Unfortunately, the current mastodon UX does not have explicit support for threading posts like twitter does:

https://github.com/mastodon/mastodon/issues/8615

and therefore, threads will flood your followers' timelines and show up in reverse chronological order, potentially interleaved with unrelated, concurrently published, posts by other people they follow.

A potential stop-gap solution would be to publish only the first post and then mark the subsequent threaded reply posts as "unlisted":

https://docs.framasoft.org/en/mastodon/User-guide.html#toot-privacy

[The Doctorow Problem] Fold toots in a thread, only display some of them in timeline · Issue #8615 · mastodon/mastodon

Currently, when someone composes several tweets in a thread, this quickly swamps the timeline: This is undesirable, especially when the topic is not interesting to me. Twitter has (in my opinion) i...

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@ogrisel i have to admit, i've had some thoughts of taking time off to work on "fixing" some mastodon stuff

@arnicas I am not a ruby developer myself but maybe I should learn :)

Let me know if you work a PR, at least I can try to give it a review.

@ogrisel omg it's ruby, i hadn't realized that. never mind :)

@ogrisel I did that on mine. Luckily Mastodon will propagate when you first change the visibility.

But be aware that you can't change the visibility after the fact. (I tried setting the first one invisible first to craft the whole thread. That didn't work out 😅)