rsbuild-v2-upgrade

1. Confirm current setup

- Read package.json to identify Rsbuild and plugin packages in use.

- Locate the Rsbuild config file (commonly rsbuild.config.(ts|js|mjs|cjs)).

1. Open the official upgrade guide

- Use the v1 → v2 guide as the source of truth:

- https://v2.rsbuild.rs/guide/upgrade/v1-to-v2

1. Plan the upgrade path

- List breaking changes that apply to the project’s current config and plugins.

- Note any removed or renamed options, defaults, or plugin APIs.

1. Update dependencies

- Bump @rsbuild/core to v2 (currently Beta tag).

- Bump Rsbuild plugins to latest versions via npx taze major --include /rsbuild/ -w -r

1. Apply config and code changes

- Update the Rsbuild config to match v2 options and defaults.

- Remove deprecated or unsupported settings.

1. Validate

- Run the build and dev server.

- Run tests or smoke checks relevant to the project.

- Fix any warnings or errors surfaced by the new version.