You now have 15 minutes to edit your post on Threads, an increase from the previous five-minute limit. If you have fediverse sharing toggled on, that means you’ll have to wait 15 minutes until your post shows up on Mastodon and other platforms.
The window is a little short when compared to other platforms. X, for example, lets you edit your posts for up to one hour — but you have to pay for a subscription. Mastodon also Read Entire Article