This is a url to their official website and if you visit the link with JavaScript disabled you'll see what they most likely consider 'officially supported'. Th

This is a url to their official website and if you visit the link with JavaScript disabled you'll see what they most likely consider 'officially supported'. They're not saying you couldn't use anything different/newer though. https://www.bluecrossma.com/ProviderPortal/view/providerportal/index.html https://www.bluecrossma.com/ProviderPortal/view/providerport...