Actually here's a diff of the server-live manifests too:

laney@ancientminister:/srv/cdimage.ubuntu.com/www/full/ubuntu-server/focal/daily-live$ diff -u 20210126{,.1}/focal-live-server-amd64.manifest
--- 20210126/focal-live-server-amd64.manifest	2021-01-26 10:20:25.000000000 +0000
+++ 20210126.1/focal-live-server-amd64.manifest	2021-01-26 16:13:10.000000000 +0000
@@ -2,7 +2,6 @@
 adduser	3.118ubuntu2
 alsa-topology-conf	1.2.2-1
 alsa-ucm-conf	1.2.2-1ubuntu0.5
-alsa-utils	1.2.2-1ubuntu2
 apparmor	2.13.3-7ubuntu5.1
 apport	2.20.11-0ubuntu27.14
 apport-symptoms	0.23
@@ -51,7 +50,7 @@
 debconf-i18n	1.5.73
 debianutils	4.9.1
 diffutils	1:3.7-3
-dirmngr	2.2.19-3ubuntu2
+dirmngr	2.2.19-3ubuntu2.1
 distro-info-data	0.43ubuntu1.4
 dmeventd	2:1.02.167-1ubuntu1
 dmidecode	3.2-3
@@ -84,16 +83,16 @@
 glib-networking:amd64	2.64.2-1ubuntu0.1
 glib-networking-common	2.64.2-1ubuntu0.1
 glib-networking-services	2.64.2-1ubuntu0.1
-gnupg	2.2.19-3ubuntu2
-gnupg-l10n	2.2.19-3ubuntu2
-gnupg-utils	2.2.19-3ubuntu2
-gpg	2.2.19-3ubuntu2
-gpg-agent	2.2.19-3ubuntu2
-gpg-wks-client	2.2.19-3ubuntu2
-gpg-wks-server	2.2.19-3ubuntu2
-gpgconf	2.2.19-3ubuntu2
-gpgsm	2.2.19-3ubuntu2
-gpgv	2.2.19-3ubuntu2
+gnupg	2.2.19-3ubuntu2.1
+gnupg-l10n	2.2.19-3ubuntu2.1
+gnupg-utils	2.2.19-3ubuntu2.1
+gpg	2.2.19-3ubuntu2.1
+gpg-agent	2.2.19-3ubuntu2.1
+gpg-wks-client	2.2.19-3ubuntu2.1
+gpg-wks-server	2.2.19-3ubuntu2.1
+gpgconf	2.2.19-3ubuntu2.1
+gpgsm	2.2.19-3ubuntu2.1
+gpgv	2.2.19-3ubuntu2.1
 grep	3.4-1
 groff-base	1.22.4-4build1
 gsettings-desktop-schemas	3.36.0-1ubuntu1
@@ -138,7 +137,6 @@
 libasound2-data	1.2.2-2.1ubuntu2.3
 libassuan0:amd64	2.5.3-7ubuntu2
 libatm1:amd64	1:2.5.1-4
-libatopology2:amd64	1.2.2-2.1ubuntu2.3
 libattr1:amd64	1:2.4.48-5
 libaudit-common	1:2.8.5-2ubuntu6
 libaudit1:amd64	1:2.8.5-2ubuntu6
@@ -146,8 +144,8 @@
 libbrotli1:amd64	1.0.7-6ubuntu0.1
 libbsd0:amd64	0.10.0-1
 libbz2-1.0:amd64	1.0.8-2
-libc-bin	2.31-0ubuntu9.1
-libc6:amd64	2.31-0ubuntu9.1
+libc-bin	2.31-0ubuntu9.2
+libc6:amd64	2.31-0ubuntu9.2
 libcanberra0:amd64	0.30-7ubuntu1
 libcap-ng0:amd64	0.7.9-2.1build1
 libcap2:amd64	1:2.32-1
@@ -180,7 +178,6 @@
 libfastjson4:amd64	0.99.8-2
 libfdisk1:amd64	2.34-0.1ubuntu9.1
 libffi7:amd64	3.3-4
-libfftw3-single3:amd64	3.3.8-2ubuntu1
 libfido2-1:amd64	1.3.1-1ubuntu2
 libfl2:amd64	2.6.4-6.2
 libfribidi0:amd64	1.0.8-2
@@ -193,12 +190,11 @@
 libgdbm-compat4:amd64	1.18.1-5
 libgdbm6:amd64	1.18.1-5
 libgirepository-1.0-1:amd64	1.64.1-1~ubuntu20.04.1
-libglib2.0-0:amd64	2.64.3-1~ubuntu20.04.1
