Continue making feature borsh stable, as suggested by @KordAus

Cargo.toml

@@ -103,10 +103,7 @@ version = "1.1.3"
 optional = true
 version = "0.6"
 
-# Public (unstable): Used in trait impls on `Uuid`
-# Unstable: also need RUSTFLAGS="--cfg uuid_unstable" to work
-# This feature may break between releases, or be removed entirely before
-# stabilization.
+# Public: Used in trait impls on `Uuid`
 [dependencies.borsh]
 optional = true
 version = "1"

src/external.rs

@@ -1,6 +1,6 @@
 #[cfg(feature = "arbitrary")]
 pub(crate) mod arbitrary_support;
-#[cfg(all(uuid_unstable, feature = "borsh"))]
+#[cfg(feature = "borsh")]
 pub(crate) mod borsh_support;
 #[cfg(feature = "serde")]
 pub(crate) mod serde_support;

src/lib.rs

@@ -106,6 +106,8 @@
 //! * `macro-diagnostics` - enhances the diagnostics of `uuid!` macro.
 //! * `serde` - adds the ability to serialize and deserialize a UUID using
 //!   `serde`.
+//! * `borsh` - adds the ability to serialize and deserialize a UUID using
+//!   `borsh`.
 //! * `arbitrary` - adds an `Arbitrary` trait implementation to `Uuid` for
 //!   fuzzing.
 //! * `fast-rng` - uses a faster algorithm for generating random UUIDs.
@@ -120,8 +122,6 @@
 //!
 //! * `zerocopy` - adds support for zero-copy deserialization using the
 //!   `zerocopy` library.
-//! * `borsh` - adds the ability to serialize and deserialize a UUID using
-//!   `borsh`.
 //!
 //! Unstable features may break between minor releases.
 //!