Group Calendar events by portfolio

[#1]

We have a need for a Company-wide release calendar that pulls all active and open projects across all portfolios and business units into one calendar view. Currently when you look at the calendar month view you can turn each sub-calendar on/off but when you look at the gantt view it would be nice to have the projects grouped by the portfolio so that all projects for that portfolio are grouped together.

It would also be awesome if we could sort the portfolios from A-Z to make it easier to view the data.