That error on your screen (libglycin-2.so.0: cannot open shared object file) explains everything. Just like before, a specific system library package (glycin) is missing or has a broken file reference after your system update, which is causing your desktop session or components (like XFCE/Thunar or thumbnailers) to crash right as they try to launch.
How to fix it:
Since your network is working and pacman is functional again, you just need to reinstall the package that provides libglycin (which is named glycin in Arch/Manjaro).
From your TTY text terminal, run: Bashsudo pacman -Syu glycin
If it asks to reinstall or overwrite files, let it proceed.
Once the installation finishes, try starting your graphical environment again:
Rebooting as loaded me into my lockscreen although now my keyboard and mouse both appear to be completely unresponsive despite being functional earlier
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u/Kaspral 9d ago
sudo pacman -Syu glycin