Graphics issues in Mint 20

Hi, I just installed Joplin in Mint 20. It looks great and I am looking forward to using it, however i am experiencing some weird graphics issues when running it.

Mostly it is just cosmetic stuff that is annoying but not the end of the world - such as glitchy highligting when mousing over a note, or the typing cursor behaving weirdly when moving around - but sometimes it ends up looking like this:

Has anyone else had these issues? and do you know how to fix it? Is it just an issue with my computer? I have never had this problem with any other appilcations before..

The version I am using is:

Joplin 1.4.19 (prod, linux)

Client ID: 50d398e143fe4003b263646f1bbc4c33
Sync Version: 2
Profile Version: 34
Keychain Supported: No

Revision: de123ee (master)

thanks!

How did you install it? Did you use the recommended Installation Script?

Not sure how it's possible, but maybe a video driver issue, or some regression in Electron 11. Seems related to this bug: https://github.com/laurent22/joplin/issues/4174

yes, i did use the script, and it seemed to work fine

FWIW I run Linux Mint 20 (Cinnamon) and have not seen anything like this.

Joplin 1.4.19 (prod, linux)
Sync Version: 2
Profile Version: 34
Keychain Supported: No
Revision: de123ee (master)

I have an alias configured for updating...
alias updatejoplin='wget -O - https://raw.githubusercontent.com/laurent22/joplin/master/Joplin_install_and_update.sh | bash'

Maybe share the output of inxi -G? Here's mine

Graphics:  Device-1: NVIDIA GM206 [GeForce GTX 960] driver: nvidia v: 450.80.02 
           Display: x11 server: X.Org 1.20.8 driver: nvidia 
           unloaded: fbdev,modesetting,nouveau,vesa 
           resolution: 1920x1080~60Hz, 1920x1080~60Hz 
           OpenGL: renderer: GeForce GTX 960/PCIe/SSE2 v: 4.6.0 NVIDIA 450.80.02 

Hi, thanks for the reply, here is my inxi -G

inxi -G
Graphics:
Device-1: AMD Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT]
driver: amdgpu v: kernel
Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati
unloaded: fbdev,modesetting,radeon,vesa
resolution: 1920x1080~60Hz, 1920x1080~60Hz
OpenGL: renderer: AMD Radeon RX 5600 XT (NAVI10 DRM 3.35.0
5.4.0-54-lowlatency LLVM 10.0.0)
v: 4.6 Mesa 20.0.8