Thank you! Your help is very welcome. I share below devtools::session_info(), shiny version and RStudio version.
devtools::session_info()
- Session info -------------------------------------------------------------------------------
setting value
version R version 3.5.1 (2018-07-02)
os macOS 10.15.2
system x86_64, darwin15.6.0
ui RStudio
language (EN)
collate C
ctype C
tz Europe/Rome
date 2020-03-02
- Packages -----------------------------------------------------------------------------------
package * version date lib source
assertthat 0.2.1 2019-03-21 [1] CRAN (R 3.5.1)
backports 1.1.4 2019-04-10 [1] CRAN (R 3.5.2)
callr 3.3.1 2019-07-18 [1] CRAN (R 3.5.2)
cli 1.1.0 2019-03-19 [1] CRAN (R 3.5.1)
crayon 1.3.4 2017-09-16 [1] CRAN (R 3.5.0)
desc 1.2.0 2018-05-01 [1] CRAN (R 3.5.0)
devtools 2.2.0 2019-09-07 [1] CRAN (R 3.5.2)
digest 0.6.20 2019-07-04 [1] CRAN (R 3.5.2)
DT 0.8 2019-08-07 [1] CRAN (R 3.5.2)
ellipsis 0.2.0.1 2019-07-02 [1] CRAN (R 3.5.2)
fs 1.3.1 2019-05-06 [1] CRAN (R 3.5.2)
glue 1.3.1 2019-03-12 [1] CRAN (R 3.5.2)
htmltools 0.3.6 2017-04-28 [1] CRAN (R 3.5.0)
htmlwidgets 1.3 2018-09-30 [1] CRAN (R 3.5.0)
magrittr 1.5 2014-11-22 [1] CRAN (R 3.5.0)
memoise 1.1.0 2017-04-21 [1] CRAN (R 3.5.0)
pkgbuild 1.0.5 2019-08-26 [1] CRAN (R 3.5.2)
pkgload 1.0.2 2018-10-29 [1] CRAN (R 3.5.0)
prettyunits 1.0.2 2015-07-13 [1] CRAN (R 3.5.0)
processx 3.4.1 2019-07-18 [1] CRAN (R 3.5.2)
ps 1.3.0 2018-12-21 [1] CRAN (R 3.5.0)
R6 2.4.0 2019-02-14 [1] CRAN (R 3.5.2)
Rcpp 1.0.2 2019-07-25 [1] CRAN (R 3.5.2)
remotes 2.1.0 2019-06-24 [1] CRAN (R 3.5.2)
rlang 0.4.0 2019-06-25 [1] CRAN (R 3.5.2)
rprojroot 1.3-2 2018-01-03 [1] CRAN (R 3.5.0)
rstudioapi 0.10 2019-03-19 [1] CRAN (R 3.5.1)
sessioninfo 1.1.1 2018-11-05 [1] CRAN (R 3.5.0)
testthat 2.2.1 2019-07-25 [1] CRAN (R 3.5.2)
usethis 1.5.1 2019-07-04 [1] CRAN (R 3.5.2)
withr 2.1.2 2018-03-15 [1] CRAN (R 3.5.0)
yaml 2.2.0 2018-07-25 [1] CRAN (R 3.5.0)
packageVersion('shiny')
[1] '1.3.2'
RStudio version number = Version 1.1.419