Many times when I suspect there may be a bug in a Version of Ignition on a project that's been installed a while back, I will go to the downloads archive page and view the release notes of versions in between. However, this requires searching one sub version at a time.
Would be nice if there was a place that has all the release notes in one spot, so I can just do a keyword search to find what version something was fixed on instead of searching 8.1.8, then 8.1.9, then 8.1.10 etc.