Nate Graham authored Aug 24, 2020 and Fushan Wen committed Dec 28, 2021

"Instance" is an esoteric jargon word. Now, technically a new instance of an
app and a new window of the same app are different things, but to most users,
it's a distinction without a difference, and the users who do understand the
difference won't be confused by the use of more user-friendly terminology
anyway.