@Vladyslav: did you have that g-s-d issue before updating?
Could you get a gdb backtrace of the issue?
$ sudo apt-get install libgtk-3-0-dbg
$ export GDK_SYNCHRONIZE=1
$ gdb gnome-settings-daemon
(gdb) b gdk_x_error
(gdb) r --replace
... it should stop on the issue
(gdb) bt
@Vladyslav: did you have that g-s-d issue before updating?
Could you get a gdb backtrace of the issue? daemon
$ sudo apt-get install libgtk-3-0-dbg
$ export GDK_SYNCHRONIZE=1
$ gdb gnome-settings-
(gdb) b gdk_x_error
(gdb) r --replace
... it should stop on the issue
(gdb) bt