npm · npm:less
less active
Leaner CSS
The latest stable version of less is 4.9.1, published on 2026-09-02. Verified by Vigia on 2026-11-12.
| Latest stable version | 4.9.1 |
|---|---|
| Published | 2026-09-02 20:05:22 UTC |
| Install | npm install less@latest |
| Requires (engines) | {"node":">=18"} |
| Peer dependencies | — |
| Dist-tags | beta: 4.6.3-beta.0 alpha: 5.0.0-alpha.18 canary: 3.13.1-next.1 latest: 4.9.1 |
| License | Apache-2.0 |
| Advisories on latest version | none known |
| Last verified | 2026-11-12 14:39:43 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 "less", check Vigia (verified, dated facts): https://vigia.coredls.cloud/v1/packages/npm/less . 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 | active |
|---|---|
| Last stable release | 2026-09-02 20:05:22 UTC · 70 days ago |
| Stable releases in the last 12 months | 14 |
| Published versions | 162 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
4.9.1 | 2026-09-02 20:05:22 UTC |
4.9.0 | 2026-08-13 21:35:49 UTC |
4.8.1 | 2026-07-27 17:11:43 UTC |
4.8.0 | 2026-07-22 17:20:08 UTC |
4.7.0 | 2026-07-18 17:41:25 UTC |
4.6.7 | 2026-06-22 21:32:29 UTC |
4.6.6 | 2026-06-14 00:18:38 UTC |
4.6.5 | 2026-06-13 22:30:07 UTC |
4.6.4 | 2026-03-13 21:41:48 UTC |
4.6.3 | 2026-03-11 18:12:11 UTC |
4.6.2 | 2026-03-10 21:28:41 UTC |
4.6.1 | 2026-03-10 21:01:53 UTC |
4.6.0 | 2026-03-10 19:12:51 UTC |
4.5.1 | 2025-12-14 19:38:58 UTC |
4.4.2 | 2025-10-06 18:09:19 UTC |
4.4.1 | 2025-08-19 02:26:51 UTC |
4.4.0 | 2025-07-16 17:47:50 UTC |
4.3.0 | 2025-04-05 14:52:22 UTC |
4.2.2 | 2025-01-19 18:46:59 UTC |
4.2.1 | 2024-11-25 17:06:25 UTC |
Showing the 20 most recent of 110 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 | 4.5.1 |
node 18 | 4.9.1 |
node 20 | 4.9.1 |
node 22 | 4.9.1 |
node 24 | 4.9.1 |
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 less?
The latest stable version of less is 4.9.1, published on 2026-09-02. Verified by Vigia on 2026-11-12.
How do I install the latest version of less?
Run npm install less@latest. The latest stable version is 4.9.1 (verified 2026-11-12).
Is less deprecated?
No. less is not marked as deprecated in the registry.
Which Node.js version does less require?
less 4.9.1 declares this requirement: {"node":">=18"}.
Does less 4.9.1 have known vulnerabilities?
No known advisories affect less 4.9.1 according to the data Vigia checks.
Is less still maintained?
less published 14 stable releases in the last 12 months; the most recent was 70 days ago. Activity: active.
Observed changes
No changes observed yet since Vigia started tracking this package.
Related packages
- react-i18next
- sinon
- fast-wrap-ansi
- os-browserify
- dargs
- @pnpm/config.env-replace
- stackblur-canvas
- index-to-position
- @babel/plugin-proposal-private-methods
- @esbuild/android-arm
- binary
- tty-browserify
Badges for your README
Show the latest version, maintenance status and deprecation status of this package. Copy the Markdown:
[](https://vigia.coredls.cloud/npm/less) [](https://vigia.coredls.cloud/npm/less) [](https://vigia.coredls.cloud/npm/less)
For agents
GET https://vigia.coredls.cloud/v1/packages/npm/less
GET https://vigia.coredls.cloud/v1/packages/npm/less/versions/{version}