FYI, I'm now running v: 14.0.0-A3 and testings it.

RE: URLs displaying properly or not.   I chose to test Discussions. For 'topic:' I entered: 365 days in a year

After clicking "Submit", I checked its URL. Once again, the URL did not display properly. I think any number entered in the 'topic:' section corrupts the URLs, it results in URLs not displaying properly.