# Rolldown

- **Canonical URI:** https://www.vioscale.ai/software/rolldown
- **Category:** Bundlers
- **Homepage:** https://rolldown.rs
- **Also known as:** rolldown
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:20:02.298Z

## Vioscale score

**49.3 / 100**, confidence 23% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 0 | 0.07844444444444446 | 0 | - |
| repo_stars | 78.2 | 0.026 | 2 | ✓ |
| integrations | 22.4 | 0.07033333333333334 | 1.6 | ✓ |
| dependent_projects | 8 | 0.063 | 0.5 | ✓ |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 96.7 | 0.052 | 5 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 0 | 0.042 | 0 | - |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-20, [verify at source](https://rolldown.rs). Independently observed._

Open source · Free tier

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Open Source | Free | ✓ | - |

### Open Source

Full bundler with transforms, minification, and plugin support

- Rust-based bundler
- Rollup-compatible API
- Esbuild feature parity
- Built-in transforms and minification
- Vite 8+ integration

## About

A JavaScript/TypeScript bundler combining Rollup-compatible APIs with esbuild feature parity, designed as the standard bundler for Vite. Free and open-source software built and maintained by a core team with community contributions.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI
- **Deployment:** Cloud / SaaS

## Integrations (5)

_Independently observed._

- Rollup
- Vite
- esbuild
- napi-rs
- GitHub

## Release history

| Version | Date | Type |
|---|---|---|
| [v1.2.6](https://github.com/rolldown/rolldown/releases/tag/v1.2.6) | 2026-08-26 | stable |
| [v1.2.5](https://github.com/rolldown/rolldown/releases/tag/v1.2.5) | 2026-08-19 | stable |
| [v1.2.4](https://github.com/rolldown/rolldown/releases/tag/v1.2.4) | 2026-08-12 | stable |
| [v1.2.3](https://github.com/rolldown/rolldown/releases/tag/v1.2.3) | 2026-08-05 | stable |
| [v1.2.2](https://github.com/rolldown/rolldown/releases/tag/v1.2.2) | 2026-08-03 | stable |
| [v1.2.1](https://github.com/rolldown/rolldown/releases/tag/v1.2.1) | 2026-07-29 | stable |
| [v1.2.0](https://github.com/rolldown/rolldown/releases/tag/v1.2.0) | 2026-07-15 | stable |
| [v1.1.5](https://github.com/rolldown/rolldown/releases/tag/v1.1.5) | 2026-07-08 | stable |
| [v1.1.4](https://github.com/rolldown/rolldown/releases/tag/v1.1.4) | 2026-07-01 | stable |
| [v1.1.3](https://github.com/rolldown/rolldown/releases/tag/v1.1.3) | 2026-06-24 | stable |
| [v1.1.2](https://github.com/rolldown/rolldown/releases/tag/v1.1.2) | 2026-06-18 | stable |
| [v1.1.1](https://github.com/rolldown/rolldown/releases/tag/v1.1.1) | 2026-06-11 | stable |
| [v1.1.0](https://github.com/rolldown/rolldown/releases/tag/v1.1.0) | 2026-06-03 | stable |
| [v1.0.3](https://github.com/rolldown/rolldown/releases/tag/v1.0.3) | 2026-05-27 | stable |
| [v1.0.2](https://github.com/rolldown/rolldown/releases/tag/v1.0.2) | 2026-05-20 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=rolldown&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/rolldown/rolldown/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 13,911 | [link](https://github.com/rolldown/rolldown) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 2 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Frolldown%2Frolldown) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Rust | [link](https://github.com/rolldown/rolldown) | 2026-08-26 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/rolldown/rolldown) | 2026-08-26 | 95% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 6 | [link](https://github.com/rolldown/rolldown/releases) | 2026-08-26 | 70% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 5 | [link](https://rolldown.rs) | 2026-08-20 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://rolldown.rs) | 2026-08-20 | 75% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://rolldown.rs) | 2026-08-20 | 60% (medium) |
| pricing.model | open_source | [link](https://rolldown.rs) | 2026-08-20 | 60% (medium) |
| pricing.price_level | free | [link](https://rolldown.rs) | 2026-08-20 | 60% (medium) |
| pricing.transparent | yes | [link](https://rolldown.rs) | 2026-08-20 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=rolldown&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=rolldown&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/rolldown). Independent, evidence-based software intelligence. Cite the canonical URI.*
