Feren OS 2023.08 will feature a new feature called Solstice, which will allow it to have a bunch of website applications in a vain similar to Peppermint's Ice, except unlike them these all have icon IDs that can be themed by icon sets.
Suffice to say, it'd be a pleasure for this icon set to support those listings, and to make things easier I'll try to provide links to the original icons, or better yet icon IDs from the icon set where possible, for these icons: