so in a nutshell, most scripts are more or less closely tied to the WK webpage (no surprise) and its underlying structure (this is the important bit). Some time ago the WK team started to change this underlying structure quite a lot without the normal user being able to notice, but it made a huge difference to many scripts, and so many of them broke more or less. At that point the WK team introduced “compatibility mode” which basically was the old website before those changes. So the users would still be able to run their old scripts. The idea probably was to buy some time for the script devs so that they could adapt their scripts to the new webpage. But many of the script devs are no longer around, and so this didn’t work out exactly as planned, I guess. Now it’s a huge PITA for the WK developers to have two versions of basically the same thing around, and so compatibility mode is being removed right now, i.e. everybody is forced to use the new webpage, and the scripts don’t work any more. That’s all. 
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