Any time I attempt to download the latest beta of macOS 26, Safari stops the download at Zero KB, with no indication of why. I'm able to download OS 26 beta 8 for the other platforms absolutely fine, just not macOS. Pressing the little orange "reload" button, just results in another copy of the same zero KB file bundle on the file system. Can anyone help please?

I've got the initial WWDC beta of macOS 26 (25A5279m) installed inside a virtual machine (UTM), but can't seem to update to the second beta. Nothing is showing up within Software Update. Is this because it's within a VM, or am I doing something wrong? It'd be a real pain to have to install a new VM afresh with the RestoreImage for every update.