Currently, per css-grid-2, we force all tracks outside of an auto-repeat to be fixed. This potentially doesn't need to be the case, but I'm inclined to believe we should maintain this rule, even if we ...

According to css-grid-2, the last step of the track sizing algo is to stretch auto tracks. In css-grid-3 is a tentative definition for sizing auto tracks within an auto repeat. In addition to the ...