> It's definitely against the license terms. You're supposed to distribute the code that generated the distributed binaries. It does look like Synology are not

> It's definitely against the license terms. You're supposed to distribute the code that generated the distributed binaries. It does look like Synology are not abiding by the GPL here, but a minor nitpick: GPL v2 has no such requirement to distribute the source with the binaries. But if you don't, you do have to tell people they can get it and provide it in "machine-readable" format on request. See https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html section 3b