The new search experience isn't properly interpreting CQL.
- Navigate to to Search
- Click on Advanced search
- Use a CQL like: example NOT example2
The search should bring results filtering only by 'example' without 'example2'.
It doesn't filter the content correctly based on the CQL.
Use the old search experience by going to https://yoursite’sname.atlassian.net/wiki/dosearchsite.action