# Dealing with R 4.0

**URL:** <https://discourse.mc-stan.org/t/dealing-with-r-4-0/14586>\
**Category:** RStan\
**Created:** [April 24, 2020, 7:32pm UTC](https://discourse.mc-stan.org/t/dealing-with-r-4-0/14586 "2020-04-24T19:32:22Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![saudiwin](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/saudiwin/32/1137_2.png) [@saudiwin](https://discourse.mc-stan.org/u/saudiwin)\
**Post date:** [April 25, 2020, 7:12am UTC](https://discourse.mc-stan.org/t/dealing-with-r-4-0/14586/3 "2020-04-25T07:12:25Z")

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Hi @bgoodri -

What are the advantages for rstan in upgrading? Are there any breaking changes? Any big changes that will happen bc of this update? How will it impact rstantools?

Thanks much

Bob

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