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Upgrading futures 0.1 to 0.3

Breaking0.1.31 → 0.3.34Breaking18Platform4Deprecated3New92Changed26Fixed40Other18

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BreakingUpgrade verdict

18 breaking changes and 4 platform requirement changes.

In plain terms
  • Remove dependency to pin-utils.
  • Remove dependency on num_cpus.
  • Remove build scripts.
  • Remove Fut::Output: Clone bounds from some Shared methods.
Must act Top 5 of 25 that need code or config changes

Requires Rust 1.71 from 0.3.32 (none stated before).

What you must change

Breaking18
Remove dependency to pin-utils.
pin-utils
0.3.32GitHub ReleaseOriginalView source
Remove dependency on num_cpus.
num_cpus
0.3.32GitHub ReleaseOriginalView source
Remove build scripts.
0.3.30GitHub ReleaseOriginalView source
Remove Fut::Output: Clone bounds from some Shared methods.
Shared
0.3.26GitHub ReleaseOriginalView source
Remove T: Debug bounds from Debug implementations of mpsc and oneshot types.
Debugmpsconeshot
0.3.26GitHub ReleaseOriginalView source
Remove Unpin bound from TryStreamExt::into_async_read.
UnpinTryStreamExt::into_async_read
0.3.22GitHub ReleaseOriginalView source
Remove unstable read-initializer feature.
read-initializer
0.3.19GitHub ReleaseOriginalView source
Removed the Send bound on the output of RemoteHandle.
SendRemoteHandle
0.3.5GitHub ReleaseOriginalView source
Removed ThreadPool::run.
ThreadPool::run
0.3.0GitHub ReleaseOriginalView source
Removed BufReader::poll_seek_relative.
BufReader::poll_seek_relative
0.3.0GitHub ReleaseOriginalView source
Removed Stream impl for VecDeque.
StreamVecDeque
0.3.0GitHub ReleaseOriginalView source
Renamed Peekable::peek to poll_peek.
Peekable::peekpoll_peek
0.3.0GitHub ReleaseOriginalView source
Renamed oneshot::Sender::poll_cancel to poll_canceled.
oneshot::Sender::poll_cancelpoll_canceled
0.3.0GitHub ReleaseOriginalView source
Fix soundness bug in task::waker_ref This is a breaking change but allowed because it is soundness bug fix.
task::waker_ref
0.3.31GitHub ReleaseOriginalView source
Fix parsing issue in select!/select_biased!
select!select_biased!
0.3.31GitHub ReleaseOriginalView source
Fixed type-inference in sink::unfold by specifying more of its types (breaking change -- see ).
sink::unfold
0.3.10GitHub ReleaseOriginalView source
Removed and replaced a large amount of internal unsafe.
unsafe
0.3.5GitHub ReleaseOriginalView source
Fix signature of LocalSpawn trait (breaking change -- see ).
LocalSpawn
0.3.1GitHub ReleaseOriginalView source
Platform4
Bump MSRV of utility crates to 1.71.
0.3.32GitHub ReleaseOriginalView source
Update to syn 2. This raises MSRV of utility crates to 1.56.
0.3.28GitHub ReleaseOriginalView source
Fix stacked borrows violations when -Zmiri-tag-raw-pointers is enabled.
-Zmiri-tag-raw-pointersfutures-task
0.3.20GitHub ReleaseOriginalView source
Remove dependency on proc-macro-hack.
proc-macro-hack
0.3.18GitHub ReleaseOriginalView source

Deprecations to plan for

Deprecated3
Soft-deprecate ready! macro in favor of std::task::ready! added in Rust 1.64.
ready!std::task::ready!
0.3.32GitHub ReleaseOriginalView source
Soft-deprecate pin_mut! macro in favor of std::pin::pin! added in Rust 1.68.
pin_mut!std::pin::pin!
0.3.32GitHub ReleaseOriginalView source
Deprecate FuturesOrdered::push in favor of FuturesOrdered::push_back.
FuturesOrdered::pushFuturesOrdered::push_back
0.3.22GitHub ReleaseOriginalView source