I too got hit with the automatic update to 1.30 on my Mac (MacBook Pro, Mojave) despite not having automatic updates turned on. I re-installed 1.23, but it's installing AZW with a voucher which is coming through to Calibre as KFX. Fortunately, DeDRM handled it and I converted it to epub.
However, I now have to redo the fix and try the new fix to prevent automatic updates. The original fix worked and I no longer have the voucher when I download. I did the new fix too, so I'll see I get nagged about updates again along with stealth upgrades.
Last edited by maddz; 11-07-2020 at 06:11 AM.
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