* Avoid `maximum call stack size exceeded` errors on large components ([#4694](https://github.com/sveltejs/svelte/issues/4694))
* Keep space in `<pre>` tags or when `preserveWhitespace` is `true`([#6437](https://github.com/sveltejs/svelte/issues/6437), [#4731](https://github.com/sveltejs/svelte/issues/4731))
* Better error message when trying to use style directives on inline components ([#7177](https://github.com/sveltejs/svelte/issues/7177))
* Preserve leading space with `preserveWhitespace: true` ([#4731](https://github.com/sveltejs/svelte/issues/4731))
* Preserve leading space in `<pre>` tags ([#6437](https://github.com/sveltejs/svelte/issues/6437))
* Improve error message when trying to use `style:` directives on inline components ([#7177](https://github.com/sveltejs/svelte/issues/7177))
* Add `FormData` as a known global ([#7199](https://github.com/sveltejs/svelte/pull/7199))
* Mark `css`/`instance`/`module` Ast properties as optional ([#7204](https://github.com/sveltejs/svelte/pull/7204))
* Mark `css`/`instance`/`module` AST properties as optional in types ([#7204](https://github.com/sveltejs/svelte/pull/7204))