Add release notes for 1.87.0

[BoxyUwU]

Originally drafted in #140133

cc @rust-lang/release

r? @pietroalbani as you're running the release

[rustbot]

Failed to set assignee to pietroalbani: cannot assign: response: {"message":"Not Found","documentation_url":"https://docs.github.com/rest/issues/assignees#add-assignees-to-an-issue","status":"404"}

Note: Only org members with at least the repository "read" role, users with write permissions, or people who have commented on the PR may be assigned.

[BoxyUwU]

huh?

[BoxyUwU]

oh,

[Kobzol]

This is genius 😆

[pietroalbini]

Boxy....

@bors r+ rollup

[bors]

📌 Commit a278f8d has been approved by pietroalbini

It is now in the queue for this repository.

[pthariensflame]

Suggested change

	- [`Vec::extract_if`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.extract_if)
	- [`vec::ExtractIf`](https://doc.rust-lang.org/nightly/std/vec/struct.ExtractIf.html)
	- [`LinkedList::extract_if`](https://doc.rust-lang.org/nightly/std/collections/struct.LinkedList.html#method.extract_if)
	- [`linked_list::ExtractIf`](https://doc.rust-lang.org/nightly/std/collections/linked_list/struct.ExtractIf.html)
	- [`<[T]>::split_off`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off)
	- [`<[T]>::split_off_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_mut)
	- [`<[T]>::split_off_first`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first)
	- [`<[T]>::split_off_first_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first_mut)
	- [`<[T]>::split_off_last`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last)
	- [`<[T]>::split_off_last_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last_mut)
	- [`String::extend_from_within`](https://doc.rust-lang.org/stable/alloc/string/struct.String.html#method.extend_from_within)
	- [`os_str::Display`](https://doc.rust-lang.org/nightly/std/ffi/os_str/struct.Display.html)
	- [`OsString::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsString.html#method.display)
	- [`OsStr::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsStr.html#method.display)
	- [`io::pipe`](https://doc.rust-lang.org/nightly/std/io/fn.pipe.html)
	- [`io::PipeReader`](https://doc.rust-lang.org/nightly/std/io/struct.PipeReader.html)
	- [`io::PipeWriter`](https://doc.rust-lang.org/nightly/std/io/struct.PipeWriter.html)
	- [`impl From<PipeReader> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeReader%3E-for-OwnedHandle)
	- [`impl From<PipeWriter> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeWriter%3E-for-OwnedHandle)
	- [`impl From<PipeReader> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html)
	- [`impl From<PipeWriter> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html#impl-From%3CPipeWriter%3E-for-Stdio)
	- [`impl From<PipeReader> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeReader%3E-for-OwnedFd)
	- [`impl From<PipeWriter> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeWriter%3E-for-OwnedFd)
	- [`Box<MaybeUninit<T>>::write`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.write)
	- [`impl TryFrom<Vec<u8>> for String`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#impl-TryFrom%3CVec%3Cu8%3E%3E-for-String)
	These APIs are now stable in const contexts:
	- [`<*const T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned)
	- [`<*const T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned)
	- [`<*mut T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned-1)
	- [`<*mut T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned-1)
	- [`NonNull::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.offset_from_unsigned)
	- [`NonNull::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.byte_offset_from_unsigned)
	- [`<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.cast_signed)
	- [`NonZero::<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_signed-5).
	- [`<iN>::cast_signed`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.cast_signed).
	- [`NonZero::<iN>::cast_unsigned`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_unsigned-5).
	- [`<uN>::is_multiple_of`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.is_multiple_of)
	- [`<uN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shl)
	- [`<uN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shr)
	- [`<iN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shl)
	- [`<iN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shr)
	- [`<str>::from_utf8`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8)
	- [`<str>::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_mut)
	- [`<str>::from_utf8_unchecked`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked)
	- [`<str>::from_utf8_unchecked_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked_mut)
	- [`core::str::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/str/fn.from_utf8_mut.html)
	- [`<[T]>::copy_from_slice`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.copy_from_slice)
	- [`SocketAddr::set_ip`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_ip)
