Jaskier and Radovid cross paths with each other in episode 1 as the famed songwriter is in the midst of a very public falling out with his current paramour, Vespula, after she has heard about his philandering deeds with “many different people.”

Source: https://centralrecorder.com/jaskiers-bisexuality-for-netflix-makes-sense-but-the-fans-of-jaskier-wont-be-happy/

Jaskier is still willing to work with Radovid to take down Rience and turn Ciri into a queen in Redania so that the girl, and everyone around her, can finally be safe.

Source: https://collider.com/the-witcher-season-3-episode-2-recap-unbound/