[bot] RA: Merge jamulussoftware#3579: Fixes 3572: macOS 13 runner is closing down

Author: pljones

ReleaseAnnouncement.md

@@ -58,7 +58,7 @@ The Windows installer is now more reliable and up-to-date, thanks to an upgrade
 
 ## For macOS users
 
-Jamulus now builds reliably on newer macOS infrastructure, ensuring that musicians using older Mac hardware or operating systems can continue to enjoy stable, up-to-date releases. This behind-the-scenes update also includes an upgrade to the latest `create-dmg` tool, which ensures that the macOS disk image (.dmg) installer is more polished and user-friendly. Whether you're downloading Jamulus for the first time or updating to the latest version, the installation process is now smoother and more intuitive.
+Jamulus now ensures continued support for musicians using older Mac hardware, with macOS High Sierra (10.13) as the new minimum requirement for legacy builds. This update guarantees that even users with older systems can still enjoy stable, up-to-date releases. Behind the scenes, the build process has been modernized to use the latest Xcode 16.3.0 and macOS 15 infrastructure, ensuring smoother and more reliable builds for both Intel and Apple Silicon Macs. The macOS disk image (.dmg) installer also benefits from an upgrade to the latest `create-dmg` tool, making the installation process more polished and user-friendly. Whether you're downloading Jamulus for the first time or updating to the latest version, you can expect a seamless experience.
 
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