Regarding read-only documents, nothing else changed in the last build. Make sure that the document file extension is included at
Tools | Options | Documents | File extensions to open stored documents writeable. For linked documents, make sure that
Tools | Options | Documents | Allow internal editing of linked documents is checked. Otherwise, please send the info from
http://www.kinook.com/Forum/showthread.php?t=3038
In the latest build (5.1.0.12), we've added the ability to enable and disable the spell checker within UR (
Tools | Quick Options | Enable Spell Checker).