This should walk you through the steps needed to install and open this: https://www.macworld.co.uk/how-to/mac-app-unidentified-developer-3669596/
Dirk and others can probably better explain why this happens but as I understand it the way that applications are created and signed/notarised is complicated and may even keep getting changed. Hope this helps Jason Sent from my iPhone > On 18 Jun 2021, at 04:05, N Hardcastle via subsurface > <subsurface@subsurface-divelog.org> wrote: > > Hi > > I am unable to install the application on the Mac because “Subsurface” can’t > be opened because Apple cannot check it for malicious software. > > best regards > Nick > _______________________________________________ > subsurface mailing list > subsurface@subsurface-divelog.org > http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface
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