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.. so use Safari and Sublime.

People seriously need to start ditching apps built on Electron and start using native applications again. Atom uses about 400-600Mb memory. So does GitKraken, and so does WhatsApp. The first two can be replaced by Sublime (rarely above 200Mb and much faster) and Fork, although the only real alternative for WhatsApp is Telegram (with the native client), although that has not nearly as much users.

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What the hell do you imagine RAM usage has to do with battery life?

It's a sign of bad resource management. Why does whatsapp need 600mb if a native messaging app uses fraction of that? Why does atom/vscode (electron apps) need to use gigabytes of memory, when I can open two orders of magnitude larger files in a native app with two orders of magnitude lower memory consumption?

Besides being an indicator of inefficiency, RAM uses a lot of power. In the region of 10-20% of overall system power. That's not even factoring swap space into account, which is a greater burden on power.

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