[R] Problem with updating packages

[Jeff Newmiller]

So can we interpret this to mean that update.packages() will fix (replace) old packages that were copied into the new library? What if one or more packages were dropped/archived or pulled from non-standard package sources?

On May 27, 2026 2:06:12 PM PDT, Uwe Ligges <ligges using statistik.tu-dortmund.de> wrote:
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>On 27.05.2026 18:01, Karl Schilling wrote:
>> I am running R under Windows 11. recently updated R to the 4.6patchhed version. I then copied my packages from my previous version (4.5) to the library of 4.6. Then I updated all packages.
>> 
>> Since then, I see the following behavior:
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>> Each time I run "update.packages(ask='graphics',checkBuilt=TRUE)" I am asked TWICE
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>> "--- Please select a CRAN mirror for use in this session ---".
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>> And, more embarrassingly, all my Cran and Bioconductor are said to require an update. That also happens when I run "update.packages", say, one hour after my last update.
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>> And when I run "old.packages()", it seems that all my packages are identified as being old.
>> 
>> Any suggestions what might be going on?
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>For a major version change (as from 4.5.x to 4.6.y) we do not guarantee API compatibility, hence we cannot guarantee that a package built for 4.5.x will work under 4.6.y. As a consequence, update.packages() knows that everything has to be reinstalled.
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>Best,
>Uwe Ligges
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>> Thank you so much in advance,
>> 
>> Karl Schilling
>> 
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>

--
Sent from my phone. Please excuse my brevity.
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