Retrom v0.8.0 Brings Cloud Save Sync to Standalone Emulators

Cloud save syncing has been one of the most requested capabilities for self-hosted emulation frontends, and developer John Beresford delivered it in full for standalone emulators with the release of Retrom v0.8.0 on March 8, 2026. The update extends cloud save and save state syncing beyond Retrom's built-in emulator cores to cover standalone emulators as well, meaning save data from RetroArch, Dolphin, or any other external emulator configured in Retrom can now sync across every connected Retrom client device.

The release notes put it plainly: "Retrom now supports syncing cloud saves and save states for standalone emulators in addition to built in emulators. This means you can now sync all of your emulator save data across all of your Retrom client devices!"

For those unfamiliar with the project, Retrom is a self-hosted gaming library and emulation frontend maintained by Beresford under the GitHub handle JMBeresford. Described by writer Gardiner Bryant as "the ambitious self-hosted gaming library and emulation front-end from developer John Beresford," it aims to let players mix emulated and native PC titles in a single interface while retaining full control over their data and configuration. The v0.8.0 changelog, tagged at commit 3a9704e, includes six discrete feature commits covering the breadth of the new sync system: cloud save support for standalone emulators, cloud save state support for standalone emulators, restore-from-backup functionality for both saves and save states, a new save data path field in the config modal, and the enabling of save file and state syncing for desktop clients.

Beresford has spoken about how much he wanted to get cloud save management right. "That in particular was a problem I had been turning around for months and months while trying to find a solution I was happy with. Finally building it out was quite fun!" he told Bryant in a recent profile.

There is one important limitation to flag: synchronizing saves between built-in emulator cores and standalone emulators is not yet supported. The release notes state that "support should be shipped soon," though no specific version or date is given. That gap matters if your setup mixes both emulator types for the same system, so keep it in mind before assuming full parity across your library.

Anyone running a self-hosted Retrom instance needs to handle this upgrade carefully. Version 0.8.0 includes a breaking change to the saves API, and the release is explicit: "As with all breaking changes, ensure that your Retrom client(s) and server are all updated to be the same version!" Running mismatched versions between the server and any desktop clients will cause API incompatibility, so update everything together. A new documentation page covering setup instructions for the cloud saves system has been published alongside the release, and Beresford is asking users to report any issues they encounter directly on the GitHub repository.

Cloud save and emulator management are identified as key pillars on the road to Retrom's version 1.0, alongside metadata handling and multi-user support. With standalone emulator sync now in place, that milestone looks meaningfully closer.