Account creation request for bug report

Hi,
I would like to report a bug.
I hope I'm doing it the right way because this is actually my first time
reporting a bug.
I would like to be able to register to your bug tracking platform to report
the following bug:

Here are some details about my system:
Name: Lenovo IdeaPad Slim 3 14AHP10
RAM: 16,0 GiB
CPU + GPU: AMD Ryzen™ 7 8840HS w/ Radeon™ 780M Graphics × 16
OS: Arch Linux
I'm using Gnome 50 with Wayland

I've copied some information from LyX:

Versione 2.5.0
(martedì 27 gennaio 2026)

Compilazione da git commit hash 2a6aa099
Versione Qt in esecuzione: 6.11.0 (wayland)
Versione Qt in compilazione: 6.11.0
Versione S.O. in esecuzione: Arch Linux
Python rilevato: 3.14.4 (/usr/bin/python3)
Strategia di rendering: tracciamento parziale su memoria esterna

(my system language is set to italian, please let me know if you would like
me to set up LyX in english so that I can copy and paste this information
again, in a more understandable way)

Whenever I use LyX it sometimes lags heavily (typing appears with seconds
of delay) and button corners start to appear and disappear and flicker in
different colors.
Also, this happens randomly but I've noticed it especially when I change
workspaces and LyX is in fullscreen and also when I split the screen and
have LyX on one side of the screen and another app on the other side
(tiling).

I've noticed that if I invoke LyX via terminal with this command:

QT_QPA_PLATFORM=xcb lyx

all of these issues seem to solve themselves.
When I launch LyX with the above command, some of the information in the
"About LyX" page changes. I'll attach the new information below:

Versione 2.5.0
(martedì 27 gennaio 2026)

Compilazione da git commit hash 2a6aa099
Versione Qt in esecuzione: 6.11.0 (xcb)
Versione Qt in compilazione: 6.11.0
Versione S.O. in esecuzione: Arch Linux
Python rilevato: 3.14.4 (/usr/bin/python3)
Strategia di rendering: tracciamento parziale

I've also attached a screenshot of the issue. You can't see the bars
flicker because it's an image but I can assure you that it's pretty
annoying, especially when I'm taking notes in maths classes.
Btw, I don't know why my browser renders the bars around the buttons white
in the screenshot but they should be black. So I have also attached a
second screenshot which is essentially the screenshot of the original so
that the colors are preserved.
I hope this can be helpful. Please feel free to reach out if you would like
to have more info.

Have a nice day!
Valentino

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