Issue Summary

Text is duplicated unexpectedly when multiple users edit the same line on the same page and with Japanese IME.

Steps to Reproduce

1. Edit the same line on the same page with Japanese IME by multiple users

Expected Results

Only the text typed by user is inserted.

Actual Results

Duplicate text is inserted.

Here’s a video captured the problem.
https://youtu.be/AxZtvNqMN4o

This problem occurs both of new editor and old editor.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available