Download links: linux513.iso > linux515.iso
The download links still have linux513, they should be linux515. Example for Xfce:
https://download.manjaro.org/xfce/21.2pre1/manjaro-xfce-21.2pre1-211119-linux513.iso
Should be:
https://download.manjaro.org/xfce/21.2pre1/manjaro-xfce-21.2pre1-211119-linux515.iso