I'm experiencing a few other issues with Chrome as well (Facebook videos not working e.g.)
Regarding checkboxes => if you know where they are you still can use them - so clicking them works, you just don't see it
It seems that changing the zoom on a page with checkboxes using ⌘+- and ⌘++ make the checkboxes visible. They only do not appear when the page is at 100% zoom. The top image is at 100%, and the bottom (with the checkbox visible) is at 90%.
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