note breaking change

Author: dummdidumm

sites/svelte-5-preview/src/routes/docs/content/03-appendix/02-breaking-changes.md

@@ -129,6 +129,10 @@ Exports from runes mode components cannot be bound to directly. For example, hav
 
 In Svelte 4 syntax, every property (declared via `export let`) is bindable, meaning you can `bind:` to it. In runes mode, properties are not bindable by default: you need to denote bindable props with the [`$bindable`](/docs/runes#$bindable) rune.
 
+### `accessors` option is ignored
+
+Setting the `accessors` option to `true` makes properties of a component directly accessible on the component instance. In runes mode, properties are never accessible on the component instance. You can use component exports instead if you need to expose them.
+
 ## Other breaking changes
 
 ### Stricter `@const` assignment validation