Recap of PFE activities

Hello WG,

I hope the following collection of links will be useful both as a historical summary of things done to date and as a primer for new [recent and, may be, future] WG members.

Prior solutions recap from Google: https://docs.google.com/document/d/1AQ2VwiVwF77H2h_nuDHR1A5hRyGlpyIQYpYodMtEz1w/edit
Prior solutions recap from Adobe: https://docs.google.com/document/d/1kGH8tsoujDqaHD4GTAwHr_AXocUjdJ5umw8fwRKa9TY/edit
Discussions on the proposed approaches to PFE:
http://www.w3.org/2019/04/Maxfield-Streamable-Fonts.key
https://lists.w3.org/Archives/Public/public-webfonts-wg/2019Aug/0023.html
https://www.w3.org/2019/08/19-webfonts-minutes.html
PFE Analysis framework (work in progress):
https://docs.google.com/document/d/1kx62tpy5hGIbHh6tHMAryon9Sgye--W_IsHTeCMlmEo/edit
PFE Design doc (work in progress): https://docs.google.com/document/d/1DJ6VkUEZS2kvYZemIoX4fjCgqFXAtlRjpMlkOvblSts/edit
September 2019 F2F presentations:
Closure vs Layout: https://docs.google.com/presentation/d/1qczAiExsuxhtm-0WSlZ0eSiHVOuuq1agTKZTU-26n5k/edit?usp=sharing
Harfbuzz Tech Talk: https://docs.google.com/presentation/d/1RMkpikAUmdIXaz3eEDYFETWfAwnT0Vw8_oC8Ait5xqs/edit?usp=sharing
Garret's and Rod's ATypI2019 public presentation is attached.
If I missed anything, please reply with any additional links.

Hope this helps,
Vlad