RStudio preview 1.2.679-1 on MacOS run chunks issue



In Rmarkdown files the options "Run all chunks above" & "Run all chunks below" do not work on RStudio preview 1.2.679-1 on MacOS, but "Run all chunks" work.




Thanks for the possible bug report. Could you give a bit more information to help replicate the issue?

Steps to replicate the issue. What happens when you do click these chuck run buttons?
Any recent changes? 

#### System Information:
- RStudio Edition: (Desktop or Server)
- RStudio Version: 
- OS Version: 
- R Version: 

#### Also:
<!-- Depending on your issue, the following may be useful /-->
<!-- If a section isn't relevant or you can't collect it just delete that section below /-->
- RStudio diagnostics report: <!--see /-->
- Your `sessionInfo()`:
- RStudio crash report: <!-- /-->
- RStudio application log files: <!-- /-->


Thanks for your reply.

Here are the info requested:

  • RStudio Edition: Desktop
  • RStudio Version: Preview release v1.2.679-1
  • OS Version: MacOS 10.12.5
  • R Version: 3.5.0

Here is the output from sessionInfo()

R version 3.5.0 (2018-04-23)

Platform: x86_64-apple-darwin15.6.0 (64-bit)

Running under: macOS Sierra 10.12.5


The issue is still present in preview release v1.2.747-3 for MacOS.



This issue has been fixed in the latest daily builds, but unfortunately the fix didn't make its way into the latest preview release. If you'd like to test / confirm, the daily builds are available from


Yes the issue is now fixed in RStudio ver. 1.2.789, albeit I had to run RStudio three times before the app becomes responsive...