Catalina Supplemental Update 2
Apple today released a new supplemental update for macOS Catalina, nearly one week after releasing the first supplemental update and two weeks after the launch of macOS Catalina.
The patch notes for (19A602) are exactly the same as (19A603)
It’s not yet another emergency update at all, but the result of Apple updating the security certificate on the original 10.15 Supplemental Update (or 10.15 Update as it seems to be called officially).
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Not only that, but if you have already installed the first version of the update, you won’t be offered the second – there’s no point. The only value of the new version is for those Macs which haven’t had the original update applied yet.
If that’s the only difference, why is the new version a full megabyte larger?
Previously:
