Assuming this is where bugs are reported as I can find no bug forum or tracker...
%{company.name} does not work despite being part of the default email templates. Instead of returning the value in Settings -> Company -> Company Name it returns 2
Fresh install:
osTicket Version v1.12.2 (a5d898b) — Up to date
Web Server Software Apache/2.4.29 (Ubuntu)
MySQL Version 5.7.27
PHP Version 7.2.19-0ubuntu0.18.04.2