What does this little comic bubble mean?

It´s new, I´ve never seen it before. It´s here since pb5.

What´is ist?
Bild 1.png

From the Release Notes:

• NEW: Attribute icon shows that an item has a comment.

ah, okay. Nice.


Yep, plus this much appreciated related change:

• Improved: All attribute icons for external and/or locked items or items with an attached script are now displayed.