It's hard to tell how much of the trouble with 2018 was due to the concept of having a major release with several things being updated together, and how much wa

It's hard to tell how much of the trouble with 2018 was due to the concept of having a major release with several things being updated together, and how much was due to the mistake of setting too early a deadline (by pre-announcing that it would be "Rust 2018" rather than "Rust 2019").