weclome to the forum,
not going to happen any time soon, if ever.
rclone relies on a third party library, which has not been updated in nine months.
the rclone forum member, who wrote the code, has not visited the forum in two months.
much discussed in the forum
https://forum.rclone.org/t/rclone-blocked-by-proton/46203
https://forum.rclone.org/t/i-cant-connect-to-proton-drive/45904