Jira is, uh, not my favorite software (ask my manager), but "AI-based replacement Jira" is the worst AI thing I've heard, and that's saying _a lot_.
I found this the other day, pretty cool concept of how kanban could work in an AI future. https://www.vibekanban.com/
If you want to fall in love with Jira, try ServiceNow Agile Development (flick through some screenshots on Google Image Search to feel the pain).