separate header

Author: BoxyUwU

content/Rust-1.89.0.md

@@ -168,11 +168,14 @@ For users, nothing will change. Builds of both the standard library and the comp
 [gha-sunset]: https://github.blog/changelog/2025-07-11-upcoming-changes-to-macos-hosted-runners-macos-latest-migration-and-xcode-support-policy-updates/#macos-13-is-closing-down
 [rfc]: https://github.com/rust-lang/rfcs/pull/3841
 
+### Standards Compliant C ABI on the `wasm32-unknown-unknown` target
+
+`extern "C"` functions on the `wasm32-unknown-unknown` target now have a standards compliant ABI. See ["C ABI changes for wasm32-unknown-unknown"]((https://blog.rust-lang.org/2025/04/04/c-abi-changes-for-wasm32-unknown-unknown/)) for more information.
+
 ### Platform Support
 
 - [`x86_64-apple-darwin` is in the process of being demoted to Tier 2 with host tools](https://github.com/rust-lang/rfcs/pull/3841)
 - [Add new Tier-3 targets `loongarch32-unknown-none` and `loongarch32-unknown-none-softfloat`](https://github.com/rust-lang/rust/pull/142053)
-- [WASM's C abi is now spec compliant](https://github.com/rust-lang/rust/pull/133952)
 
 Refer to Rust’s [platform support page][platform_support_page] for more information on Rust’s tiered platform support.