[Webkit-unassigned] [Bug 258663] iOS 16.5.1 Safari meta viewport regression after upgrading from 16.1.1

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jun 29 02:59:41 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=258663

--- Comment #1 from juwagn <juwagn at gmail.com> ---
Just in addition, in example i have set initial-scale=1 
but usually i set minimum-scale and initial-scale instead fixed dynamically and as their value divided physic screen size by viewport width

lets assume physic screen width for wished viewport width 600
landscape 1080 / 600 = 1.8
portrait 810 / 600 = 1.35
<meta name="viewport" content="width=600, user-scalable=yes, initial-scale=1.8, minimum-scale=1.8" />
or 
<meta name="viewport" content="width=600, user-scalable=yes, initial-scale=1.35, minimum-scale=1.35" />
in such case it will cause issue on iOS 6.5.1 and work fine on iOS 6.1.1

Also it seems when minimum-scale/initial-scale is lesser than 1, like 0.79 then OK, if higher values than 1, like 1.35 then issue occurs.

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