Did you invoke kate by the menu or by opening a file from Dolphin? I had the same problem, but when I started kate from the menu and enabled the plugin, it was saved; just not, when I opened kate from Dolphin.
Did you invoke kate by the menu or by opening a file from Dolphin? I had the same problem, but when I started kate from the menu and enabled the plugin, it was saved; just not, when I opened kate from Dolphin.