I get ads in podcasts. Not sponsored segments that the podcast creator inserted/narrated themselves (like used to happen), but ad served by Spotify itself, injected into the podcast. Easily 5 minutes in 30 min podcast[1], though this varies and I'm sure it is configurable by the podcast publishers.
1. This is not by feel, Spotify leaks it by displaying the original length and then updated one once it loads.
1. This is not by feel, Spotify leaks it by displaying the original length and then updated one once it loads.