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OpenSuse Tumbleweed has btrfs+snapper and the installer sets it up automatically. I guess they could (technically) boot other operating systems but their focus is to boot into read only snapshots of the same OS.

The same setup is possible on all Linux distros but the user has to set it up.

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Can BTRFS snapshots on OpenSUSE Tumbleweed (btrfs+snapper) provide same functionality as ZFS Boot Environments?

Nope.

Cite from System Recovery and Snapshot Management with Snapper for OpenSUSE Linux.

● Limitations

A complete system rollback, restoring the complete system to the identical state as it was in when a snapshot was taken, is not possible.

With ZFS Boot Environments you are bulletproof.

With btrfs+snapper you are crossing fingers if it will work the way you need.

Not the same thing.

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