Apply suggestions from code review

Co-authored-by: Urgau <[email protected]>

Author: cuviper

RELEASES.md

@@ -35,9 +35,11 @@ Compiler
 - [Define `-C strip` to only affect binaries, not artifacts like `.pdb`.](https://github.com/rust-lang/rust/pull/115120/)
 - [Stabilize `-Crelro-level` for controlling runtime link hardening.](https://github.com/rust-lang/rust/pull/121694/)
 - [Stabilize importing `main` from other modules or crates.](https://github.com/rust-lang/rust/pull/122060/)
-- [Stabilize checking of `cfg` names at compile-time with `--check-cfg`.](https://github.com/rust-lang/rust/pull/123501/)
+- [Stabilize checking of `cfg` names and values at compile-time with `--check-cfg`.](https://github.com/rust-lang/rust/pull/123501/)
+  *Note that this only stabilises the compiler part, the Cargo part is still unstable in this release.*
 - [Add `aarch64-apple-visionos` and `aarch64-apple-visionos-sim` tier 3 targets.](https://github.com/rust-lang/rust/pull/121419/)
 - [Add `riscv32ima-unknown-none-elf` tier 3 target.](https://github.com/rust-lang/rust/pull/122696/)
+- [Promote several Windows targets to tier 2](https://github.com/rust-lang/rust/pull/121712): `aarch64-pc-windows-gnullvm`, `i686-pc-windows-gnullvm`, and `x86_64-pc-windows-gnullvm`.
 
 Refer to Rust's [platform support page][platform-support-doc]
 for more information on Rust's tiered platform support.
@@ -74,7 +76,7 @@ Stabilized APIs
 - [`<*mut [T]>::len`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.len-1)
 - [`<*const [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty)
 - [`<*mut [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty-1)
-- [`NonNull::is_empty`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_empty)
+- [`NonNull::<[T]>::is_empty`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_empty)
 - [`CStr::count_bytes`](https://doc.rust-lang.org/stable/core/ffi/c_str/struct.CStr.html#method.count_bytes)
 - [`io::Error::downcast`](https://doc.rust-lang.org/stable/std/io/struct.Error.html#method.downcast)
 - [`num::NonZero<T>`](https://doc.rust-lang.org/stable/core/num/struct.NonZero.html)