After latest update application window doesn't display minimize, maximize and close button
But it show minimize, maximize and close button when application is not maximized

I have installed gnome-tweak-tool but it display blank for title bar button
After latest update application window doesn't display minimize, maximize and close button
But it show minimize, maximize and close button when application is not maximized

I have installed gnome-tweak-tool but it display blank for title bar button
I had the same problem this fixed it for me:
gsettings set org.gnome.desktop.wm.preferences button-layout "close,minimize,maximize:"