Public bug reported:
Fairly fresh install of MATE 18.04 in MBP '09 . . . overall working
well, but lately noticing that the bottom panel will “flicker” when
scrolling down through some web page, or, also as a web page is loading
. . . once the page has loaded the flickering stops . . . . Seemed like
if more than one app is loaded and showing in the panel the problem is
“less” . . . . It’s not a show stopper, but, somewhat irritating . . .
visually distracting.
I saw another thread entitled “Panel flickering” in 16.04, and I read
through it, some of the posters were mentioning “window compositor” in
MATE Tweaks . . . but I couldn’t exactly figure out what they wanted the
OP to do with it . . . .
Window Manager was originally set to "Marco (adaptive compositor) . . .
which is possibly the default, I don’t think I changed it or set it to
that . . . . I have another install of U-MATE 18.04 on a desktop
computer, but the problem does not seem to affect that computer . . . I
did change the WM on that install to Marco (Compton) . . . after that
suggestion was made as a way to solve the problem on the laptop . . . .
This issue was posted on the U-MATE forum and it brought the suggestion
to try to change the WM to Marco (Compton) which helped the poster and
one other individual . . . but doing that change did not solve the issue
. . . where each key stroke makes the panel “shake” . . . or scrolling
will "split" the panel horizontally . . . . I've done a few
updates/upgrades to the system since the install--problem persists.
** Affects: mate-panel (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1815148
Title:
Bottom panel “flickers” when scrolling in FireFox?
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