[webkit-dev] Removing support for CSS regions

[Andreas Kling]

> On 1 Aug 2017, at 15:38, Dean Jackson <dino at apple.com> wrote:
> 
> I've been told that Amazon's Kindle Cloud Reader uses CSS Regions if available, and gets a significant performance boost. It has a fallback though.

Hi Dean! I’ve WebInspected around in a few books using Kindle Cloud Reader and can’t find any evidence that it uses CSS regions. Could this be outdated information?

> Also, it would be worth checking at least Apple's iBooks store for any content that might have used regions. It would be a shame if purchased books stopped working :)

A search (done around Christmas 2016) found no instances of iBooks using CSS regions.

kling