Removing keyboard extension on iPad Pro

For some reason, there is a permanent keyboard extension for markdown above the system keyboard bar.

Before, I could get rid of this with a tap. Now nothing seems to work.

Has something changed? Am I just being an idiot? How do you get rid of this?

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This the Action Bar. It gives quick access to your choice of actions from your installed action groups.

If you do not wish to use it, there are options to control when it is visible along with other editor settings in the Aa screen.

I’ve always had it selected to hide this when using an external keyboard.

Now, for some reason, over the last week or so it has been appearing even with this setting enabled.

The only way to get rid of it currently is to permanently disable it.