In the snapshot 22w33a, you can make bundels disappear when presing the two mouse bnuttons quickly on it in your inventory while there's something inside it.
This was tested in a singeplayer world, in creative. The bug does not show up in survival.

Steps to reproduce:
1. create a new world on the version 22w33a with the experimental feature: "Bundels" on, and in creative mode
2. take a bundle and any other item, put the item in the bundle
3. quickly press both the right and left button of the mouse

*Exprected Result:
*The item that is not the bundle should get in and out quickly

Observed Result:
The bundle or the other item or both of them will disappear after a few clicks