Thomas Streicher, Various ways of splitting and equality of objects (slides)
Martin Hofmann, The groupoid interpretation of type theory, a personal retrospective (slides)
Nicola Gambino, Aspects of univalence (slides)
Urs Schreiber, Some thoughts on the future of modal homotopy type theory (Notes)
Bas Spitters, Cubical sets as a classifying topos
Benno van den Berg, Weak universes and homotopy exact completion
Steve Awodey, On the cubical model of HoTT (slides)
Simon Huber, A Cubical Type Theory (slides)
Thorsten Altenkirch, The coherence problem in HoTT (slides)
Rasmus Møgelberg, Towards guarded recursion in HoTT
Tamara von Glehn, Models of homotopy type theory
Peter LeFanu Lumsdaine, Formalising the categorical semantics of type theory, in type theory (slides)