With every package I install / deploy I get an error "The package was signed with a certificate that has expired" I view the cert, and it expires in 2020 (Office 2016 15.15.0 patchs). But it's with any .pkg file that i try on 10.11.1 (all betas). Allow from anywhere is selected in Security and Privacy.

I've noticed since beta one on the ATV4k that the audio has stearted curtting out regularly for about 3 seconds and about every 10-15 minutes. It started out being once in a while, now it's regularly across all streaming apps (netflix, amazon, disneynow, nickjr, plex). Submitted a bug report on it awhile ago, haven't heard anything back.