RetroArch All‑in‑One update
A widely shared build called All‑in‑One 2.0 bundles RetroArch improvements and highlights PPSSPP support on Switch, making it easier to run PSP titles on portable hardware. (x.com) If you tinker with emulation, that package can reduce setup time by packaging cores and settings together. (x.com)
A lot of emulation setup is not hard because the software is broken. It is hard because you have to collect the frontend, the right emulator core, the right assets folder, and the right menu settings before a game even boots. (retroarch.com) RetroArch is the part that ties those pieces together. It is a front end, which means one app can load many different emulators through plug-in style modules called cores. (retroarch.com) On Nintendo Switch, the official RetroArch docs still tell users to copy a full bundle to the root of the microSD card, because that package includes RetroArch, cores, and assets in one shot. That “extract and overwrite” approach is basically the same promise people are reacting to in this All-in-One build: less scavenger hunting. (docs.libretro.com) The PlayStation Portable emulator in this story is PPSSPP, a project that has been around since November 2012 and is maintained as a separate open-source codebase by Henrik Rydgård and contributors. PPSSPP does not need a PlayStation Portable system BIOS file, which removes one of the usual setup hurdles people hit with older emulators. (github.com) Inside RetroArch, PPSSPP is not a separate app on your home screen. It shows up as a core, so the same RetroArch menus for loading content, saves, and controller mapping also apply to PlayStation Portable games. (retroarch.com) That sounds simple until you hit the extra files. The official Libretro docs say the PPSSPP core can use a downloaded `PPSSPP.zip` system-files package, or a manually copied `assets` folder placed in `system/PPSSPP`, before everything behaves the way users expect. (docs.libretro.com) The same docs list the file types the core can open, including `.iso`, `.cso`, `.pbp`, and `.chd`, and they show separate folders for saved games, downloadable content, cache files, and texture packs. That is why a prepacked build saves time: it is doing filing-cabinet work that many users usually do by hand. (docs.libretro.com) Switch users have an extra layer before any of this starts. Libretro’s installation guide says RetroArch on Switch requires Atmosphère custom firmware and recommends launching through title takeover, where you hold the R button while starting a game to open the homebrew loader instead. (docs.libretro.com) So the appeal of an All-in-One package is not that it invents a new emulator. It compresses a long checklist into one install, especially for people who want portable PlayStation Portable play on Switch without spending an hour sorting folders and updater menus. (docs.libretro.com) There is still a catch. RetroArch and PPSSPP are both moving targets, with RetroArch’s repository showing active commits in April 2026 and PPSSPP’s repository showing fresh changes just days ago, so convenience bundles can fall behind official builds or inherit bugs that upstream projects fix later. (github.com 1) (github.com 2)