# Version 4.2.0
- Add `Task::is_finished`. (#19)
# Version 4.1.0
- Add `FallibleTask`. (#21)
# Version 4.0.3
- Document the return value of `Runnable::run()` better.
# Version 4.0.2
- Nits in the docs.
# Version 4.0.1
- Nits in the docs.
# Version 4.0.0
- Rename `Task` to `Runnable`.
- Rename `JoinHandle` to `Task`.
- Cancel `Task` on drop.
- Add `Task::detach()` and `Task::cancel()`.
- Add `spawn_unchecked()`.
# Version 3.0.0
- Use `ThreadId` in `spawn_local` because OS-provided IDs can get recycled.
- Add `std` feature to `Cargo.toml`.
# Version 2.1.1
- Allocate large futures on the heap.
# Version 2.1.0
- `JoinHandle` now only evaluates after the task's future has been dropped.
# Version 2.0.0
- Return `true` in `Task::run()`.
# Version 1.3.1
- Make `spawn_local` available only on unix and windows.
# Version 1.3.0
- Add `waker_fn`.
# Version 1.2.1
- Add the `no-std` category to the package.
# Version 1.2.0
- The crate is now marked with `#![no_std]`.
- Add `Task::waker` and `JoinHandle::waker`.
- Add `Task::into_raw` and `Task::from_raw`.
# Version 1.1.1
- Fix a use-after-free bug where the schedule function is dropped while running.
# Version 1.1.0
- If a task is dropped or canceled outside the `run` method, it gets re-scheduled.
- Add `spawn_local` constructor.
# Version 1.0.0
- Initial release