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:

Each time I run "update.packages(ask='graphics',checkBuilt=TRUE)" I am asked TWICE

"--- Please select a CRAN mirror for use in this session ---".

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.

And when I run "old.packages()", it seems that all my packages are identified as being old.

Any suggestions what might be going on?

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.

Best,
Uwe Ligges






Thank you so much in advance,

Karl Schilling

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