[Webkit-unassigned] [Bug 161452] Need an API to scale the page of macOS WKWebView

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=161452

Teodor <teodor.atroshenko at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |teodor.atroshenko at gmail.com

--- Comment #2 from Teodor <teodor.atroshenko at gmail.com> ---
This is a significant issue now that iOS apps can be run on macOS on Apple Silicon.  It is common for macOS apps to offer in-app font size control. Some users may prefer to keep the operating system font size one size, but increase font size in text-heavy apps (e.g., messenger, news, social networking apps).

Our users are reporting problems with zoom in WKWebView-based apps. Contrary to Safari behavior, `webkitTextSizeAdjust` CSS property does not scale font size in WKWebView - all other elements of the layout are scaled, though. That limitation/issue would be fine if only this API was available and documented.

Is there a Radar for this?

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