All grid servers are now running mono 6.0.0.319, which is a major update from version 5.x with a number of performance and security improvements.
The database server has been upgraded to run PostgreSQL 9.6.15.
Grid servers running macOS has been upgraded to macOS 10.13.6 or 10.14.6 including supplemental security updates.
Grid server running Raspbian has been upgraded to Rasbian 10 (Debian Buster).