I would really love if this became an option, since I’m planning on making my own instance. I’d like to keep my subscriptions, posts, comments and bookmarks and migrating would be something great. What do you think?
Hey OP, just letting you know I just released a tool that does this. It’s alpha, and only supports Lemmy BE 0.18.1-rc9 (and above), but if your source and destination meet that criteria, you can give it a whirl: https://github.com/CMahaff/lasim
Right now, yes - I know that’s unfortunate since we still have many instances on 0.18.0, but I’m hoping they will all move up to 0.18.1 once that is officially released, which should be soon.
Supporting multiple versions of the API would be really difficult right now with it changing so often, but the hope is that in the future you can at least use an older version of LASIM to download from an older lemmy instance, then take that profile file and upload it with a newer version of LASIM to a newer instance.