Checklist

Ship the l10n milestone ^DESKTOP ^MOBILE ^RELEASE ^BETA
Set reserved_slaves ^DESKTOP ^MOBILE ^RELEASE ^BETA ^ESR
Check to make sure you have all of the different types of slaves that you need ^DESKTOP ^MOBILE ^RELEASE ^BETA ^ESR
Start the automation ^DESKTOP ^MOBILE ^RELEASE ^BETA ^ESR
Sign Android builds ^MOBILE ^RELEASE ^BETA
Reset reserved_slaves and unlock slaves ^DESKTOP ^MOBILE ^RELEASE ^BETA ^ESR
Publish Fennec ^MOBILE ^RELEASE ^BETA
Run pushsnip ^DESKTOP ^RELEASE ^BETA ^ESR

Bugs hit