Re: [EXTERNAL] Agenda items for Monday 23 June

Congratulations to you all on this milestone!

On Sat, Jun 21, 2025, 6:29 PM Seeger, Chris (NBCUniversal) <
Chris.Seeger@nbcuni.com> wrote:

> This is such excellent news!  Thank you Chris and everyone who helped get
> it here :-)
>
> Best,
> Chris Seeger
>
>
>
> *Chris Seeger*
>
> Director, Advanced Content Production
>
> Office of the CTO
>
> ------------------------------
> *From:* Chris Lilley <chris@w3.org>
> *Sent:* Friday, June 20, 2025 8:56:08 PM
> *To:* public-png@w3.org <public-png@w3.org>
> *Subject:* [EXTERNAL] Agenda items for Monday 23 June
>
>
> Mostly announcements:
>
> 1. PNG 3rd Edition will become a W3C Recommendation on Tues 24 June
>   https://github.com/w3c/transitions/issues/725
> <https://urldefense.com/v3/__https://github.com/w3c/transitions/issues/725__;!!PIZeeW5wscynRQ!s1rkUIJQoY2tKkWgbdhLQF_uhWDVpo8VF_32_G2eSdVdYptBKH2rKFHcupE_1dY52xcJpCJ0HkZg3g$>
>   (There is a one-week delay between requesting transition to
> Recommendation and publishing, so the 24th was the earliest date)
>
> 2. Mozilla, who originally proposed APNG back in the day, announced they
> are happy to see it in PNG 3rd Edition:
>
> Mozilla is proud to support PNG 3e in Firefox and grateful for the work
> the Working Group put into this specification including incorporating the
> prior APNG specification developed on the Mozilla Wiki (
> https://wiki.mozilla.org/APNG_Specification
> <https://urldefense.com/v3/__https://wiki.mozilla.org/APNG_Specification__;!!PIZeeW5wscynRQ!s1rkUIJQoY2tKkWgbdhLQF_uhWDVpo8VF_32_G2eSdVdYptBKH2rKFHcupE_1dY52xcJpCI2yx6X_w$>
> ).
>
> See and feel free to contribute to this bug (or its dependencies)
> regarding the implementation of PNG 3e in Firefox:
> https://bugzilla.mozilla.org/show_bug.cgi?id=495609
> <https://urldefense.com/v3/__https://bugzilla.mozilla.org/show_bug.cgi?id=495609__;!!PIZeeW5wscynRQ!s1rkUIJQoY2tKkWgbdhLQF_uhWDVpo8VF_32_G2eSdVdYptBKH2rKFHcupE_1dY52xcJpCJjZ0WXBA$>
>
> where it says
>
> APNG has been incorporated into the W3C PNG Third Edition specification.
> Updated bug title and specification URL accordingly.
>
> Since we should no longer be directly implementing the prior APNG
> Specification, but as a meta task still should "finish" implementing and
> fixing bugs in APNG, made sense to re-use this meta bug to keep
> history/lineage/dependencies rather than file a new meta bug and create a
> bunch of Bugzilla notification noise.
>
> 3. Servo, the emerging web engine written in Rust, has an issue to
> implement APNG and someone is on it
>   https://github.com/issues/created?issue=servo%7Cservo%7C37493
> <https://urldefense.com/v3/__https://github.com/issues/created?issue=servo*7Cservo*7C37493__;JSU!!PIZeeW5wscynRQ!s1rkUIJQoY2tKkWgbdhLQF_uhWDVpo8VF_32_G2eSdVdYptBKH2rKFHcupE_1dY52xcJpCKwXUB6LA$>
>
> 4. pnggroup, which maintains libpng, has a pull request from Cosmin Truta
> for APNG support in libpng v2
>   https://github.com/pnggroup/libpng/pull/706
> <https://urldefense.com/v3/__https://github.com/pnggroup/libpng/pull/706__;!!PIZeeW5wscynRQ!s1rkUIJQoY2tKkWgbdhLQF_uhWDVpo8VF_32_G2eSdVdYptBKH2rKFHcupE_1dY52xcJpCIIuVPa9Q$>
>
> 5. I'm writing a blog post which is a deep dive on CICP, and I plan to
> announce it the same day PNG 3rd Edition becomes a Recommendation
>
> and a question
>
> 6. It would be good to be clear how we handle 3rd Edition and 4th Edition,
> in terms of GitHub branches, so everyone is clear going forward.
>
> Specifically, I need to check in changes from Proposed Recommendation (a
> changes section that says "Changes from Proposed Recommendation: none") and
> a (currently empty) errata list, and then how to check in a first draft of
> Fourth Edition whose title says Fourth Edition and whose changes section is
> currently empty except for "Changes from Third Edition: none".
>
> --
> Chris Lilley
> @svgeesus@mastodon.scot
> Technical Director @ W3C
> W3C Technical Programming Team, Core Web Design
>
>