If there’s a remote code execution vulnerability, normal users will update but you won’t. If you are voluntarily replacing automatic updates with manual process

If there’s a remote code execution vulnerability, normal users will update but you won’t. If you are voluntarily replacing automatic updates with manual processes, be sure to update Signal before using it each time, or a nation-state can tap a zero-day to infect all the experts who know better than to leave auto-update enabled.