-libglib2.0-bin	2.64.3-1~ubuntu20.04.1
-libglib2.0-data	2.64.3-1~ubuntu20.04.1
+libglib2.0-0:amd64	2.64.6-1~ubuntu20.04.1
+libglib2.0-bin	2.64.6-1~ubuntu20.04.1
+libglib2.0-data	2.64.6-1~ubuntu20.04.1
 libgmp10:amd64	2:6.2.0+dfsg-4
 libgnutls30:amd64	3.6.13-2ubuntu1.3
-libgomp1:amd64	10.2.0-5ubuntu1~20.04
 libgpg-error0:amd64	1.37-1
 libgpgme11:amd64	1.13.1-7ubuntu2
 libgpm2:amd64	1.20.7-5
@@ -291,7 +287,6 @@
 libreadline8:amd64	8.0-4
 libroken18-heimdal:amd64	7.7.0+dfsg-1ubuntu1
 librtmp1:amd64	2.4+20151223.gitfa8646d.1-2build1
-libsamplerate0:amd64	0.1.9-2
 libsasl2-2:amd64	2.1.27+dfsg-2
 libsasl2-modules:amd64	2.1.27+dfsg-2
 libsasl2-modules-db:amd64	2.1.27+dfsg-2
@@ -349,13 +344,13 @@
 libyaml-0-2:amd64	0.2.2-1
 libzstd1:amd64	1.4.4+dfsg-3
 linux-base	4.5ubuntu3.1
-locales	2.31-0ubuntu9.1
+locales	2.31-0ubuntu9.2
 login	1:4.8.1-1ubuntu5.20.04
 logrotate	3.14.0-4ubuntu3
 logsave	1.45.5-2ubuntu1
 lsb-base	11.1.0ubuntu2
 lsb-release	11.1.0ubuntu2
-lshw	02.18.85-0.3ubuntu2
+lshw	02.18.85-0.3ubuntu2.20.04.1
 lsof	4.93.2+dfsg-1ubuntu0.20.04.1
 ltrace	0.7.3-6.1ubuntu1
 lvm2	2.03.07-1ubuntu1
@@ -404,10 +399,10 @@
 procps	2:3.3.16-1ubuntu2
 psmisc	23.3-1
 publicsuffix	20200303.0012-1
-python-apt-common	2.0.0ubuntu0.20.04.3
+python-apt-common	2.0.0ubuntu0.20.04.4
 python3	3.8.2-0ubuntu2
 python3-apport	2.20.11-0ubuntu27.14
-python3-apt	2.0.0ubuntu0.20.04.3
+python3-apt	2.0.0ubuntu0.20.04.4
 python3-attr	19.3.0-2
 python3-automat	0.8.0-1ubuntu1
 python3-blinker	1.4+dfsg1-0.3ubuntu1
@@ -477,7 +472,6 @@
 python3-update-manager	1:20.04.10.3
 python3-urllib3	1.25.8-2ubuntu0.1
 python3-wadllib	1.3.3-3build1
-python3-xkit	0.5.0ubuntu4
 python3-yaml	5.3.1-1
 python3-zipp	1.0.0-1
 python3-zope.interface	4.7.1-1
@@ -489,7 +483,7 @@
 run-one	1.17-0ubuntu1
 sbsigntool	0.9.2-2ubuntu1
 screen	4.8.0-1
-secureboot-db	1.5
+secureboot-db	1.6~20.04.1
 sed	4.7-1
 sensible-utils	0.0.12+nmu1
 sg3-utils	1.44-1ubuntu2
@@ -515,7 +509,6 @@
 tpm-udev	0.4
 tzdata	2020f-0ubuntu0.20.04.1
 ubuntu-advantage-tools	20.3
-ubuntu-drivers-common	1:0.8.6.3~0.20.04.2
 ubuntu-keyring	2020.02.11.2
 ubuntu-minimal	1.450.2
 ubuntu-release-upgrader-core	1:20.04.30
@@ -526,7 +519,7 @@
 ufw	0.36-6
 unattended-upgrades	2.3ubuntu0.1
 update-manager-core	1:20.04.10.3
-update-notifier-common	3.192.30.4
+update-notifier-common	3.192.30.5
 usb.ids	2020.03.19-1
 usbutils	1:012-2
 util-linux	2.34-0.1ubuntu9.1

Apart from SRUs being picked up, you can see ubuntu-drivers-common and alsa-utils + deps falling off.