The Pluggable Transport Implementers’ Meeting (PTIM) will take place from October 19 through 21, 2021.

There is an open call for proposals; community sessions, lighting talks and workshops or other. The form is located here (no account required):
CryptPad

More info:
https://www.pluggabletransports.info/blog/ptim2021-announcement/

PTIM 2021 recap blog posts:

• PTIM 2021 Day 1 Recap - Pluggable Transports
• PTIM 2021 Day 2 Recap - Pluggable Transports

I understand that session videos will be available later.

Yes, videos are pending review from media.ccc.de team.
Hopefully they will be up soon.

Also:

• PTIM 2021 Day 3 Recap - Pluggable TransportsPTIM 2021 Day 3 Recap - Pluggable Transports

Videos from PTIM 2021 are online.

https://archive.org/details/ptim2021

Day 1

• Snowflake: Challenges, Growth, and Censorship Attempts - Presented by Tor
• Thoughts on Measuring Pluggable Transport - Presented by the Open Observatory of Network Interference
• TunnelBear Bandwidth Support Program - Presented by TunnelBear
• Rosen: An easy-to-use, Modular, Obfuscating Proxy Tunnel - Presented by Awn Umar
• Building a Successor for Obsf4 - Presented by Operator Foundation

Day 2

• User Feedback Panel - Presented by Atnafu Brhane, Amir Rashidi, and Andres Azpurua
• How to Make a Blizzard: Recruiting Snowflake Proxies and Rewarding Resource Sharing - Presented by the Calyx Institute
• How Psiphon VPN Supported Tanzanians During Shutdowns - Presented by Zaituni Njovu
• Building a Cross-Platform Circumvention Tool - Presented by Jigsaw and Lantern
• Turbo Tunnel Q+A and Workshop - Presented by David Fifield

Day 3

• Internet Freedom in the MENA Region - Presented by Hayder Hamzoz
• Policies Policing Your Codes and How We Use Them - Presented by Internews
• Bypassing Censorship with Machine Learning - Presented by Geneva and TunnelBear
• The Shadow Transport - Presented by Operator Foundation