Hi @Richard_Parke, all Projects within Teams are easily accessible as they were before but instead of expanding the team to view them, you will now be able to do this:
Have a look at the 
Quick walkthrough video by Asana which I posted in my 
Resources section above. Skip to 0:40 to see how Projects are accessed within Teams in the new sidebar.
Hi @TrevorWiser , you can follow up on the release of this rollout in the original announcement thread by @Marie :
Coming soon: Asana redesign to help you find what you need quickly and easily
Hi @Connie_Valkema , welcome to the forum 
As just noted above, despite finding all your projects within your Teams, I think you will also enjoy the new Top/Recent projects list for quickly accessing your daily/frequent projects.
Btw, the Top/Recent projects list is limited to the top 10, which are automatically updated based on your usage.