Thank you so much for the details! This is very helpful. I will pass this along to my Jira Perf colleagues (there's multiple of them, since they know Perf is such a big issue).

Just to clarify on Search though, which search are you talking about:

a) quick search (top bar) b) issue search (the one with the basic/JQL switcher) c) something else

Trying to narrow down the latter "even if clicking into any of them is not" part to understand which view that is