The "2021 download" often refers to modern repackages or "All-in-One" bootable ISOs created by the community. Because modern users often struggle to install homebrew on unmodded consoles, creators often package uLaunchELF v4.12 into a bootable DVD image
: A pre-patched ISO that utilizes the DVD player exploit to boot directly into uLaunchELF when the disc is inserted into a compatible slim or fat PS2. ulaunchelf v412 dvd 2021 download