Default installations have a root subvolume mounted at /. If I snapshot this subvolume a few times, the resulting Custom partitioning UI shows multiple instances of the same Fedora release. The names of the snapshots aren't available at all, even when the reveal turndown is clicked on. (It's not actually a bug. It's showing the subvol names based on fstab. Each snapshot has the same fstab.)
root
/
<img alt="Screenshot_from_2020-08-29_13-36-27.png" src="/fedora-btrfs/project/issue/raw/files/5ce58260eb2c834fc0c549dc702918eb94f7e380a2377064a51b41c533816097-Screenshot_from_2020-08-29_13-36-27.png" />
<img alt="Screenshot_from_2020-08-29_13-38-18.png" src="/fedora-btrfs/project/issue/raw/files/adce4596e9cec4aae4b46df8bdc71930a46f0ed37ed015aaefeff0f540c3b94b-Screenshot_from_2020-08-29_13-38-18.png" />
Metadata Update from @chrismurphy: - Issue set to the milestone: Future Release
Example system with 500+ snapshots. https://bugzilla.redhat.com/show_bug.cgi?id=1876162
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