Post a list of the improvements and fixes currently under development
It would be helpful to your customers to be able to see what issues are being worked on and what issues are slated for future fix/implementation. That should include a current estimate of delivery time.
I sense a lot of frustration on these pages. Having this method of providing you with our feedback helps, but only if you provide meaningful responses about what you plan to address. Black holes do not engender customer loyalty or appreciation.
You are doing a much better job of providing feedback than your counterpart on the Word team. That is very appreciated. A list would help even more at easing some of the frustrations users are experiencing in relation to Windows and Mac 2011 versions.