We really recommend Firefox as the primary browser for the best editing experience, but of course, it is compatible with latest major browsers.
If you have questions or need help, feel free to visit our GitHub page. http://github.com/MaksSlesarenko/wysiwyg
If you think you have found a bug, you can use the Tracker to report bugs to the developers. http://github.com/MaksSlesarenko/wysiwyg