The fix for this issue is now available in the beta builds of InDesign. You can download the latest beta build from Download section of InDesign Prerelease portal.
1. Go to adobeprerelease.com
2. Log in with your Adobe Id.
3. Once logged in, search for “InDesign CC Prerelease” program in the list.
4. Click on the program to join the same.
5. You can now download the build (188.8.131.522) from “Builds and Plugins” section on the page.
6. The steps for installing the build can be found in the release notesAlexandra Bourdelon commented
Yes I am having the same problem if I highlight text or click in text box all of a sudden text disappears although still there as can highlight and if change colour and change back to black in reappears but then happens 5 minutes later again. anyone know how to fix?