Many posts fit comfortably in multiple sections, so I thought it might be useful to have a thread to post links to IR related posts in other categories, so we're less in danger of missing them!
I've just come across one by @HaroldC3 in the Canon M section by pure chance dprevived.com/t/the-eos-m6-is-my-infrared-camera/1403/#post-10994
and here are a couple I put in the adapted lenses section
dprevived.com/t/an-adapted-28mm-shooting-in-infra-red/190/#post-1349
dprevived.com/t/test-with-an-adapted-500mm-mirror-lens-in-ir/191/#post-11006
Please keep the list updated :)