Re: Should we Drop Patch Map Format 1?

I put together a draft PR showing what the spec change would look like:
https://github.com/w3c/IFT/pull/311

I assume we will want to formalize the decision to remove format 1 with a
resolution at the next call.

On Sun, Jul 26, 2026 at 4:37 AM Chris Lilley <chris@w3.org> wrote:

>
> On 2026-07-25 01:47, Garret Rieger wrote:
>
> I ran the eligibility check across the open source collection, and not a
> single case qualified for format 1. For that run, I disabled optional
> features and used quality 1 which produces the simplest possible
> segmentation plans, giving the best chance of qualifying for format 1.
>
> OK so now I'm strongly in favor of dropping it.
>
> Based on that result I didn't bother checking for size differences between
> format 1 and 2.
>
> Naturally.
>
> --
> Chris Lilley
> @svgeesus@mastodon.scot
> W3C Distinguished Expert, Color, Graphics & Fonts
> W3C Technical Programming Team, Core Web Design
>
>