Ask HN: Which technical conference( recording)s have you learnt the most from?

A recent example for me is Spacy IRL [0] a practical conference about running NLP pipelines. See how others are using tools of the trade helps me keep up to date.

[0] https://www.youtube.com/watch?v=hNPwRPg9BrQ&list=PLBmcuObd5An4UC6jvK_-eSl6jCvP1gwXc