Procedure Editor, and other editors Failing to allow me to use them.

The title was the best way I could somehow describe it shortly. 
This effects when I try to do anything in the procedure editor, achievement editor, etc.  (Any editor that uses the code blocks)
Here's just a list of things I've notice break at the same time:

• Code blocks will not connect, both action and data blocks.
• Deleting a block will not delete the block visibly, and just leave it there. attached to the screen. (this happens when deleting with right click, the delete key, and the trash bin in the editor)
• Procedures take way longer than normal to open.
• Any changes made are not saved even after pressing save.

Basically it makes the editor useless.
I've encountered this issue for probably over a year, I haven't been able to find any resources with solving it other than just "restart MCreator"

I recorded a short video to demonstrate this issue, incase my descriptions were not enough.

Video Link