progressr 0.8.0 is on CRAN. It comes with some new features:
A new ‘rstudio’ handler that reports on progress via the RStudio job interface in RStudio withProgressShiny() now updates the detail part, instead of the message part In addition to signalling relative amounts of progress, it’s now also possible to signal total amounts If you’re curious what progressr is about, have a look at my e-Rum 2020 presentation.