How to change the Twitter logo from the old bird icon to the new X icon?
Access to the new Twitter logo requires Font Awesome Pro and isn't available in HubSpot using Font Awesome Free
The X icon for Twitter is included in FontAwesome v6.4.2, due to HubSpot limitations the theme is limited to using v5.
Upvote this idea in the community to help HubSpot understand how important this update is to users.
The theme was updated recently to allow you to configure FontAwesome Pro, this is the only way it is currently possible to access the updated icon for Twitter.