NPM LIBRARY
symbol-observable
Official package-registry history. This page does not infer support or EOL from release activity.
- Versions indexed
- 19
- Latest version activity
- 4.0.0
- Latest registry signal
- Published
- Last synchronized
- 27 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 |
|---|---|---|---|---|
| 4.0.0 | 15 Apr 2021 | PUBLISHED | Checked, none published | Official event ↗ |
| 3.0.0 | 2 Nov 2020 | PUBLISHED | Checked, none published | Official event ↗ |
| 2.0.3 | 30 Sep 2020 | PUBLISHED | Checked, none published | Official event ↗ |
| 2.0.2 | 29 Sep 2020 | PUBLISHED | Checked, none published | Official event ↗ |
| 2.0.1 | 4 Sep 2020 | PUBLISHED | Checked, none published | Official event ↗ |
| 2.0.0 | 1 Sep 2020 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.2.0 | 26 Jan 2018 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.1.0 | 28 Nov 2017 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.4 | 13 Oct 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.3 | 11 Oct 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.2 | 9 Aug 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.1 | 15 Jun 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 1.0.0 | 13 Jun 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.2.4 | 25 Apr 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.2.3 | 24 Apr 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.2.2 | 19 Apr 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.2.1 | 19 Apr 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.2.0 | 19 Apr 2016 | PUBLISHED | Checked, none published | Official event ↗ |
| 0.1.0 | 19 Nov 2015 | PUBLISHED | Checked, none published | Official event ↗ |