Hi,
We are pleased to inform you that ToolTip and ToolTipService are now available in the latest version of C#/XAML for HTML5 (aka CSHTML5).
You can download it from:
http://forums.cshtml5.com/viewforum.php?f=6
By the way, the latest version adds support for VS 2017 as well.
You can send feedback by posting on the forums or by sending an email to support@cshtml5.com
Your UserVoice votes have been given back to you. You can use them to vote for other features on http://cshtml5.uservoice.com
Thank you for your valuable feedback!
Regards,
The CSHTML5 Team