libyears

react

The latest version is 19.3.1, published 14 October 2026, 11 days ago.

Latest
19.3.1
dist-tag latest
Last release
11d
since the newest stable
Releases
143
29 in the last year
First seen
2011
15 years of history

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

MajorNewest in that lineBehind by
v1919.1.10 · Oct 2026current
v1818.3.1 · Apr 20241 major, 2.5 libyears
v1717.0.2 · Mar 20212 majors, 5.6 libyears
v1616.14.0 · Oct 20203 majors, 6.0 libyears
v1515.7.0 · Oct 20204 majors, 6.0 libyears
v00.14.10 · Oct 202019 majors, 6.0 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.