Today updated an Electro app (Figma), and KM started to fail at finding the app and the menu, with the message, from log:
Running application query took a while (6513 us)
2020-01-14 10:40:02 Running application runningApplicationWithProcessIdentifier (<NSRunningApplication: 0x600000961b00 (com.figma.Desktop - 97507) LSASN:{hi=0x0;lo=0xc5ac5a}>) took a while (1012 us)
Menu selection failed to pick menu Object➤Master Component➤Go to Master Component with error -5620.`
Found a similar thread from a couple days ago similar, about another Electron app, KM was not finding windows