At the 88th IETF meeting in Vancouver:
At the IAB Workshop on Internet Technology Adoption and Transition, 4-5 December, Cambridge UK, a related presentation was given ("Best Effort Service as a Deployment Success Factor")
Note: this paper + presentation cover a broader picture of QoS and transport protocols - but QoS is excluded from the Transport Services effort.
At the 89th IETF Meeting in London:
An article on what happened at this BOF has been published in the IETF journal (pages 19/20).
At the 90th IETF Meeting in Toronto: