1. remote cli console settings lost - reseted to default off
This is noted in the Release notes.

2. smb superuser definitions are lost

We will have to check that as I did not experience this issue also can you tell us what Authentication you are using in the NAS Settings

3. firefox beta 10

Hence beta we need to test - Gr-R can you give it a test ? Though not sure we want to post this on our release notes for beta browsers.