Do you want to request a feature or report a bug?
Bug
What is the current behavior?
when typing japanese inside Media Example, if i input a video, they will be render again when instert a new line.
This bug is also happen when inserting a new Twitter or Instagram embed block. If a block contain an ajax request. You will see them re-render when typing japanese + press enter insert new block line.

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem. You can use this jsfiddle to get started: https://codepen.io/Kiwka/pen/rjpRzj/.
The example on codepen will not work properly. Please kindly check on another device with sample behavior above
What is the expected behavior?
It should not re-render content media block when typing japanese or chinese
Which versions of Draft.js, and which browser / OS are affected by this issue? Did this work in previous versions of Draft.js?
0.10.1
Same issue when typing Chinese.
Same issue when typing Chinese. +1
is anyone can finger out how it could be solved?
@ghostrick could you merge your commit to the draft.js new version ?
i meet the same problem in the newest draft.js. 0.11.6
Same issue when typing Chinese. +1
Same issue when typing Chinese.+2
Most helpful comment
Same issue when typing Chinese.