An update will be applied December 9th, between 12PM and 1:00PM EST (UTC -5:00). The site may be slow during that time.
Since VS 2017's v141 toolset there is no longer a simple equation to calculate the redist name, dll version, and VS IDE version from just the MSVC toolset version. Refactor the logic to use hard-coded values and warn when a new version is not supported. Fixes: #19125