# What changed in rollup-plugin-visualizer

> 9 changes in rollup-plugin-visualizer 6 to 7 from its official release notes, upgrade guides and advisories: 3 breaking, 1 deprecations, 2 new APIs and options. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/rollup-plugin-visualizer/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## rollup-plugin-visualizer 7

### Breaking changes

- The package is now ESM-only, so developers must use it in an ESM-compatible setup. (7.0.0) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#700)
- NodeJS 20 is no longer supported; the minimal version is 22. (7.0.0) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#700)

### New APIs and options

- Adds a fancy treemap. (7.0.1) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#701)
- A markdown report template is available for generating LLM-friendly reports. (7.0.0) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#700)

### Tooling

- Rolldown RC versions are now included in peer dependencies. (7.0.0) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#700)

### Fixes and other changes

- Corrects the main entry in package.json, affecting package entry resolution. (7.0.1) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#701)

## rollup-plugin-visualizer 6

### Breaking changes

- The minimum required Node.js version is now v20. (6.0.0) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/HEAD/CHANGELOG.md)

### Deprecations

- An accidental breaking change is deprecated. (6.0.8) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#608)

### Fixes and other changes

- Version 6.0.11 is identical to 6.0.5 and provides the latest v6 release that is not deprecated. (6.0.11) — [release notes](https://github.com/btd/rollup-plugin-visualizer/blob/8f948285b0a61bb956bf9952a6f5d4baf5ffaba8/CHANGELOG.md#6011)