I was a RubyMine and later IDEA user for many many years. I agree with everything you've said but I got so tired of the IDE using excessive RAM and constantly making my fan spin (2019 Intel MBP). Switching to Zed made my experience on this laptop enjoyable again, the downside being that I miss out on some of the features from the JetBrains editors.
I've learned to work around the loss of some functionality over the past 6 months since I've switched and it hasn't been too bad. The AI features in Zed have been great and I'm looking forward to the debugger release so I can finally run and debug tests in Zed.
I used to have one of these and recently got an M1 Max machine - the performance boost is seriously incredible.
The throttling on those late-game intel macs is hardcore - at one point I downloaded Hot[1], which is a menu bar app that shows you when you're being throttled. It was literally all the time that the system was slowing itself down due to heat. I eventually just uninstalled it because it was a constant source of frustration to know I was only ever getting 50% performance out of my expensive dev laptop.
I got an M4 as a new work machine and it is absolutely bonkers how much faster and quieter it is. And the battery lasts forever, even when running my dev setup. I can actually go and work at a coffee shop for a couple hours without taking the charger now.
Same here. My slightly older M2 MacBook Air seems to be allergic to electricity. I wouldn't be afraid of leaving the house without a charger before a full day's work, as long as I'm not planning to run compute-heavy stuff the entire time.
I've learned to work around the loss of some functionality over the past 6 months since I've switched and it hasn't been too bad. The AI features in Zed have been great and I'm looking forward to the debugger release so I can finally run and debug tests in Zed.