It seems that someone could pack it for arm64: https://github.com/0mniteck/Signal-Desktop-Builder deb file: https://github.com/0mniteck/Signal-Desktop-Builder/raw/master/builds/release/signal-desktop_5.14.0_arm64.deb Signature: https://github.com/0mniteck/Signal-Desktop-Builder/raw/master/builds/release/signal-desktop_5.14.0_arm64.deb.sig