---
category: builds-migration
menu-title: Migration to v27.1.0
order: 10
---

# Migration to CKEditor 5 v27.1.0

For the entire list of changes introduced in version 27.1.0, see the [changelog for CKEditor 5 v27.1.0](https://github.com/ckeditor/ckeditor5/blob/master/CHANGELOG.md#TODO).

Listed below are the most important changes that require your attention when upgrading to CKEditor 5 v27.1.0.

## Disallowing nesting block quotes

Prior to version 27.1.0 inserting a block quote into another block quote was not allowed.

If you wish to bring back this restriction, see the {@link features/block-quote#disallow-nesting-block-quotes Disallow nesting block quotes} section in the block quote feature guide.