RA Companion can remember several RetroArch instances (e.g., living room PC, bedroom Raspberry Pi). Switch between them from the app’s host menu.
| Problem | Likely Solution | |----------------------------------|---------------------------------------------------------------------------------| | | RetroArch web server not running. Re-check Step 1. | | No playlists appear | RetroArch playlists must exist first (Scan Directory or Manual Scan). | | Thumbnails missing | Download thumbnails via RetroArch’s Online Updater → Update Thumbnails. | | Lag when launching games | Normal — the API triggers a content load. Performance is host-dependent. | | Virtual gamepad doesn’t work | Ensure RetroArch input drivers are set to dinput (Windows) or udev (Linux).| | Authentication fails | Disable web server auth temporarily to test. If it works, re-enter credentials.| retroarch ui companion
On Apple hardware, the UI Companion handles the native "Cocoa" menus. RA Companion can remember several RetroArch instances (e
RetroArch is a powerhouse of emulation, but its main interface can be intimidating for some users. To bridge this gap, RetroArch includes a feature known as the , a backend system designed to support alternative ways of interacting with the software. What is the RetroArch UI Companion? Re-check Step 1