It is a good idea to use Startup in Safe Mode after installing an update.
Startup in Safe mode. https://support.apple.com/en-gb/HT201262 Choose the appropriate method.
To leave Safe Mode, choose “Restart” at the bottom.
Quote:
Safe mode prevents your Mac from loading certain software when it starts up, including login items,
system extensions not required by macOS,
and fonts not installed by macOS. It also does a basic check of your startup disk,
similar to using First Aid in Disk Utility.
And it deletes some system caches, including font caches and the kernel cache,
which will be created again automatically as needed.
Application > Edit > Emoji & Symbols
https://support.apple.com/guide/mac-help/use-emoji-and-symbols-on-mac-mchlp1560/mac
For more info
https://support.apple.com/guide/macbook-pro/use-the-touch-bar-apdf98ce3d2b/mac
https://support.apple.com/guide/mac-help/touch-bar-mchlbfd5b039/mac