Check out some selected new features released with the recent upgrade to Mattermost v5.37.6:
Mattermost v5.37.6 contains medium-level security fixes.
Added a general performance fix for loading the web application and typing.
Improved performance while typing by moving some autocomplete layout calculations.
Improved performance by reducing DOM usage during render.
Removed real-time updates of a couple of features to prevent overloading servers on user updates.
Read more here.