Lappy Updater 1.3.0
The desktop option.
The existing offline updater for macOS and Windows. It verifies signed schema-2 packages and backs up internal flash before application-only installation.
macOS
Universal · Apple Silicon / Intel
Windows x64
Intel / AMD 64-bit
Windows ARM64
ARM 64-bit
These original archives are unchanged. macOS builds are locally signed, not Apple-notarized; Windows builds are not Authenticode-signed. Extract the archive and read its included quick-start guide. The desktop updater still needs a compatible signed .lappy package.