There is a large amount of FCPs open, and I think part of the reason is the large number of stabilizations that are targeted to become part of the 1.50 release. Things like:
* fold_first/reduce
* min_const_generics, arguably the biggest feature added (Edit: I just saw that the FCP hasn't started yet... this will be tight, maybe it'll only make it into 1.51)
* backtrace capturing and formatting as part of the standard library
* or_patterns might also make it into 1.50, we'll see
* fold_first/reduce
* min_const_generics, arguably the biggest feature added (Edit: I just saw that the FCP hasn't started yet... this will be tight, maybe it'll only make it into 1.51)
* backtrace capturing and formatting as part of the standard library
* or_patterns might also make it into 1.50, we'll see
So I think it will be quite a big release!