npm · npm:symbol-observable
symbol-observable active
Symbol.observable ponyfill
The latest stable version of symbol-observable is 4.0.0, published on 2021-04-15. Verified by Vigia on 2026-11-12.
| Latest stable version | 4.0.0 |
|---|---|
| Published | 2021-04-15 01:27:39 UTC |
| Install | npm install symbol-observable@latest |
| Requires (engines) | {"node":">=0.10"} |
| Peer dependencies | — |
| Dist-tags | latest: 4.0.0 |
| License | MIT |
| Advisories on latest version | none known |
| Last verified | 2026-11-12 12:58:23 UTC |
| Sources | api.deps.dev, registry.npmjs.org, registry.npmjs.org |
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Maintenance
| Activity | dormant |
|---|---|
| Last stable release | 2021-04-15 01:27:39 UTC · 2038 days ago |
| Stable releases in the last 12 months | 0 |
| Published versions | 19 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
4.0.0 | 2021-04-15 01:27:39 UTC |
3.0.0 | 2020-11-02 17:55:25 UTC |
2.0.3 | 2020-09-30 19:24:03 UTC |
2.0.2 | 2020-09-29 14:32:23 UTC |
2.0.1 | 2020-09-04 02:29:03 UTC |
2.0.0 | 2020-09-01 14:32:15 UTC |
1.2.0 | 2018-01-26 17:41:50 UTC |
1.1.0 | 2017-11-28 18:43:49 UTC |
1.0.4 | 2016-10-13 20:59:21 UTC |
1.0.3 | 2016-10-11 01:04:12 UTC |
1.0.2 | 2016-08-09 16:50:31 UTC |
1.0.1 | 2016-06-15 06:56:05 UTC |
1.0.0 | 2016-06-13 22:18:20 UTC |
0.2.4 | 2016-04-25 19:38:37 UTC |
0.2.3 | 2016-04-24 06:04:48 UTC |
0.2.2 | 2016-04-19 18:14:44 UTC |
0.2.1 | 2016-04-19 00:46:42 UTC |
0.2.0 | 2016-04-19 00:34:58 UTC |
0.1.0 | 2015-11-19 13:39:31 UTC |
Showing the 19 most recent of 19 versions. JSON
Version compatibility
Newest stable version that declares support for each runtime version (from the requirements published with each version).
| Runtime | Newest compatible version |
|---|---|
node 16 | 4.0.0 |
node 18 | 4.0.0 |
node 20 | 4.0.0 |
node 22 | 4.0.0 |
node 24 | 4.0.0 |
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Frequently asked questions
What is the latest version of symbol-observable?
The latest stable version of symbol-observable is 4.0.0, published on 2021-04-15. Verified by Vigia on 2026-11-12.
How do I install the latest version of symbol-observable?
Run npm install symbol-observable@latest. The latest stable version is 4.0.0 (verified 2026-11-12).
Is symbol-observable deprecated?
No. symbol-observable is not marked as deprecated in the registry.
Which Node.js version does symbol-observable require?
symbol-observable 4.0.0 declares this requirement: {"node":">=0.10"}.
Does symbol-observable 4.0.0 have known vulnerabilities?
No known advisories affect symbol-observable 4.0.0 according to the data Vigia checks.
Is symbol-observable still maintained?
symbol-observable published 0 stable releases in the last 12 months; the most recent was 2038 days ago. Activity: dormant.
Observed changes
No changes observed yet since Vigia started tracking this package.
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