chore: perpare 1.52.0 (#8045)

# 1.52.0 (April 14th, 2026)

## Added

- io: `AioSource::register_borrowed` for I/O safety support ([#7992])
- net: add `try_io` function to `unix::pipe` sender and receiver types
  ([#8030])

## Added (unstable)

- runtime: `Builder::enable_eager_driver_handoff` setting enable eager
  hand off of the I/O and time drivers before polling tasks ([#8010])
- taskdump: add `trace_with()` for customized task dumps ([#8025])
- taskdump: allow `impl FnMut()` in `trace_with` instead of just `fn()`
  ([#8040])
- fs: support `io_uring` in `AsyncRead` for `File` ([#7907])

## Changed

- runtime: improve `spawn_blocking` scalability with sharded queue
  ([#7757])
- runtime: use `compare_exchange_weak()` in worker queue ([#8028])

## Fixed

- runtime: overflow second half of tasks when local queue is filled
  instead of first half ([#8029])

## Documented

- docs: fix typo in `oneshot::Sender::send` docs ([#8026])
- docs: hide #[tokio::main] attribute in the docs of `sync::watch`
  ([#8035])
- net: add docs on `ConnectionRefused` errors with UDP sockets ([#7870])

[#7757]: https://github.com/tokio-rs/tokio/pull/7757
[#7870]: https://github.com/tokio-rs/tokio/pull/7870
[#7907]: https://github.com/tokio-rs/tokio/pull/7907
[#7992]: https://github.com/tokio-rs/tokio/pull/7992
[#8010]: https://github.com/tokio-rs/tokio/pull/8010
[#8025]: https://github.com/tokio-rs/tokio/pull/8025
[#8026]: https://github.com/tokio-rs/tokio/pull/8026
[#8028]: https://github.com/tokio-rs/tokio/pull/8028
[#8029]: https://github.com/tokio-rs/tokio/pull/8029
[#8030]: https://github.com/tokio-rs/tokio/pull/8030
[#8035]: https://github.com/tokio-rs/tokio/pull/8035
[#8040]: https://github.com/tokio-rs/tokio/pull/8040

README.md

@@ -60,7 +60,7 @@ Make sure you enable the full features of the tokio crate on Cargo.toml:
 
 ```toml
 [dependencies]
-tokio = { version = "1.51.1", features = ["full"] }
+tokio = { version = "1.52.0", features = ["full"] }
 ```
 Then, on your main.rs: