yes, basically all images have been recreated with Debian Buster. If you encounter some issues with the new image during first/base setup, feel free to report them on the following GitHub post.
https://github.com/MichaIng/DietPi/issues/2979
First Install Problem using Nanpi Neo2 image Topic is solved
Re: First Install Problem using Nanpi Neo2 image
Pls let us know if a solution is working. This could help others if they hit by similar situation. Your DietPi Team