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

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: