Moving to ROCK - can't restore an 1154 backup to an 1148 ROCK

[Suedkiez (Just a fellow user like you)]

@gTunes

Looks like the latest ROCK download is 254 which means it hasn’t been updated since Nov 9 and will have core 1148.

The OS build, 254, and the Roon (Server) build 1148 are independent. The OS updates only very rarely, the 254 one was to enable UEFI booting:

RoonOS (Nucleus / ROCK) build 254 production is live!

Hi Everyone, It’s been a while since we’ve issued an update for RoonOS and we have a major change along with some minor fixes which do need to be released. The largest change in this build is support for booting via UEFI which is especially important as Intel phases out NUCs with legacy boot options. Taking this release as an update will not change your device to UEFI boot or require any other intervention. This change will only apply to new installations. There is no practical (or audible) r…

And this was the earlyaccess 1155 announcement (I hope you can see the link) - clearly this went out to my ROCK, and it is equivalent to production 1154, so I don’t know why your ROCK wouldn’t receive 1154:

Roon 2.0 Build 1155 is Live!

Hello Everyone, We discovered an issue in our last release which prevented some Linn products from communicating with Roon cores running on QNAP devices. Today’s release addresses this issue and should return those impacted to normal functionality. As this fix only applies to QNAP devices we are releasing it as an update only to Roon cores running on Linux-based operating systems (including RoonOS). Updates will not be released for cores running on macOS or Windows; Roon Remotes; or Roon apps. …