On servers that support it, we should save a cursor and on next sync only fetch updates. Important for users with big folder hierarchies on servers that don't do all-at-once listings.
This is trivial for Image Comics, where new comics are added sequentially to your purchase history but harder for Dropbox and Onedrive which have limitations on where you can set them and what they report. But at minimum we should try to use them to early out when there are no changes.
On servers that support it, we should save a cursor and on next sync only fetch updates. Important for users with big folder hierarchies on servers that don't do all-at-once listings.
This is trivial for Image Comics, where new comics are added sequentially to your purchase history but harder for Dropbox and Onedrive which have limitations on where you can set them and what they report. But at minimum we should try to use them to early out when there are no changes.