There’s been a few times where I had to look into an issue and found a comment I wrote much earlier with a ticket number or link to a previous ticket that explains exactly why this new issue is actually the intended behavior.

It’s really helpful when the product owners clearly can’t make up their minds about what they want their apps to do.

I actually remember the teacher having us do this in high school. I tried it again a few years later and it didn’t really work anymore.