As can be seen on this forum post at their website, the developers at FSDreamTeam have today released a major update to their Ground Services X (GSX) utility. The 1.9 upgrade includes a number of fixes and updates to cover new operators, improve operations with 3rd party add-on aircraft, generally improve existing functionality and – most important for parts of the Northern Hemisphere right now – adds de-icing vehicles with configurable spray patterns.
Existing GSX users will get the upgrade notification through the automatic update system asking them to download the latest version of Addon Manager, but will also need to download the new vehicle pack 5. If you haven’t yet discovered GSX, find out more here (links to vehicle packs are also on this page).