macOS Mojave Patcher. Download and instructions available at: http://dosdude1.com/mojave pic.twitter.com/sPwdxAFBuf
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In the meantime I found this as a solution to have light mode and dark menu bar as in 10.13:https://www.tekrevue.com/tip/only-dark-menu-bar-dock-mojave/ …
And then: Sys prefs > accessibility > screen > less transparancy Most strange glitches are gone now :-)
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