The phrase "unaddressed issues" refers to problems or concerns that have not been dealt with or resolved.
Sentences with «unaddressed issues»
«Sense of humor required» may be the biggest unaddressed issue in hiring today. (onlinepersonalswatch.com)
On tactical issues and team set up and who plays where I feel history suggests it is not high on Arsene's agenda to make significant change (based on consistent unaddressed issues over a few seasons). (arsenalarsenal.net)
Another often unaddressed issue with HIIT is that it's very taxing on the central nervous system. (medicaldaily.com)