Post Editor Visual tab problem NOT resolved by 2.6.4

Sorry to say this guys, but I am running 2.6.4 and the problem remains.
If I dissable your plugin, the post and page edit/add is fine and dandy. Enable it again and…Oh dear.

This is an ongoing issue not resolved by 2.6.4

https://ww.wp.xz.cn/plugins/wysija-newsletters/