Best order for upgrading Catalina SU2020 and 3D Connexion Space mouse

Hi, I have a 2017 MacBook Pro running Mojave latest, 3DConnexion mouse Version 10.6.4 and SU 2019 19.3.252.

Wondering what is best order to upgrade to Catalina and the new 3D Connexion and SU 2020. Had issues in past with 3D and Mac upgrades… there may be a simple path but keen to hear advice. Cheers and stay safe and healthy!