Confirmed Resolved Issues don't appear on board

[Alex S]

We have a Kanban board setup for QA. It has all of the Confirm Resolved bugs assigned to QA along with any issues that need triaging. It's been working great, except at some point along the way it stopped displaying some # of issues in the Confirm Resolved status. All of the issues do appear in the Board's filter, just not on the board. The status is assigned to a vertical swimlane and in the Board Configuration it shows an issue count associated with that status.

[boardtc]

I assume you have checked the Swimlanes tab in the board configuration, this allows extra filtering for the swim lane.