Dataframe loses dropdown in the environment

I upgraded Rstudio to 1.2 in Sep 2019. I have noticed that some of the dataframes loses the blue dropdown button which showes the column (equivalent of "str" command) when I use some of the dplyr functions.

I have asked this question on stackoverflow as well but have not had an answer yet. its annoying more than anything else.

https://stackoverflow.com/questions/58089056/mutate-function-conversts-a-data-frame-to-a-matrix-in-rstudio-1-2

@AshishSinghal I think you might be experiencing this issue: Environment:Data: data.frames expand with blue arrow but tbl_dfs don't

It was fixed in a preview version of RStudio 1.2 so I'd recommend updating to the latest build (1.2.5019) and check. If that doesn't fix it, then you might want to raise a bug report with RStudio.

The latest stable release (i.e. 1.2.5019) doesn't have the fix, you should try with the latest preview version (1.2.5033 at the moment)

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