diff --git a/library/core/src/option.rs b/library/core/src/option.rs
index 7ec0ac7127142..aed5a043c11a3 100644
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@@ -162,8 +162,14 @@
//! The [`is_some`] and [`is_none`] methods return [`true`] if the [`Option`]
//! is [`Some`] or [`None`], respectively.
//!
+//! The [`is_some_and`] and [`is_none_or`] methods apply the provided function
+//! to the contents of the [`Option`] to produce a boolean value.
+//! If this is [`None`] then a default result is returned instead without executing the function.
+//!
//! [`is_none`]: Option::is_none
//! [`is_some`]: Option::is_some
+//! [`is_some_and`]: Option::is_some_and
+//! [`is_none_or`]: Option::is_none_or
//!
//! ## Adapters for working with references
//!
@@ -177,6 +183,10 @@
//! [Option]<[Pin]<[&]T>>
//! * [`as_pin_mut`] converts from [Pin]<[&mut] [Option]\> to
//! [Option]<[Pin]<[&mut] T>>
+//! * [`as_slice`] returns a one-element slice of the contained value, if any.
+//! If this is [`None`], an empty slice is returned.
+//! * [`as_mut_slice`] returns a mutable one-element slice of the contained value, if any.
+//! If this is [`None`], an empty slice is returned.
//!
//! [&]: reference "shared reference"
//! [&mut]: reference "mutable reference"
@@ -187,6 +197,8 @@
//! [`as_pin_mut`]: Option::as_pin_mut
//! [`as_pin_ref`]: Option::as_pin_ref
//! [`as_ref`]: Option::as_ref
+//! [`as_slice`]: Option::as_slice
+//! [`as_mut_slice`]: Option::as_mut_slice
//!
//! ## Extracting the contained value
//!
@@ -200,12 +212,15 @@
//! (which must implement the [`Default`] trait)
//! * [`unwrap_or_else`] returns the result of evaluating the provided
//! function
+//! * [`unwrap_unchecked`] produces *[undefined behavior]*
//!
//! [`expect`]: Option::expect
//! [`unwrap`]: Option::unwrap
//! [`unwrap_or`]: Option::unwrap_or
//! [`unwrap_or_default`]: Option::unwrap_or_default
//! [`unwrap_or_else`]: Option::unwrap_or_else
+//! [`unwrap_unchecked`]: Option::unwrap_unchecked
+//! [undefined behavior]: https://doc.rust-lang.org/reference/behavior-considered-undefined.html
//!
//! ## Transforming contained values
//!
@@ -230,8 +245,9 @@
//! * [`filter`] calls the provided predicate function on the contained
//! value `t` if the [`Option`] is [`Some(t)`], and returns [`Some(t)`]
//! if the function returns `true`; otherwise, returns [`None`]
-//! * [`flatten`] removes one level of nesting from an
-//! [`Option