Shiny’s 1.6 has a new function, bindCache(), which makes it easy to dramatically speed up reactive expressions and output rendering functions. This allows many applications to scale up to serve several times more users without an increase in server resources.
Note: Shiny 1.6.0 isn’t yet on CRAN, but will be in the next few days. In the meantime, you can install it with:
Winston Chang is a software engineer at Posit and currently works on Shiny and related projects. He has also worked on several other R packages, including devtools, R6, and ggplot2. Winston is the author of the R Graphics Cookbook, published by O'Reilly Media, and has a PhD in psychology from Northwestern University.