
Update, Sep 4: The feature is now live. Find the new details below.
While Threads already allows up to 500 characters per post (which is more than enough for casual users used to the microblogging format), it is now testing support for long-form posts through “text attachments”. Here’s how it works.
As spotted by app researcher Radu Oncescu (via TechCrunch), Threads is testing a new “text attachment” feature on iOS, which could replace the common practice of stringing…