signal-desktop package comes from slackbuilds.org, but it has been built in the /extra repository. signal has frequent updates, and older versions don't work by design.
So I removed this package, and installed it from slapt-src.
I can't work out how it happened, but although the latest source was downloaded, it was an intermediate version that got installed, though both that and the current version were built:
Code: Select all
mimosa[~]$ slapt-get --show signal-desktop
Package Name: signal-desktop
Package Mirror: http://download.salixos.org/x86_64/extra-15.0/
Package Priority: Official
Package Location: ./salix/network
Package Version: 5.45.0-x86_64-1salix15.0
mimosa[~]$ ls /usr/src/slapt-src/network/signal-desktop/
README package-signal-desktop signal-desktop-6.20.0-x86_64-1_SBo.txz signal-desktop.info signal-desktop_6.20.0_amd64.deb
doinst.sh signal-desktop-5.55.0-x86_64-1_SBo.txz signal-desktop.SlackBuild signal-desktop_5.55.0_amd64.deb slack-desc