I’ve set up a group with about 10 people across Khronos and Babylon forums to try and create a workaround to enable ETC2 KTX compression to work on desktop. It works on all mobile devices, but desktop is the weak point, as seen here:
Please let me know if you’re interested in joining our group or learning more. You can reach me here or at firstname.lastname@example.org
Also, please advise any other forums to post in to find some people to join our team.