Add binary signing to change log.
@@ -24,6 +24,8 @@ recompile your client-side code using the updated `astcenc.h` header.
* **Binary releases:**
* **Improvement:** Linux binaries changed to use use Clang 9.0, which gives
up to 15% performance improvement.
+ * **Improvement:** Windows binaries are now signed, and macOS binaries are
+ signed and notarized.
* **Command Line:**
* **Feature:** New image preprocess `-pp-normalize` option added. This forces
normal vectors to be unit length, which is useful when compressing source
