Practically. I met Jira at version 3. I helped migrate JAC, EAC-J, JDOG and more.
I've done On-Demand. I've taken Jira to AWS and built deployment and IAC for EC2-native Atlassian deployments.
I've combined instances and torn them apart. Server, Data Center, Cloud, hybrids...
Find me in Anaheim if you want tales.
The first thing that came to mind for me was:
Then I read the rest of the post and now I'm kind of curious lol.
I once considered getting a stripe tattooed on my arms for each Jira upgrade I had done. But instead I wear the wrinkles with pride :)