TYPO3 Core

The popup for redirects is too general and never allows to verify created redirects on the fly.
Instead I prefer having the old URL respectively slug shown and the new one.
Then it's much easier to decide about it and the list of redirects never has to be crawled till the correct one is found.
As the list of redirects can get quite long this visual feature would be very useful - especially in cases where the automatically created redirect would break something.
Also the display top right without any blocking-mechanism is too trivial considering that changes might break a whole site.