We appreciate the heads up for bringing the issue to our attention. We always check the latest bits of Chromium to make sure we would have seamless upgrades when it becomes official. However we want to make a clear note that browsers in Beta (or as stated on Google Chrome Canary' page: designed for developers and early adopters) are not supported and while we welcome your feedback, it is not top priority to address problems with such browsers, moreover this particular issue is bug in Chromium itself.
Anyway, our suggestion is to download and install regular Chrome browser, so you can use Mist on it, and Canary would still be available and unaffected for you to play with.
Thank you for the involvement and understanding!
the Telerik team
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