@jdkiser @rms >GPLv3-only
That's the only red flag you need to know really - imagine intentionally setting up your project into a dead end by not putting the GPLv3-or-later header into each nontrivial file or assigning a proxy, or at least putting an unambiguous statement in the readme.

Session-desktop is hot Electron garbage - Electron is known for freedom issues and also bogging any computer down and annihilating battery life - I do not run Electron software and nobody should either.