FOSDEM and Creative Freedom Summit are currently open for talk submissions. Both are great open-source conferences full of interesting people worth checking out. If you're working on design on open-source, maybe consider attending and presenting.
Creative Freedom Summit is a virtual conference dedicated solely to the features and benefits of Open Source creative tools on January 23 to 25. Proposals are due December 1.
https://creativefreedomsummit.com
FOSDEM is about free and open-source software, with a specialized track on open design. It's in Brussels, on February 3 and 4. Proposals are due December 8.