VNC screensaver & locker: missing XInput extensions

I use a vnc (tightvncserver) connection: Devuan/aarch64 and Armbian(Debian)/armfh (hosts) thru Win10/TigerVNC (client). Since the upgrade of the underlying base to Debian Bookworm, xscreensaver and any other locker fail to run for the same reason:

xscreensaver --no-splash
xscreensaver: 12:09:54: XInput extension missing

xtrlock -f
xtrlock (version 2.15): No X Input extension

I reached out the **Xscreensaver** developer, and he told me the Debian package brings with it all the necessary dependencies, and he doesn't know where the problem is. I also installed a bunch of additional packages but nothing has changed:

libx11-xcb1/stable-security,now 2:1.8.4-2+deb12u2 arm64 [installed,automatic]
libxcb-damage0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-dri2-0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-dri3-0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-glx0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-icccm4/stable,now 0.4.1-1.1 arm64 [installed,automatic]
libxcb-image0/stable,now 0.4.0-2 arm64 [installed,automatic]
libxcb-keysyms1/stable,now 0.4.0-1+b2 arm64 [installed,automatic]
libxcb-present0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-randr0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-render-util0/stable,now 0.3.9-1+b1 arm64 [installed,automatic]
libxcb-render0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-screensaver0/stable,now 1.15-1 arm64 [installed]
libxcb-shape0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-shm0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-sync1/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-util1/stable,now 0.4.0-1+b1 arm64 [installed,automatic]
libxcb-xfixes0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-xinerama0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-xinput0/stable,now 1.15-1 arm64 [installed,automatic]
libxcb-xkb1/stable,now 1.15-1 arm64 [installed,automatic]
libxcb1-dev/stable,now 1.15-1 arm64 [installed,automatic]
libxcb1/stable,now 1.15-1 arm64 [installed,automatic]

On Bullseye, xscreensaver and other lockers were working just fine, I can't figure out how to fix this, thanks!