So, I'm going to move from mastodon.online to tech.lgbt, do you know if the migration merges the accounts? Or does it overwrite it?

@brocolie I just moved to miaow.gay myself yesterday.

No data is moved. What moving does do is move your (mastodon) followers to your new account automatically. It also disables your old account. You can still download your bookmarks and other data, but you can't post. You also can't see your notifications any more. Wish I'd known that one.

You can export & import the list of people you follow (though they may need to approve again). But not posts (you can export them, but not import them).

@brocolie Your old account will get a notice that you've moved and a link to the new one. And your old posts will continue to exist there.
@brocolie I suggest posting something on your old account before moving so your followers are aware ~

@meganeko hmm, in that case I don't see much of a reason to use the alias + import/export option at all then, there's so little here on this account

better to just put a pinned post up