These might help as that included GNOME 50.1 packages… 
:: Different overlay package(s) in repository extra x86_64
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PACKAGE AFTER BEFORE
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gnome-shell 1:50.1-1 1:50.0-1
gnome-shell-docs 1:50.1-1 1:50.0-1
gnome-shell-extension-dash-to-dock 105-1 104-1
gsettings-desktop-schemas 50.1-1 50.0-1
gsettings-system-schemas 50.1-1 50.0-1
EDIT: Also a few more…