as one of the organizers of CAIS 2024 we chose to do this too! We started with Grant Campbell, who announced his retirement and ended with Maggie McDonald, a PhD candidate at UoT. It was really fun.
I was at Discourse earlier this week and both keynotes were ECR - a conventional one and a panel (of which I was a part by kind invitation) and it was really so much better. I generally dislike them and the two conferences I have helped arrange last year, Queer Bib and Co-op Ed did not have them