I am using 7.9.5 on windows
I just discovered a security flaw that was not there before the update. When signed in as a developer only , I can escalate access with in the designer.
Step 1. Create a new internal user account with Dev access only
Step 2. Create a test project
Step 3 Drag the user admin console to the window
Step 4 Change the user source to internal
Step 5 find your test user , click the + sign
Step 6 give yourself admin