sausage88's port runs the Source engine and Valve's Linux game code on a jailbroken PS4, at 60 fps through most of Half-Life 2. You need the games on Steam and a PC or Mac to install them.
Orange Box SP
The new release of the 3DS custom firmware saves several settings without touching config.ini, adds audio balance and per-channel gamma, and loads some IPS patches in under 50 ms where they used to take minutes.
Luma3DS 13.5
TriAevum, the native recompilation of Zelda: Ocarina of Time 3D that started on PC, now has a port for Switch on custom firmware. Version 0.1.0 runs on a Switch Lite, though busy areas slow down at stock clocks.
TriAevum 0.1.0
TheRealRetro has ported mupen64plus-core 2.6.0 to the PS5 as a home menu app, with a dynamic recompiler, DualSense rumble and save states. Version 0.7.5 adds cheat search.
Mupen64Plus 0.7.5
The exploit, credited in press reports to Gezine, uses the physical Switch edition of Civilization VII to run code on Switch 2. It covers homebrew, mods and save copying, and 2K is reportedly pulling the cartridge.
CivSwitch
The WebKit chain that covered 13.02 to 13.52 now reaches 14.00 through a GoldHEN beta released on November 3. Sony shipped 14.02 a day later with security fixes and no public method exists for it, so stay on 14.00 or lower.
GoldHEN 14.00
Version 26.07-14.22.00 arrives less than two weeks after 14.20 with no visible changes. No 14.x firmware has a public exploit, so anyone on 13.60 or lower who wants homebrew should not update.
FW 14.22