backstage/.changeset/friendly-donuts-pump-cli.md

@backstage/cli

@backstage/cli
minor

Removes default React imports from template files, aligning with the requirements for the upcoming React 19 migration. Introduces a new ESLint rule to disallow import React from 'react' and import * as React from 'react'.

https://legacy.reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html