# Rollup, release history and use on real websites.

JavaScript module bundler optimized for building libraries and packages. A pioneer of tree shaking and ES module output. Used as the production bundler in Vite.

- **Status:** Stable. Stable and maintained, Rollup 4 released in 2023.
- **Category:** [Build Tools](https://be1st.ai/technologies/build)
- **First release:** 2015
- **License:** MIT
- **Latest version:** 4.68.0 (6 Nov 2026)
- **Official website:** https://rollupjs.org
- **Documentation:** https://rollupjs.org/introduction/
- **GitHub:** https://github.com/rollup/rollup
- **Page:** https://be1st.ai/technologies/build/rollup

## Rollup on audited websites

8 of the 16,845 websites audited by be1st run Rollup (<1%). That ranks it #7 of the 7 technologies in Build Tools we have seen in audits.

### Most used in Build Tools

1. [Webpack](https://be1st.ai/technologies/build/webpack): 22% (3,765)
2. [Vite](https://be1st.ai/technologies/build/vite): 15% (2,476)
3. [Turbopack](https://be1st.ai/technologies/build/turbopack): 13% (2,140)
4. [esbuild](https://be1st.ai/technologies/build/esbuild): 7.6% (1,287)
5. [Parcel](https://be1st.ai/technologies/build/parcel): <1% (82)
6. [Rolldown](https://be1st.ai/technologies/build/rolldown): <1% (44)
7. [Rollup](https://be1st.ai/technologies/build/rollup): <1% (8)

## Rollup versions and release history

5 release lines since 2015, as listed by the npm registry. The latest version is 4.68.0, released 6 Nov 2026.

| Version | Released | Latest release | Releases |
| --- | --- | --- | --- |
| 4 | 5 Oct 2023 | 4.68.0 (6 Nov 2026) | 193 |
| 3 | 11 Oct 2022 | 3.30.0 (22 Feb 2026) | 83 |
| 2 | 6 Mar 2020 | 2.80.0 (22 Feb 2026) | 217 |
| 1 | 28 Dec 2018 | 1.32.1 (6 Mar 2020) | 121 |
| 0.x (before 1.0) | 14 May 2015 | 0.68.2 (23 Dec 2018) | 273 |

Sources: [npm registry, package rollup](https://www.npmjs.com/package/rollup), checked 8 Nov 2026.

## Questions about Rollup

### What is Rollup?

JavaScript module bundler optimized for building libraries and packages. A pioneer of tree shaking and ES module output. Used as the production bundler in Vite. The be1st catalog lists Rollup under Build Tools. License of Rollup: MIT.

### What is the latest version of Rollup?

The latest version of Rollup is 4.68.0, released 6 Nov 2026 (source: npm registry, package rollup).

### How many websites use Rollup?

8 of the 16,845 websites audited by be1st run Rollup (<1%), as of 8 Nov 2026.

### When was Rollup first released?

Rollup was first released in 2015.

### Is Rollup still a modern choice?

Rollup is a stable, mature choice rather than a new one. Stable and maintained, Rollup 4 released in 2023.

### What are the alternatives to Rollup?

Technologies that do the same job as Rollup include Webpack, esbuild, and Rolldown.

Numbers: latest audit of each of 16,845 websites audited by be1st, as of 8 Nov 2026.