No worries about changing the icon set 
Lucide actually looks great, it keeps the simplicity of Feather but with a few more icons, I wouldn’t mind switching to Lucide at all. Of course, it needs to be tested, but in principle, and in terms of design, I don’t see any drawbacks.
After all, since the topic was about signal-strength, and since we don’t know Lucide’s timeline regarding the webfont, I was just proposing an alternative in case we still want to display the signal-strength
To perform the migration, there won’t be much to do (as long as the icon keys haven’t changed since Feather, otherwise a migration will be needed), we have a repo with the theme, which I forked this summer because tabler had some blocking bugs regarding Gladys: