When I saw the gvfs-backends and the samba-related packages being removed, I let them go because I don't use samba. Today, I see that all of that is now installable again:
don@dibl-HP350:~$ sudo apt -s install gvfs-backends
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
gnome-keyring gnome-keyring-pkcs11 libgdata-common libgdata22 libgoa-1.0-0b
libgoa-1.0-common libldb2 libpam-gnome-keyring libsmbclient libwbclient0 p11-kit
p11-kit-modules python3-ldb python3-talloc samba-libs
Suggested packages:
samba-common
The following NEW packages will be installed:
gnome-keyring gnome-keyring-pkcs11 gvfs-backends libgdata-common libgdata22
libgoa-1.0-0b libgoa-1.0-common libldb2 libpam-gnome-keyring libsmbclient p11-kit
p11-kit-modules python3-ldb python3-talloc samba-libs
The following packages will be upgraded:
libwbclient0
1 upgraded, 15 newly installed, 0 to remove and 11 not upgraded.
Here, there were no LibreOffice removals, and LibreOffice is working as expected.