You’ve looked all these possibilities for visualizing and managing your project portfolio. You still have a ton of in-progress work. You have features for new projects, emergencies for older projects, maintenance for prior releases, and who knows what else.
Maybe you have so much fire-fighting from not managing the project portfolio it will take you a while to work yourself out of the hole you’re in. Maybe you have many projects in the maintain phase of the product life cycle. The team has to create features and fix defects and otherwise support the previous and current products. Whatever the reason, you have many projects in progress.
Here are my recommendations:
Start with the low-level ...