Zoho Product: Sheet
OS: Ubuntu 10.04
Browser: Chromium (8.0.552.237 (70801) Ubuntu 10.04)
To input Chinese and other languages, iBus is needed on Ubuntu.
How to reproduce: On the above system setting, enter some text to cells of Sheet.
Use arrow keys to move around the cells with text, the text will disappear.
PS: No problem on Firefox, no problem on Chrome of Windows. It is possible the fix should be done on Chromium, not Sheet.