ah yeah the original is actually here https://sourceware.org/git/glibc.git

running git shortlog -s -n -e glibc-2.35.. (03.02.2022 to now) gives

  270  Adhemerval Zanella 
   179  Noah Goldstein
   166  Florian Weimer
   158  Sunil K Pandey
   105  Sergey Bugaev
    84  Samuel Thibault
 [...]
´´´

it’s not much… https://salsa.debian.org/glibc-team/glibc/-/graphs/sid?ref_type=heads maybe 3 people ?

glibc