Re: Agenda + updates for WebFonts F2F Sep. 3rd

Vladimir,

I just arrived. How do we get into the locked building?

-- Ken

On Sep 3, 2019, at 09:29, Levantovsky, Vladimir <Vladimir.Levantovsky@monotype.com<mailto:Vladimir.Levantovsky@monotype.com>> wrote:

Hello WG,

Date and time: September 3rd, 2019, 10 AM – 6 PM Japan local time
(UTC: Sep. 3, 00:00 – 08:00; US Pacific: Sep. 2, 6 PM – 2 AM next day; US Eastern: Sep. 2, 9 PM – 5 AM)

Location
Miraikan National Museum of Emerging Science and Innovation,
2-3-6 Aomi, Koto-ku, Tokyo, Japan (Tel.: +81-3-3570-9151)
https://www.miraikan.jst.go.jp/en/guide/route/<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.miraikan.jst.go.jp%2Fen%2Fguide%2Froute%2F&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418180283&sdata=xlRu6%2FYImyIMdP1rKFc%2FQ6idluRKrf6nKBrOydSPm%2Bc%3D&reserved=0>
Room Jupiter, (7th floor) – hosted by ATypI

Attendance
The following WG members have confirmed their F2F attendance:
Vladimir Levantovsky, Roderick Sheeter, Ken Lunde, Jason Pamental, Garret Rieger, Chris Lilley, Myles Maxfield, Ned Holbrook.

Teleconferencing: IRC and Zoom meeting facilities.
Zoom: https://monotype.zoom.us/j/979270847<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmonotype.zoom.us%2Fj%2F979270847&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418190281&sdata=XghV0O6ZTptlSMvqbpDxeqfTn%2BUWDJWjEQfL%2FR8Dr%2B4%3D&reserved=0>

IRC: irc://irc.w3.org:6665/webfonts or http://irc.w3.org/?channels=webfonts<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Firc.w3.org%2F%3Fchannels%3Dwebfonts&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418195281&sdata=JE3EMs4jaOScYCTk4bp9XiH%2B5QTDIZY%2FA7Ln5EWjrO0%3D&reserved=0>

Agenda:

1.       Introductions / Administrivia (15 min)
- Charter review: timeline, deliverables [0];
- Review open action items [1];
- Future WG telcon scheduling;

2.       PFE Evaluation Report topics (~ 1 hour)
- Summary of work done to date:
   Analysis of existing solutions [2, 3];
   Font data analysis:  [4-7] (also see original email items, unfortunately web archive doesn’t preserve inline images);
- Discussion of the proposed PFE approaches: binary patch-based, byte-range, hybrid (including modified hybrid approach) [2, 8-10]

3.       Planning / future work items (~ 2 hours)
- Performance analysis framework of proposed PFE approaches [11] (~ 30 min):
   Languages / technologies for framework to use;
   Repo location
- Simulation Planning (including implementation steps / timeline / contributors ~ 1 hour):
   Patch-based subset font loading (including hybrid approach variants);
   Patch & subset protocol design [12];
   HTTP range request font loading (font preprocessor and loading simulation) [8];
   Unicode-range font loading simulation;
- Input data set / Font corpus (< 30 min):
   Ways to acquire input data / page view data set;
   Font contributions
(Lunch break ~ 1 hour)

4.       Additional items for discussion (~ 1 hour 30 min)::
- Variable fonts and PFE;
- Value of PFE for simple & complex scripts;
- Harfbuzz subsetter;

