The source code is hosted on GitHub: https://github.com/MichaIng/DietPi The main website can be found at: https://dietpi.com/ Wikipedia: https://de.wikipedia.org/wiki/DietPi
The project released the new version DietPi v8.21 on August 26th, 2023.
The highlights of this version are:
Orange Pi 5 Plus: New hardware support
Orange Pi 5, ROCK 5B, RK33xx SBCs: Improved hardware support, Kernel updates
DietPi HotSpot: Stability rework, support of WiFi6, WiFi5, also via dietpi.txt
Fixes and updates for DietPi-LetsEncrypt, TasmoAdmin, DietPi-Config
The full release notes can be found at: https://dietpi.com/docs/releases/v8_21/