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Description
While I was creating this issue and running the below minimal example app in a fresh R session I noticed the following error messages in the browser console (again using Chrome Version 137.0.7151.120 (Official Build) (64-bit)):
System details
Output of sessionInfo()
:
> sessionInfo()
R version 4.5.1 (2025-06-13 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 10 x64 (build 19045)
Matrix products: default
LAPACK version 3.12.1
locale:
[1] LC_COLLATE=German_Germany.utf8 LC_CTYPE=German_Germany.utf8 LC_MONETARY=German_Germany.utf8 LC_NUMERIC=C
[5] LC_TIME=German_Germany.utf8
time zone: Europe/Berlin
tzcode source: internal
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] shiny_1.10.0
loaded via a namespace (and not attached):
[1] digest_0.6.37 later_1.4.2 R6_2.6.1 httpuv_1.6.16 fastmap_1.2.0 fontawesome_0.5.3 magrittr_2.0.3 cachem_1.1.0
[9] memoise_2.0.1 htmltools_0.5.8.1 lifecycle_1.0.4 promises_1.3.3 cli_3.6.5 xtable_1.8-4 sass_0.4.10 jquerylib_0.1.4
[17] withr_3.0.2 compiler_4.5.1 rstudioapi_0.17.1 tools_4.5.1 bslib_0.9.0 mime_0.13 Rcpp_1.0.14 jsonlite_2.0.0
[25] rlang_1.1.6
Example application or steps to reproduce the problem
library(shiny)
ui <- fluidPage(
actionButton("test", "test", icon = icon("folder"))
)
server <- function(input, output, session) {}
shinyApp(ui, server)
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