5.       AOB

6.       Dinner (TBD)


Thank you,
Vlad


References:
[0] WebFonts WG charter: https://www.w3.org/Fonts/WG/webfonts-2018.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2FFonts%2FWG%2Fwebfonts-2018.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418200280&sdata=mJRSJWJhyb92LoO2cWwb9X7RU8EJ3wUXTmdeRnCjrVA%3D&reserved=0>
[1] https://www.w3.org/Fonts/WG/track/actions/open<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2FFonts%2FWG%2Ftrack%2Factions%2Fopen&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418205276&sdata=OuIT4zRjc1gXbJRAJYHcDTHlesiw4wlV1dc0k1vGxlo%3D&reserved=0>
[2] Existing solutions notes (Google): https://docs.google.com/document/d/1AQ2VwiVwF77H2h_nuDHR1A5hRyGlpyIQYpYodMtEz1w/edit<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1AQ2VwiVwF77H2h_nuDHR1A5hRyGlpyIQYpYodMtEz1w%2Fedit&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418210277&sdata=AoYkfeBGGv0h6hGPLfPVIRDi1%2FTvz0E%2F1aEubdG9GPo%3D&reserved=0>
[3] Existing solutions notes (Adobe): https://docs.google.com/document/d/1kGH8tsoujDqaHD4GTAwHr_AXocUjdJ5umw8fwRKa9TY/edit<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1kGH8tsoujDqaHD4GTAwHr_AXocUjdJ5umw8fwRKa9TY%2Fedit&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418220274&sdata=L4rGQuLnLBF3XkQCp%2FcTDjzj6ICjHh%2BSrWTaoPJMkGo%3D&reserved=0>
[4] https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Feb/0011.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.w3.org%2FArchives%2FPublic%2Fpublic-webfonts-wg%2F2019Feb%2F0011.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418225268&sdata=T71qIL499CKwIq6xzCoo6%2FAohHdtOA4QIusxAqKFl5A%3D&reserved=0>
[5] https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Feb/0012.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.w3.org%2FArchives%2FPublic%2Fpublic-webfonts-wg%2F2019Feb%2F0012.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418230264&sdata=U3KIcYI7V%2BpcdYEBb3epCPXxd08PkhHX4bsO0jblBvM%3D&reserved=0>
[6] https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Aug/0000.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.w3.org%2FArchives%2FPublic%2Fpublic-webfonts-wg%2F2019Aug%2F0000.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418235263&sdata=yxkV2uKj%2FaxxpQIDZaQJ%2FfsbtNfadNt8EQkkyTs2HAY%3D&reserved=0>
[7] https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Aug/0003.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.w3.org%2FArchives%2FPublic%2Fpublic-webfonts-wg%2F2019Aug%2F0003.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418240260&sdata=OE0W47oBlxJbY0qSz1ZhwIh0JfEbumUSdtQdgqae7vo%3D&reserved=0>
[8] http://www.w3.org/2019/04/Maxfield-Streamable-Fonts.key<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F2019%2F04%2FMaxfield-Streamable-Fonts.key&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418250256&sdata=uvjdNnjRX3UTItbBXXH44bSlXso2W0mc%2Bqd2SP%2Frelk%3D&reserved=0>
[9] https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Aug/0023.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.w3.org%2FArchives%2FPublic%2Fpublic-webfonts-wg%2F2019Aug%2F0023.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418255254&sdata=pXtqIZ9FIzazqh3N8xwxwVMJDuf3aPuoiQQOlMA5jYY%3D&reserved=0>
[10] https://www.w3.org/2019/08/19-webfonts-minutes.html<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2F2019%2F08%2F19-webfonts-minutes.html&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418260252&sdata=r8wZo%2BquukjRv0i5joompecvBhvF8PDCNOXpCXoGTE4%3D&reserved=0>
[11] https://docs.google.com/document/d/1kx62tpy5hGIbHh6tHMAryon9Sgye--W_IsHTeCMlmEo/edit<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1kx62tpy5hGIbHh6tHMAryon9Sgye--W_IsHTeCMlmEo%2Fedit&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418265250&sdata=aCLEd1yKTaWaVgQL9K2%2BGX4bOGPOLnEinenKgoNBjW4%3D&reserved=0>
[12] https://docs.google.com/document/d/1DJ6VkUEZS2kvYZemIoX4fjCgqFXAtlRjpMlkOvblSts/edit<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1DJ6VkUEZS2kvYZemIoX4fjCgqFXAtlRjpMlkOvblSts%2Fedit&data=02%7C01%7Clunde%40adobe.com%7Ceea51094616d46582ec808d73005b3d9%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637030673418270249&sdata=Z2Cf6ZmQWn2ib4oV6jiHAmFt6%2BB%2FHnPlSgeYeDHvvIs%3D&reserved=0>