We recently updated our environment to the latest version of Outsystems UI (v2.19.0) and now our tab content in service studio is invisible.  This is making it difficult to do any work.

This is the update line (new version on the right) that made it invisible: 

Adding this to the css fixes the service studio display: 

.osui-tabs:not(.osui-tabs--has-drag) .osui-tabs__content-item:not(.osui-tabs--is-active){  -servicestudio-opacity:100;}