They have just released an update to RootsMagic version 4 (18.104.22.168), which is a minor update but does fix some bugs.
If you have the RootsMagic News screen come up when you start RootsMagic, it may have already notified you of this update. If not, you can do “Help > Check for Updates” from the RootsMagic menu to download and install this update.
You can also download the update from the RootsMagic website
The RootsMagic blog has a full list of what was added and fixed.