I've never had to reboot Linux after a glibc update if I didn't care whether the new version was being used. In general, glibc updates are not important enough

I've never had to reboot Linux after a glibc update if I didn't care whether the new version was being used. In general, glibc updates are not important enough to interrupt what I'm doing to reboot my device and I'll just shut down or reboot my device the next time I normally do.