If you are using / in paths your are limited to max 260 characters paths. If you want paths up to 32k you need to use back-slashes. I think this is the reason

If you are using / in paths your are limited to max 260 characters paths. If you want paths up to 32k you need to use back-slashes. I think this is the reason they are not switching e.g. Visual Studio over to max 32k paths.