[R-SIG-Mac] R-patched installers cannot be run on Catalina

[Simon Urbanek]

Kevin,

thanks for the report. We are aware of the notarization and there are plans, but at this point it's unclear if it's even possible, given the various constraints and the way R works (it's unlikely that R as it is will pass the test). We definitely hope to have a solution for R 4.0.0, but it's unlikely that any R 3.x version can be released in a conform way.

Cheers,
Simon


> On Oct 11, 2019, at 1:59 PM, Kevin Ushey <kevinushey using gmail.com> wrote:
> 
> Hi,
> 
> I'm seeing the following when I attempt to install R-patched, as from
> http://mac.r-project.org/:
> 
> ---
> 
> “R-3.6-branch-el-capitan-signed.pkg” can’t be opened because Apple
> cannot check it for malicious software.
> 
> This software needs to be updated. Contact the developer for more information.
> 
> ---
> 
> I suspect this is pain being imposed by the requirement for notarized
> applications / installers. The dialog can be overridden through the
> Security & Privacy preferences pane, but Apple does not make this
> obvious.
> 
> The official R 3.6.1 installer is not affected; likely because it was
> grandfathered in due to its being published before Catalina was rolled
> out.
> 
> Are there plans to notarize these builds of R? (can we be helpful in
> making that happen?)
> 
> Best,
> Kevin
> 
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