The Bug:

The "blocked_slot" bundle texture has a miscolored pixel.

See MC-267889 - Analysis.gif

Steps to Reproduce:

1. Obtain a bundle and fill it up completely.
2. Open your inventory and hold your mouse cursor over the bundle so that its tooltip is displayed.
3. Look closely at the bottom left corner of the "blocked_slot" bundle texture.

Observed Behavior:

A miscolored pixel is present.

Expected Behavior:

No miscolored pixels would be present.