HEIC conversion uses heic-to 1.6.6, LGPL-3.0, unmodified upstream source:
https://github.com/hoppergee/heic-to/tree/v1.6.6
https://www.npmjs.com/package/heic-to/v/1.6.6
The dynamically loaded HEIC module is separate from the main application bundle.
The included LGPL license applies to that library; source/build scripts are available in the npm package.
Supabase JavaScript client and fflate use MIT licenses (see upstream npm packages).