1. Open terminal and type the following

sudo apt install qgnomeplatform-qt5

2. Edit /etc/environment and paste the following:

sudo vim /etc/environment

# fix for broken QT themes
QT_QPA_PLATFORM=xcb

3. Log out of the session or restart the machine.

sudo reboot

Recommended Guides:

Debian Post Install

Debian Apps

Debian Firewall

Debian Better Fonts

My recommended extensions for GNOME 48+:

• App Indicator
• Blur My Shell
• Caffeine
• Dash to Dock
• GNOME 4x UI Improvements
• Impatience
• GSConnect
• Just Perfection
• Notification Timeout
• QS Tweak Quick Setting Tweaker
• Tiling Assistant
• Unblank Lock Screen

First install the adw-gtk3 package.

Then open your terminal and make the following changes to the environment file.

sudo nano /etc/environment

QT_QPA_PLATFORM=xcb

QT_STYLE_OVERRIDE=adw-gtk3-theme

Optional

GSK_RENDERER=ngl

FREETYPE_PROPERTIES=“cff:no-stem-darkening=0 autofitter:no-stem-darkening=0”

Just a couple of adjustments that I usually make whenever I use GNOME as my default DE

Changing the timeout of the “App is not responding” popup.

The default time is set to 5 seconds. In order to change it to a higher value or to remove it, follow these steps.

1. Open the terminal and paste these values:

To 60 seconds:

gsettings set org.gnome.mutter check-alive-timeout 60000

To completely disable it: