Check this sample:
http://jsfiddle.net/cv5zc8ha/
When editing a child cell, click "enter", the user is stuck in this child cell.
Hello Salim Fayad,
Thank you for posting in our forums!
I am able to reproduce this behavior and will need some more time to research why this is happening.
I will have another update on my findings on this for you by Monday.
I have created a support case for you with an ID of CAS-156410-B3M8C3. This has been determined to be a development issue and has been logged in our tracking system with ID: 200593.
I will leave this case open and update you with any new information. You can view the status of the development issue connected to this case by going to the “Account” tab on our website, selecting "My Support Activity" and then this support case will be listed there. Then, you may select the "Development Issues" tab to view details of this development issue.
Please let me know if you have any questions.