You typically leave an IDE open most of the time, and maybe start it up in the morning at most a few times a week. For that, a cold launch time of a couple of

You typically leave an IDE open most of the time, and maybe start it up in the morning at most a few times a week. For that, a cold launch time of a couple of seconds (VS Code) is fine, tens of seconds (Eclipse, XCode) is annoying. Opening new files definitely needs to be instantaneous.