Issues

• ACP: Add safe unaligned access support methods and types

  api-change-proposalT-libs
  rust-lang/libs-team#918 · Filter by author dead-claudia opened on Oct 16, 2026
  9

• ACP: Box::<[T]>::from_elem and Box::<[T]>::from_elem_in

  api-change-proposalT-libs
  rust-lang/libs-team#917 · Filter by author williamwutq opened on Oct 15, 2026
  19

• ACP: Vec::from_elem and Vec::from_elem_in

  api-change-proposalT-libs
  rust-lang/libs-team#912 · Filter by author Gelbpunkt opened on Oct 13, 2026
  4

• ACP: uid, gid, effective_uid and effective_gid in std::os::unix::process

  api-change-proposalT-libs
  rust-lang/libs-team#909 · Filter by author programskillforverification opened on Oct 10, 2026
  2

• ACP: OpenOptions: add a way to mutate custom_flags (and not just overwrite them)

  api-change-proposalT-libs
  rust-lang/libs-team#908 · Filter by author RalfJung opened on Oct 9, 2026
  4

• ACP: Add an optimize_for_size_aggressive flag

  api-change-proposalI-libs-nominatedT-libs
  rust-lang/libs-team#907 · Filter by author kleinesfilmroellchen opened on Oct 8, 2026
  11

• ACP : Add a fallible but always safe method to compute layout from Metadata

  api-change-proposalT-libs
  rust-lang/libs-team#904 · Filter by author Morgane55440 opened on Oct 1, 2026
  9

• ACP: Add portable OpenOptions flag to not follow symlinks

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#902 · Filter by author RalfJung opened on Sep 30, 2026
  8

• Thread spawn hooks for thread::Builder

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#900 · Filter by author the8472 opened on Sep 30, 2026
  1

• ACP: StartBounds and EndBounds

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#899 · Filter by author mrmelon54 opened on Sep 30, 2026
  4

• Introduce UnixSeqListener/UnixSeqPacket

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#898 · Filter by author asder8215 opened on Sep 29, 2026
  7

• Add a get_disjoint_mut method to BTreeMap

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#896 · Filter by author Ryan1729 opened on Sep 28, 2026
  2

• Add Result::is_ok_or and Result::is_err_or

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#895 · Filter by author RalfJung opened on Sep 26, 2026
  1

• API for better handling of FFI span

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#892 · Filter by author dingxiangfei2009 opened on Sep 25, 2026
  18

• Add core::mem::replace_with

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#890 · Filter by author RalfJung opened on Sep 21, 2026
  2

• Support MiB and M suffix in RUST_MIN_STACK

  ACP-not-on-zulipapi-change-proposalT-libs
  rust-lang/libs-team#889 · Filter by author ChrisDenton opened on Sep 20, 2026
  8

• ACP: Referencing existing safety contracts in unsafe API documentation

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#887 · Filter by author yilin0518 opened on Sep 19, 2026
  9

• ACP: File::preallocate

  api-change-proposal
  rust-lang/libs-team#886 · Filter by author joshtriplett opened on Sep 19, 2026
  21

• ACP: panic_abort!

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#885 · Filter by author CAD97 opened on Sep 18, 2026
  4

• ACP: Add bytes to the standard library

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#883 · Filter by author joshtriplett opened on Sep 18, 2026
  12

• Add an equivalent DirBuilderExt trait on Windows + introducing creating subdirectories from Dir with certain permissions upfront

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#882 · Filter by author asder8215 opened on Sep 18, 2026
  6

• ACP: Add BufReader::chars() -> Chars

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#881 · Filter by author Hexorg opened on Sep 17, 2026
  3

• add Vec::try_from_fn

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#880 · Filter by author bend-n opened on Sep 15, 2026

• ACP: Iterator::collect_into_owned()

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#879 · Filter by author theemathas opened on Sep 14, 2026

• ACP: Path forward to implementing atomic functionality in terms of Atomic<T>

  ACP-not-on-zulipapi-change-proposal
  rust-lang/libs-team#878 · Filter by author nahla-nee opened on Sep 4, 2026