Install is smooth experience. Followed the instructions and got the following:
slowroll:~ # zypper repos -uEP
# | Alias | Name | Enabled | GPG Check | Refresh | Priority | URI
--+--------------+--------------+---------+-----------+---------+----------+-----------------------------------------------------------------------------
6 | packman | packman | Yes | (r ) Yes | Yes | 70 | http://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Slowroll/Essentials/
7 | update | update | Yes | (r ) Yes | Yes | 80 | http://cdn.opensuse.org/update/slowroll/repo/oss/
1 | base-non-oss | base-non-oss | Yes | (r ) Yes | Yes | 99 | http://cdn.opensuse.org/slowroll/repo/non-oss/
2 | base-oss | base-oss | Yes | (r ) Yes | Yes | 99 | http://cdn.opensuse.org/slowroll/repo/oss/
5 | h264 | h264 | Yes | (r ) Yes | Yes | 99 | http://codecs.opensuse.org/openh264/openSUSE_Tumbleweed/
slowroll:~ #
slowroll:~ # snapper list
# | Type | Pre # | Date | User | Used Space | Cleanup | Description | Userdata
---+--------+-------+--------------------------+------+------------+---------+-----------------------+--------------
0 | single | | | root | | | current |
1 | single | | Tue Jan 16 08:36:38 2024 | root | 116.00 KiB | number | first root filesystem |
2 | single | | Tue Jan 16 08:44:31 2024 | root | 22.49 MiB | number | after installation | important=yes
3 | pre | | Tue Jan 16 08:56:23 2024 | root | 23.43 MiB | number | zypp(packagekitd) | important=yes
4 | post | 3 | Tue Jan 16 09:03:06 2024 | root | 64.87 MiB | number | | important=yes
5 | single | | Tue Jan 16 12:24:18 2024 | root | 116.00 KiB | number | rollback backup of #1 | important=yes
6* | single | | Tue Jan 16 12:24:19 2024 | root | 105.77 MiB | | writable copy of #2 |
7 | pre | | Tue Jan 16 12:33:24 2024 | root | 16.08 MiB | number | zypp(zypper) | important=yes
8 | post | 7 | Tue Jan 16 12:37:29 2024 | root | 42.30 MiB | number | | important=yes
slowroll:~ #