1.30.0 (August 9, 2023)

This release bumps the MSRV of Tokio to 1.63. (#5887)

Changed

• tokio: reduce LLVM code generation (#5859)
• io: support --cfg mio_unsupported_force_poll_poll flag (#5881)
• sync: make const_new methods always available (#5885)
• sync: avoid false sharing in mpsc channel (#5829)
• rt: pop at least one task from inject queue (#5908)

Added

• sync: add broadcast::Sender::new (#5824)
• net: implement UCred for espidf (#5868)
• fs: add File::options() (#5869)
• time: implement extra reset variants for Interval (#5878)
• process: add {ChildStd*}::into_owned_{fd, handle} (#5899)

Removed

• tokio: removed unused tokio_* cfgs (#5890)
• remove build script to speed up compilation (#5887)

Documented

• sync: mention lagging in docs for broadcast::send (#5820)
• runtime: expand on sharing runtime docs (#5858)
• io: use vec in example for AsyncReadExt::read_exact (#5863)
• time: mark Sleep as !Unpin in docs (#5916)
• process: fix raw_arg not showing up in docs (#5865)

Unstable

• rt: add runtime ID (#5864)
• rt: initial implementation of new threaded runtime (#5823)