This is a hot fix release which includes several fixes for minor issues in new version of CKEditor 4.10.0, and older versions of Froala Editor.
Bug Fixes
- GitHub #49: WSC 5.0.1 throws an error in CKEditor 4.10.0
- [WP-2012]: SCAYT plugin for Froala Editor: No backward compatibility for old data attributes of spelling and grammar nodes