On MacOS you can unlock the new icons using the terminal command.
![](https://i0.wp.com/www.johnsypin.com/wp-content/uploads/2024/03/SCR-20240304-olxd.png?resize=960%2C729&ssl=1)
defaults write company.thebrowser.Browser currentAppIconName -string schoolbook
defaults write company.thebrowser.Browser currentAppIconName -string colorful
defaults write company.thebrowser.Browser currentAppIconName -string neon
defaults write company.thebrowser.Browser currentAppIconName -string flutedGlass
defaults write company.thebrowser.Browser currentAppIconName -string hologram