NPM LIBRARY
engine.io
Official package-registry history. This page does not infer support or EOL from release activity.
- Versions indexed
- 161
- Latest version activity
- 6.6.11
- Latest registry signal
- Published
- Last synchronized
- 25 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 |
|---|---|---|---|---|
| 6.6.11 | 24 Sep 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.10 | 3 Sep 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.9 | 16 Jun 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.8 | 20 May 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.7 | 27 Apr 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.6 | 10 Mar 2026 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.5 | 22 Dec 2025 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.4 | 28 Jan 2025 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.3 | 23 Jan 2025 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.2 | 9 Oct 2024 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.1 | 21 Sep 2024 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.6.0 | 21 Jun 2024 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.6.2 | 18 Jun 2024 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.5 | 18 Jun 2024 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.4 | 9 Nov 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.3 | 6 Oct 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.2 | 2 Aug 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.2-alpha.1 | 1 Aug 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.1 | 27 Jun 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.0 | 16 Jun 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.5.0-alpha.1 | 11 Jun 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.4.2 | 1 May 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.4.1 | 19 Feb 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.4.0 | 6 Feb 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.3.1 | 12 Jan 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.3.0 | 10 Jan 2023 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.6.1 | 20 Nov 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.2.1 | 20 Nov 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.6.0 | 6 Jun 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.2.0 | 17 Apr 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.2.0-alpha.1 | 12 Mar 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.1.3 | 23 Feb 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.1.2 | 18 Jan 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 5.2.1 | 11 Jan 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.1.2 | 11 Jan 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.1.1 | 11 Jan 2022 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.1.0 | 8 Nov 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.0.1 | 6 Nov 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 6.0.0 | 8 Oct 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 5.2.0 | 29 Aug 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 5.1.1 | 16 May 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 5.1.0 | 4 May 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 5.0.0 | 10 Mar 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.1.1 | 2 Feb 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.1.0 | 14 Jan 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.6 | 4 Jan 2021 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.5.0 | 30 Dec 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.5 | 7 Dec 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.4 | 17 Nov 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.3 | 17 Nov 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.2 | 9 Nov 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.1 | 21 Oct 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.0 | 10 Sep 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.4.2 | 4 Jun 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.4.1 | 17 Apr 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.0-alpha.1 | 12 Feb 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 4.0.0-alpha.0 | 12 Feb 2020 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.4.0 | 13 Sep 2019 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.3.2 | 29 Nov 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.3.1 | 19 Nov 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.3.0 | 7 Nov 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.2.1 | 2 Nov 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.2.0 | 28 Feb 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.5 | 18 Feb 2018 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.5 | 27 Dec 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.4 | 12 Nov 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.3 | 11 Oct 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.2 | 27 Sep 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.1 | 2 Sep 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.4 | 28 Apr 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.1.0 | 27 Apr 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 3.0.0 | 5 Apr 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 2.1.1 | 22 Mar 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 2.1.0 | 11 Mar 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.3 | 16 Feb 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 2.0.2 | 16 Feb 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 2.0.1 | 30 Jan 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 2.0.0 | 22 Jan 2017 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.2 | 10 Dec 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.1 | 27 Nov 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.8.0 | 20 Nov 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.7.2 | 23 Oct 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.7.1 | 20 Oct 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.7.0 | 5 Oct 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.11 | 24 Jun 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.10 | 24 Jun 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.9 | 3 May 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.8 | 25 Jan 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.7 | 11 Jan 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.6 | 8 Jan 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.5 | 5 Jan 2016 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.4 | 4 Dec 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.3 | 1 Dec 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.2 | 30 Nov 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.1 | 29 Nov 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.6.0 | 28 Nov 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.5.4 | 9 Sep 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.5.3 | 9 Sep 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.5.2 | 9 Jul 2015 | PUBLISHED | Not checked yet | Official event ↗ |
| 1.5.1 | 19 Jan 2015 | PUBLISHED | Not checked yet | Official event ↗ |