Here’s a short written piece about "Apple Time Capsule custom firmware":
Your Time Capsule continues running its original, stable Apple software.
Users who want a router-focused upgrade without deep Linux knowledge. DD-WRT has been around since the Linksys WRT54G era. It runs on the A1470 via community builds.
is currently the most viable software-based solution. It doesn't replace Apple’s firmware but instead layers a modern
It requires manual deployment via GitHub, utilizing tools like git clone and tcapsule deploy jamesyc/TimeCapsuleSMB GitHub. 3. Alternative: Hacking the Hardware (Raspberry Pi Capsule)