Comment 3 for bug 1322838

It has actually been fixed for a while.
At least in recent releases.

# apt-btrfs-snapshot delete-older-than 1d
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-7e2mente/@apt-snapshot-2020-09-18_13:29:22'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-sy5zjd_t/@apt-snapshot-2020-09-18_14:27:05'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-6dsfzf10/@apt-snapshot-2020-09-18_14:27:29'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-qprhlmpv/@apt-snapshot-2020-09-18_14:28:43'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-pckyk9vw/@apt-snapshot-2020-09-18_14:31:07'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-7pej0agf/@apt-snapshot-2020-09-18_14:31:15'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-6busdmsx/@apt-snapshot-2020-09-18_22:06:09'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-4ar23moh/@apt-snapshot-2020-09-21_11:11:38'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-4rd9a6o6/@apt-snapshot-2020-09-22_06:42:01'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-m5xcx94q/@apt-snapshot-2020-09-22_22:44:18'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-ku1q9ctc/@apt-snapshot-2020-09-23_05:36:05'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-dkz8pavo/@apt-snapshot-2020-09-23_05:43:45'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-h_won84w/@apt-snapshot-2020-09-23_06:36:15'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-pl4hszo_/@apt-snapshot-2020-09-23_22:24:57'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-moy4y1l9/@apt-snapshot-2020-09-24_07:08:36'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-jvfkp6ae/@apt-snapshot-2020-09-24_10:38:54'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-oidw2g05/@apt-snapshot-2020-09-24_10:41:14'
Delete subvolume (no-commit): '/tmp/apt-btrfs-snapshot-mp-qtw5duet/@apt-snapshot-2020-09-24_17:55:35'

# date
Fri Sep 25 02:38:12 PM CEST 2020

# apt-btrfs-snapshot list
Available snapshots:
@apt-snapshot-2020-09-24_23:50:56
@apt-snapshot-2020-09-25_00:29:27
@apt-snapshot-2020-09-25_14:26:05