I'm using Jira, too, and I don't think its slow. It actually works quite well and has loading animations for longer tasks, so it never feels laggy. Sure, it's n

I'm using Jira, too, and I don't think its slow. It actually works quite well and has loading animations for longer tasks, so it never feels laggy. Sure, it's not vi-levels of navigation speed, but it never bothered me. The UX works for me, too (although it took me a bit to learn it, to be fair).