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Mac is probably similar, yes. In fact Mac is good because... If at all possible, could you try opening Developer Tools? It should be F12 but may differ so check menus or just search Google for instructions on how to do it in your browser/computer. Once open, get the "Console" tab open. Clear it if it's not empty. Then go make interactions. You probably won't get anything interesting. Ideally, if anything does appear, just clear it after each field. Then, when the glitch happens, see what you get. If you don't get anything, repeat the process but this time with the Network tab, and when the interactions fail you should have a "/summary/interact" entry that I'd like to see.