problem with this.Cause if an field (input/select) have a font-size less than 16px, Safari will automatically zoom to this field when user focus to this!
Safari zoom to a field with a tiny font-size
Source : hallofhavoc.com