New TurnKey Syncthing version (19.0)

Changes:

• Upgrade the base distribution to Debian 13/Trixie.
• Use the Debian Trixie Syncthing package and signed APT update path instead of the third-party Syncthing repository.
• Preserve the firstboot-authenticated web interface, Nginx TLS proxy, default synchronization folder and supervised update workflow.
• See the TurnKey Core 19.0 changelog for changes common to all appliances.

Links

• Release meta-files (signature, manifest)