### Selection infinite loop [#629](https://github.com/ckeditor/ckeditor5-engine/issues/629) Before testing open console. 1. Select part of text. 2. Click bold or press ctrl + b. 3. There should be no errors or warnings in console. 1. Put caret somewhere in text. 2. Press left arrow, then right arrow. 3. Repeat as fast as you can for 2-3 seconds. 4. There should be no errors or warnings in console.