In Radio3 v0.51, if you edit a post that was sent to Facebook and/or WordPress, when you save changes, the Facebook and WordPress posts are updated too.
Unfortunately we can't do this for items that were sent to Twitter, there is no provision for updates in the Twitter API.
As a result, there is no 140-char limit on updates. Here's a screen shot showing a post that I'm updating for WordPress and Facebook.
Of course the changes flow to your RSS feed, as before.
The Link column of the history table now connects to the full URL and displays the domain that it points to. This is more informative than what was there before, the hash code of the shortened URL. Screen shot.
I try to keep the Docs menu full of links to things people ask about frequently.
So if you have a question about Radio3, look there first. You might save time.