Is it a new feature when upgrading firmware?

I was updating the firmware of a Tradfri shortcut button and I saw that:
Immagine 2021-11-01 152155
Is the green bar wanted ?

@de_employees

Yes. While updating the nodes appears green to find the device better in a big network.

Maybe I will stick to this post.
What red stroke mean? I have it mostly on all routers device.

https://forum.phoscon.de/t/what-does-the-red-line-under-a-node-in-deconz-mean/691/3