npm · npm:rx
rx active
Library for composing asynchronous and event-based operations in JavaScript
The latest stable version of rx is 4.1.0, published on 2016-03-07. Verified by Vigia on 2026-11-12.
| Latest stable version | 4.1.0 |
|---|---|
| Published | 2016-03-07 20:25:21 UTC |
| Install | npm install rx@latest |
| Requires (engines) | none declared |
| Peer dependencies | — |
| Dist-tags | latest: 4.1.0 |
| License | Apache-2.0 |
| Advisories on latest version | none known |
| Last verified | 2026-11-12 12:16:16 UTC |
| Sources | api.deps.dev, registry.npmjs.org, registry.npmjs.org |
Ask your AI assistant to check this
AI models are trained up to a date, so they can be wrong about versions, deprecations and vulnerabilities. Paste this into Claude, ChatGPT, Perplexity or Cursor and it will answer with the verified data on this page:
Before answering about the npm package "rx", check Vigia (verified, dated facts): https://vigia.coredls.cloud/v1/packages/npm/rx . For my whole project use https://vigia.coredls.cloud/context
Using an AI coding agent every day? Connect Vigia once and it checks this by itself.
Maintenance
| Activity | dormant |
|---|---|
| Last stable release | 2016-03-07 20:25:21 UTC · 3902 days ago |
| Stable releases in the last 12 months | 0 |
| Published versions | 103 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
4.1.0 | 2016-03-07 20:25:21 UTC |
4.0.8 | 2016-02-17 00:47:26 UTC |
4.0.7 | 2015-11-13 20:43:22 UTC |
4.0.6 | 2015-10-13 23:27:39 UTC |
4.0.5 | 2015-10-13 22:59:48 UTC |
4.0.4 | 2015-10-13 19:51:13 UTC |
4.0.3 | 2015-10-13 17:10:52 UTC |
4.0.2 | 2015-10-13 04:37:13 UTC |
4.0.1 | 2015-10-08 23:24:16 UTC |
4.0.0 | 2015-09-25 22:35:48 UTC |
3.1.2 | 2015-08-31 17:06:33 UTC |
3.1.1 | 2015-08-21 20:53:31 UTC |
3.1.0 | 2015-08-19 05:12:38 UTC |
3.0.1 | 2015-08-14 19:38:26 UTC |
3.0.0 | 2015-08-03 21:49:37 UTC |
2.5.3 | 2015-06-01 19:49:41 UTC |
2.5.2 | 2015-04-11 18:01:44 UTC |
2.5.1 | 2015-04-06 23:17:32 UTC |
2.5.0 | 2015-04-06 22:41:38 UTC |
2.4.10 | 2015-04-04 03:06:43 UTC |
Showing the 20 most recent of 103 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 | 4.1.0 |
node 18 | 4.1.0 |
node 20 | 4.1.0 |
node 22 | 4.1.0 |
node 24 | 4.1.0 |
Give your AI agent these facts
Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.
claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp
Add to CursorAdd to VS Code★ Star on GitHub
Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests
Frequently asked questions
What is the latest version of rx?
The latest stable version of rx is 4.1.0, published on 2016-03-07. Verified by Vigia on 2026-11-12.
How do I install the latest version of rx?
Run npm install rx@latest. The latest stable version is 4.1.0 (verified 2026-11-12).
Is rx deprecated?
No. rx is not marked as deprecated in the registry.
Which Node.js version does rx require?
rx 4.1.0 does not declare a Node.js version requirement.
Does rx 4.1.0 have known vulnerabilities?
No known advisories affect rx 4.1.0 according to the data Vigia checks.
Is rx still maintained?
rx published 0 stable releases in the last 12 months; the most recent was 3902 days ago. Activity: dormant.
Observed changes
No changes observed yet since Vigia started tracking this package.
Related packages
- webdriverio
- @types/ioredis
- @react-aria/select
- react-beautiful-dnd
- is64bit
- lru.min
- regex-utilities
- component-type
- @stoplight/spectral-parsers
- expo-system-ui
- @aws-sdk/util-buffer-from
- app-root-dir
Badges for your README
Show the latest version, maintenance status and deprecation status of this package. Copy the Markdown:
[](https://vigia.coredls.cloud/npm/rx) [](https://vigia.coredls.cloud/npm/rx) [](https://vigia.coredls.cloud/npm/rx)
For agents
GET https://vigia.coredls.cloud/v1/packages/npm/rx
GET https://vigia.coredls.cloud/v1/packages/npm/rx/versions/{version}