i went to #BSDC2024 (not an htmx con) so you don't have to. 
here's my own recap of all the talks

Every talk is available to watch at: https://bigskydevcon.com

1. 1:26 - The htmx guide to gonzo open source marketing by Carson Gross
2. 8:23 - The Life & Death of HTMX by Alex Petros
3. 13:29 - Hypermedia Middleware: Introducing Walrus by Ben Damman
4. 17:14 - htmx sucks and now you're gonna hear about it (Mind the Gap) by Ryan Florence
5. 23:27 - Abusing Hypermedia by Nathaniel Maile & Jon-Michael Hartway
6. 27:51 - Local First by Warren Buffering 
7. 30:30 - Geospatial Data in an AI World by Jaron Jones
8. 31:12 - What's the Deal with Flutter? by Marcus Twichel
9. 32:41 - High floor, high ceiling by Sam Selikoff
10. 36:41 - Building HTML Frontend with Go & Templ by Adrian Hesketh
11. 37:56 - You can't build very interactive web apps without SPAs... and other HTMX myths by Anthony Alaribe
12. 47:50 - Development & DevOps Lessons from the New Montana Cadastral Application by Kenny Ketner
13. 48:27 - A Talk By ThePrimeagen by ThePrimeagen
14. 51:19 - Release of HTMX 2.0 on floppy disk