libyears

fastify

The latest version is 5.12.7, published 13 October 2026, 12 days ago.

Latest
5.12.7
dist-tag latest
Last release
12d
since the newest stable
Releases
300
26 in the last year
First seen
2016
10 years of history

If you are on an older major, this is the gap

MajorNewest in that lineBehind by
v55.12.7 · Oct 2026current
v44.29.1 · Apr 20251 major, 1.5 libyears
v33.29.5 · Jan 20232 majors, 3.7 libyears
v22.15.3 · Aug 20203 majors, 6.2 libyears
v11.14.6 · Apr 20194 majors, 7.5 libyears
v00.43.0 · Feb 20185 majors, 8.7 libyears

A libyear is a year of release time between what you have and what has shipped. The measure is Jared Beck’s.

Check your own instead

This page is about the package. The number that matters is about your lockfile, and you can have it in a few seconds without an account:

npx @libyears/cli

Runs offline, reads your lockfile, sends nothing anywhere. Private package names never leave your machine. MIT licensed.