Regarding 202y: I think it is in general useful to have an implementation of features before the standard is released, also to find issues before the standard is released.
The downside I currently see is that the none of the features is really ready (in the sense that there are explicit edits). In terms of features, I would prefer that we mainly focus on those that passed not only at J3 level but also were accepted at WG5 level. Namely, that's the list at https://wg5-fortran.org/N2201-N2250/N2234.txt That's the case for 'US23/DIN4 Add generic processing of assumed-rank object' / 'Ref: 24-136r1 "DIN-4: Generic processing of assumed-rank objects"' (→ https://j3-fortran.org/doc/year/24/24-136r1.txt ) However, there are other features (like 'unsigned') which were not accepted, albeit given that gfortran pushes for unsigned, let's see whether that will change … High on the list are surely templates, but those are currently completely underspecifed and too much in a flux… BTW: This week is the next J3 meeting; let's see what will result from it … Tobias
