Dear Maintainer,

I upgraded my bullseye to bookworm yesterday. The workstation uses a NVidai
GT-730 using nvidia-tesla-470-driver. There are four (4) displays. All displays
are working. gnome has no problems, but MATE has at least 4 issues I am seeing
upon the install following all upgrades and dist-upgrades.

(1) the monitors were out of order comared to how they were under MATE /
bullseye.
Using system/preferences/hardware/displays did not allow me to move the
displays in the proper order. (I had to shut the workstation down and move the
HDMI cables to resolve the issue.
(2) I set the #1 (left) display as primary. MATE did not allow that and set it
to display #2.
(3) I used the right arrow on the panel to move the panel to #1. The panel
would not go edge to edge. Instead it heft some space on the left and partially
showed a but over onto #2.
(4) I tried the left arrow to move the panel from #1 to #4 (on the far right.
Instead the panel reappeared on #2, Using the right arrow on #2 to #3 and it
did go to #2 but not edge to edge. The very left edge was displaying on #2.
Nothing could push the panel to #4.

I logged off and logged in with gnome. I did have to reorder the monitors.
gnome gave me no problems.There were no problems with the menu.

I logged off with gnome and back to MATE.
(5) the panel was on #2 but not edge to edge. I was able to set #1 as the
primary. This time #1 was edge to edge. But the panel can not be move to #3 or
#4.

I expect the panel to move to each display, edge to edge. #1 <--> #2 <--> #3
<--> #4 <--> #1

I expect to be able to reorder the monitors via the software.

While I am not sure that this matters but,
6.1.0-10-amd64
 cat /etc/debian_version
12.1

Intel Xeon CPU E5-2680

# free
               total        used        free      shared  buff/cache
available
Mem:        65676360     6195560    44489112      168480    15884544
59480800