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Agree on the topic of performance. Try joining the OpenAI discord channel and you'll see Discord slowly die and become unresponsive. Or VS Code being unable to read a 100 MB file. Or Teams slowly lagging out of existence when you open a large OneDrive folder inside it.

Just about any Electron app I know of can't do large tasks of any kind. The web platform is not built for this kind of work.

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> The web platform is not built for this kind of work.

It requires clever tricks we learned in the 80's.

You can't keep the whole state of the application in a puny 64K of memory. With luck, you can keep about 30K of it, provided the app is small enough. What you need to do is to just load what you need to display, and get rid of the rest as it fills up the memory.

And beware of JavaScript arrays - they are a lie.

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