I just learned that Chrome 100 will break a ton of websites. Apparently, some websites read the first two digits of the version number, meaning that 100 would be read as 10 and trigger the thingy designed to prevent older, insecure versions of Chrome from visiting the site.
(if you’re wondering where I found this out, here it is: https://www.forbes.com/sites/gordonkelly/2021/12/23/google-chrome-update-warning-new-chrome-version-100 )