This is the latest message from NetSuite Support for Defect 533355: We are tracking U1 Defect 533355 for the issue with Email Message Text Editor, our Product Team is working on a fix to be released to all accounts. This is an update for Defect 533207: Our management and engineering teams have been contacted to investigate and work on a resolution – we will keep you posted on the progress of the investigation. We will not stop working on this until it’s resolved.