readme: update references to 4.0.0

Author: torque

readme.md

@@ -10,7 +10,7 @@ This project currently builds the three main LibreSSL libraries as static librar
 - `libssl`: OpenSSL 1.1 compatibility layer
 - `libtls`: LibreSSL's new cryptography API
 
-Operating systems and hardware architectures are supported on a best-effort basis. Building for Linux, macOS, and Windows (mingw64) is directly tested by CI.
+Operating systems and hardware architectures are supported on a best-effort basis, and patches to add additional OS/arch support are welcome. Building for Linux (`x86_64`), macOS (`aarch64`), and Windows (`x86_64` via `mingw64`) is directly tested by CI.
 
 The command-line programs `nc`, `ocspcheck`, and `openssl` are not built by default, and building them when targeting Windows is not supported. Building the command-line programs may be enabled by specifing the `-Dbuild-apps` option to `zig build`
 
@@ -21,7 +21,7 @@ First, update your `build.zig.zon`:
 ```sh
 # Initialize a `zig build` project if you haven't already
 zig init
-# replace <refname> with the version you want to use, e.g. 3.9.2+1
+# replace <refname> with the version you want to use, e.g. 4.0.0
 zig fetch --save git+https://github.com/allyourcodebase/libressl#<refname>
 ```
 
@@ -36,8 +36,9 @@ const libressl_dependency = b.dependency("libressl", .{
 your_exe.linkLibrary(libressl_dependency.artifact("tls")); // or "ssl", or "crypto"
 ```
 
-## Version Support Matrix
+## Zig Version Support Matrix
 
 |  Refname | LibreSSL Version | Zig `0.12.x` | Zig `0.13.x` | Zig `0.14.0-dev` |
 |----------|------------------|--------------|--------------|------------------|
 | `3.9.2+1`| `3.9.2+1`        | ✅           | ✅          | ✅              |
+| `4.0.0`  | `4.0.0`          | ✅           | ✅          | ✅              |