	- [`SocketAddr::set_port`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_port),
	- [`SocketAddrV4::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_ip)
	- [`SocketAddrV4::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_port),
	- [`SocketAddrV6::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_ip)
	- [`SocketAddrV6::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_port)
	- [`SocketAddrV6::set_flowinfo`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_flowinfo)
	- [`SocketAddrV6::set_scope_id`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_scope_id)
	- [`char::is_digit`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_digit)
	- [`char::is_whitespace`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_whitespace)
	- [`<iN>::midpoint`](https://doc.rust-lang.org/std/primitive.isize.html#method.midpoint)
	- [`<[[T; N]]>::as_flattened`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened)
	- [`<[[T; N]]>::as_flattened_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened_mut)
	- [`String::into_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.into_bytes)
	- [`String::as_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_str)
	- [`String::capacity`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.capacity)
	- [`String::as_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_bytes)
	- [`String::len`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.len)
	- [`String::is_empty`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.is_empty)
	- [`String::as_mut_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_str)
	- [`String::as_mut_vec`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_vec)
	- [`Vec::as_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_ptr)
	- [`Vec::as_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_slice)
	- [`Vec::capacity`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.capacity)
	- [`Vec::len`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.len)
	- [`Vec::is_empty`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.is_empty)
	- [`Vec::as_mut_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_slice)
	- [`Vec::as_mut_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_ptr)
	- [`Vec::extract_if`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.extract_if)
	- [`vec::ExtractIf`](https://doc.rust-lang.org/nightly/std/vec/struct.ExtractIf.html)
	- [`LinkedList::extract_if`](https://doc.rust-lang.org/nightly/std/collections/struct.LinkedList.html#method.extract_if)
	- [`linked_list::ExtractIf`](https://doc.rust-lang.org/nightly/std/collections/linked_list/struct.ExtractIf.html)
	- [`<[T]>::split_off`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off)
	- [`<[T]>::split_off_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_mut)
	- [`<[T]>::split_off_first`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first)
	- [`<[T]>::split_off_first_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_first_mut)
	- [`<[T]>::split_off_last`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last)
	- [`<[T]>::split_off_last_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.split_off_last_mut)
	- [`String::extend_from_within`](https://doc.rust-lang.org/stable/alloc/string/struct.String.html#method.extend_from_within)
	- [`os_str::Display`](https://doc.rust-lang.org/nightly/std/ffi/os_str/struct.Display.html)
	- [`OsString::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsString.html#method.display)
	- [`OsStr::display`](https://doc.rust-lang.org/nightly/std/ffi/struct.OsStr.html#method.display)
	- [`io::pipe`](https://doc.rust-lang.org/nightly/std/io/fn.pipe.html)
	- [`io::PipeReader`](https://doc.rust-lang.org/nightly/std/io/struct.PipeReader.html)
	- [`io::PipeWriter`](https://doc.rust-lang.org/nightly/std/io/struct.PipeWriter.html)
	- [`impl From<PipeReader> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeReader%3E-for-OwnedHandle)
	- [`impl From<PipeWriter> for OwnedHandle`](https://doc.rust-lang.org/nightly/std/os/windows/io/struct.OwnedHandle.html#impl-From%3CPipeWriter%3E-for-OwnedHandle)
	- [`impl From<PipeReader> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html)
	- [`impl From<PipeWriter> for Stdio`](https://doc.rust-lang.org/nightly/std/process/struct.Stdio.html#impl-From%3CPipeWriter%3E-for-Stdio)
	- [`impl From<PipeReader> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeReader%3E-for-OwnedFd)
	- [`impl From<PipeWriter> for OwnedFd`](https://doc.rust-lang.org/nightly/std/os/fd/struct.OwnedFd.html#impl-From%3CPipeWriter%3E-for-OwnedFd)
	- [`Box<MaybeUninit<T>>::write`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.write)
	- [`impl TryFrom<Vec<u8>> for String`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#impl-TryFrom%3CVec%3Cu8%3E%3E-for-String)
	- [`<*const T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned)
	- [`<*const T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned)
	- [`<*mut T>::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from_unsigned-1)
