The GL errors appear to be from Chrome/Chromium. Not Gnome Shell at all. Although it does sound like they're related to snaps too:
https://wiki.ubuntu.com/DesktopTeam/GNOMESnapStartup
The GL errors appear to be from Chrome/Chromium. Not Gnome Shell at all. Although it does sound like they're related to snaps too:
https:/ /wiki.ubuntu. com/DesktopTeam /GNOMESnapStart up