NPM LIBRARY
is-function-x
Official package-registry history. This page does not infer support or EOL from release activity.
- Versions indexed
- 49
- Latest version activity
- 4.1.2
- Latest registry signal
- Published
- Last synchronized
- 26 Sep 2026
Authoritative registry
Version entries link to the official registry catalogue event that supplied the record.
Open package on npm ↗Lifecycle interpretation
Publication or deletion in a package registry is a distribution signal, not a promise of maintenance or security support. Any verified publisher EOL boundary remains in the main lifecycle catalogue.
Package-version activity
Newest official registry events first.
| Version | Registry event | Signal | Release notes | Evidence |
|---|---|---|---|---|
| 4.1.2 | 28 Aug 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.1.1 | 20 Aug 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.1.0 | 14 Aug 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.28 | 31 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.27 | 27 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.26 | 27 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.25 | 26 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.24 | 25 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.23 | 24 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.22 | 24 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.21 | 23 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.20 | 22 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.19 | 21 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.18 | 19 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.17 | 18 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.16 | 18 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.15 | 17 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.14 | 17 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.13 | 17 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.12 | 17 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.11 | 16 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.10 | 16 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.9 | 16 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.8 | 15 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.7 | 15 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.6 | 14 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.5 | 13 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.4 | 13 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.3 | 12 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.2 | 11 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.1 | 11 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 4.0.0 | 11 Jul 2019 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.3.0 | 16 Oct 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.2.0 | 26 Sep 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.1.1 | 1 Sep 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.1.0 | 11 Aug 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.0.0 | 11 Aug 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.4.0 | 11 Jul 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.3.0 | 2 Jul 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.2.0 | 29 Mar 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.1.1 | 27 Mar 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.1.0 | 20 Feb 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.6 | 15 Feb 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.5 | 13 Feb 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.4 | 3 Feb 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.3 | 25 Jan 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.2 | 25 Jan 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.1 | 20 Jan 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.0 | 20 Jan 2016 | PUBLISHED | Checked, none published | Official event ↗ |