	- [`<*mut T>::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.byte_offset_from_unsigned-1)
	- [`NonNull::offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.offset_from_unsigned)
	- [`NonNull::byte_offset_from_unsigned`](https://doc.rust-lang.org/nightly/std/ptr/struct.NonNull.html#method.byte_offset_from_unsigned)
	- [`<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.cast_signed)
	- [`NonZero::<uN>::cast_signed`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_signed-5).
	- [`<iN>::cast_unsigned`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.cast_unsigned).
	- [`NonZero::<iN>::cast_unsigned`](https://doc.rust-lang.org/nightly/std/num/struct.NonZero.html#method.cast_unsigned-5).
	- [`<uN>::is_multiple_of`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.is_multiple_of)
	- [`<uN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shl)
	- [`<uN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.unbounded_shr)
	- [`<iN>::unbounded_shl`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shl)
	- [`<iN>::unbounded_shr`](https://doc.rust-lang.org/nightly/std/primitive.isize.html#method.unbounded_shr)
	- [`<iN>::midpoint`](https://doc.rust-lang.org/std/primitive.isize.html#method.midpoint)
	- [`<str>::from_utf8`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8)
	- [`<str>::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_mut)
	- [`<str>::from_utf8_unchecked`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked)
	- [`<str>::from_utf8_unchecked_mut`](https://doc.rust-lang.org/nightly/std/primitive.str.html#method.from_utf8_unchecked_mut)
	- [`<[[T; N]]>::as_flattened`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened)
	- [`<[[T; N]]>::as_flattened_mut`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_flattened_mut)
	These APIs are now stable in const contexts:
	- [`core::str::from_utf8_mut`](https://doc.rust-lang.org/nightly/std/str/fn.from_utf8_mut.html)
	- [`<[T]>::copy_from_slice`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.copy_from_slice)
	- [`SocketAddr::set_ip`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_ip)
	- [`SocketAddr::set_port`](https://doc.rust-lang.org/nightly/std/net/enum.SocketAddr.html#method.set_port),
	- [`SocketAddrV4::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_ip)
	- [`SocketAddrV4::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV4.html#method.set_port),
	- [`SocketAddrV6::set_ip`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_ip)
	- [`SocketAddrV6::set_port`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_port)
	- [`SocketAddrV6::set_flowinfo`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_flowinfo)
	- [`SocketAddrV6::set_scope_id`](https://doc.rust-lang.org/nightly/std/net/struct.SocketAddrV6.html#method.set_scope_id)
	- [`char::is_digit`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_digit)
	- [`char::is_whitespace`](https://doc.rust-lang.org/nightly/std/primitive.char.html#method.is_whitespace)
	- [`String::into_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.into_bytes)
	- [`String::as_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_str)
	- [`String::capacity`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.capacity)
	- [`String::as_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_bytes)
	- [`String::len`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.len)
	- [`String::is_empty`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.is_empty)
	- [`String::as_mut_str`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_str)
	- [`String::as_mut_vec`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_vec)
	- [`Vec::as_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_ptr)
	- [`Vec::as_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_slice)
	- [`Vec::capacity`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.capacity)
	- [`Vec::len`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.len)
	- [`Vec::is_empty`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.is_empty)
	- [`Vec::as_mut_slice`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_slice)
	- [`Vec::as_mut_ptr`](https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_ptr)

Many of the things listed as const-stablized here were actually stabilized in any form in this release, and the automation just picked up that they were const-stabilized at the same time as being stabilized and put them in the wrong section. Additionally, <iN>::cast_signed doesn't exist, and should be <iN>::cast_unsigned instead.

[pthariensflame]

@BoxyUwU @pietroalbini This was merged with major issues, as noted. Can this be reverted and/or corrected?

[BoxyUwU]

I'm not sure its wrong to put newly stabilized APIs in the const section if they were stabilized as const from the start. The <iN>::cast_unsigned thing should be fixed though

[pietroalbini]

@pthariensflame could you please put up a new PR with the changes you proposed, and request my review on it?