We still retain the ability for some projects to upload the legacy filetypes listed in [PEP 527](https://www.python.org/dev/peps/pep-0527/): https://github.com/pypa/warehouse/blob/aa0d54019c322b52cb6428780808816d417abbd1/warehouse/packaging/models.py#L124 https://github.com/pypa/warehouse/blob/e1d0e4e41738fd07a0edeb77f95fedba0fdd41f8/warehouse/forklift/legacy.py#L463-L480 https://github.com/pypa/warehouse/blob/e1d0e4e41738fd07a0edeb77f95fedba0fdd41f8/warehouse/forklift/legacy.py#L1167-L1174 We should audit which projects currently have this ability, and whether they are still publishing deprecated filetypes. For example, [Pillow is no longer publishing `bdist_wininst` files](https://github.com/python-pillow/Pillow/pull/4029).
We still retain the ability for some projects to upload the legacy filetypes listed in PEP 527:
https://github.com/pypa/warehouse/blob/aa0d54019c322b52cb6428780808816d417abbd1/warehouse/packaging/models.py#L124
https://github.com/pypa/warehouse/blob/e1d0e4e41738fd07a0edeb77f95fedba0fdd41f8/warehouse/forklift/legacy.py#L463-L480
https://github.com/pypa/warehouse/blob/e1d0e4e41738fd07a0edeb77f95fedba0fdd41f8/warehouse/forklift/legacy.py#L1167-L1174
We should audit which projects currently have this ability, and whether they are still publishing deprecated filetypes. For example, Pillow is no longer publishing
bdist_wininstfiles.