Collecting these here for everyone's edification :) Please reply to the main post with issues, not to this comment. Otherwise I can't edit and keep it updated!
Known
Comment subject has too much padding in Lynx/style=light
Filter/restriction symbols printing in a less-visible location
Time not displaying in 24-hour UTC format
QR box is appearing centered on page instead of under the comment it's in reply to
Very deeply nested threads may not be printing as links properly (core2 issue)
JS beta icon browser is taking the Tropo colors instead of the selected site scheme colors
Fixed
Comment header color is working off post order, not depth
Small gap below icons in comment headers - thanks chagrined for the fix!
There is no space between comment body and edit time, when a comment is edited - workaround, may need to be fixed in core2
Celerity is adding a border to .entry .header
Collapsed comments have a bolded subject link
Comment subjects are now links
?style=light strips page styling along with all other styling
Entry title is now h3 instead of h2
div nesting within threads doesn't play nicely with CSS precedence
Seperator before 'Expand All' appears inside parentheses
KNOWN/FIXED ISSUES
Known
Fixed