MicroConf is gradually adding ALL videos from past conference talks to YouTube:
https://www.youtube.com/channel/UCHoBKQDRkJcOY2BO47q5Ruw
Business of Software has videos of almost all past conference talks here:
If you are looking for something to watch over the coming Christmas/New Year season, that should keep you going!
Don’t know where to start? Then I recommend looking for the talks from Jason Cohen, Patrick McKenzie, and Peldi Guilizzoni.