Atlassian Goals and Projects Access Permissions Question

[QMSpot _ Patrick Gehlich]

Hello together :)
I read, that Goals and Projects are in the rollout stage: April-Mai

I really think, it´s one of the biggest features of Atlassian so far!
Congratulations to that.

But i´m a bit concerned about the security.
I want to invite a Guest/Stakeholder/External User to a project.
I also tried it with a goal. But the Goal app needs more time.

So i wanted to invite a guest to a Project.
But he does´nt get the invitation.

When i give the Guest User Access to the Projects App, he can see all Projects and archived Projects.
He also can create new Projects, or see COntent from our licensed Colleagues.

Will this be fixed? 
We really want to use this function to communicate on the CTO Level with our Customers.

Thanks a lot.