Can you link an official statement saying this is the case? The article still mentions class trials which don’t exist anymore and didn’t update any of the text in the article when it was “updated” 2 weeks ago. There hasn’t been any official confirmation that they are moving the deletion cutoff to the new 50. They probably just didn’t update the article.
e: According to CS, the article was updated but characters that haven’t been restored/logged into since the squish will continue to operate by the old requirements - if they weren’t going to be deleted before they won’t now, either, until restored and logged into. So you won’t lose anything unless you’ve already logged into those characters since prepatch: