docs: add note about v8 not being supported

README.md

@@ -8,13 +8,16 @@ _This is experimental, and may not support all project and storybook configurati
 
 Please open an issue if you experience any trouble, and be sure to include the log file that is generated from the `--diagnostics` flag of chromatic-cli, as well as the cli's output using the `--debug --trace-changed=expanded` flags.
 
+> [!NOTE]
+> Storybook 8 [no longer requires this plugin](https://github.com/storybookjs/storybook/blob/v8.0.0/MIGRATION.md#turbosnap-vite-plugin-is-no-longer-needed) and will automatically remove it if found. Use `--stats-json` instead.
+
 ## Setup
 
 ### Prerequisites
 
 - A [Chromatic](https://www.chromatic.com/) account.
 - `chromatic-cli` [6.5.0](https://github.com/chromaui/chromatic-cli/blob/main/CHANGELOG.md#650---2022-02-21) or higher.
-- Storybook 7.0+, or 6.5 with `@storybook/builder-vite` [0.1.22](https://github.com/storybookjs/builder-vite/releases/tag/v0.1.22) or higher.
+- Storybook 7, or 6.5 with `@storybook/builder-vite` [0.1.22](https://github.com/storybookjs/builder-vite/releases/tag/v0.1.22) or higher.
 
 ### Install