Which R to use and how to change plotting order in FeatureHeatmap?

[alectika]

Hi,
I have two problems. One is the problem about proper R version for Seurat. In your website, it is recommended to use R 3.4.1 but I had error during the data scaling. Then I upgraded R to 3.5.0 (because I got error that saying R has builded under version R 3.5.0), but I still had problems with the additional packages like ggplot2 and Matrix. Which R version do you recommend me to use?
The second thing is I want to change the plotting order for FeatureHeatmap. Is this possible? I could only do this for DimPlot.

[mojaveazure]

We use a variety of R versions, mainly 3.4.4 and 3.5.0; if you have issues with packages loading under a specific R version, try reinstalling that package. Keep your R libraries for 3.4.X and 3.5.X separate from one another, as packages cannot be moved between minor versions of R. For example, if you're installing Seurat under 3.4.1, install Seurat and all of it's dependent packages under 3.4.1

As for changing plotting order for FeatureHeatmap, there currently is no way to change plot order.