Typical Tesla quality I see. This is more like alpha testing, not beta.
And quite a few people that say the Model 3's backup camera sucks hardcore, among the complaints.Since you asked.
On TMC there are actually quite a few reports from Model S owners like Yue Yue who have received their 3's in the last couple of weeks. Here is one of the more thorough ones that speaks to the sound quality among other things and brings up a few issues at the end.