Problem with compatible library versions

On the github website I have reported several bugs with new versions of 
the tidyverse group (probably dplyr) which prevent me from using R 
normally. I wanted to go back to older versions but this seems not bo be 
easy. I downloaded R 4.1.2. and Rtools 40 but the library versions 
installed are still the newest ones. I was able to install dplyr 1.0.7. 
manually but there are error messages on incompatibility when loading 
this version. Is there a possibility to load older library versions 
which alre compatible ?

Thank you very much!

Best regards

Sabine Braun

------------------------------------------------------------------------

Dr. Sabine Braun
Leitung

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