Customize error messages in Rstudio Connect


I saw this message from February claiming that it was not possible to customize error messages in Rstudio Connect. Customize error page or message in RStudio Connect

I wonder if anything has changed, or if they might be a workaround? Basically I would like to set a server-level configuration that says something like "Sorry, our system is under construction." any time a user encounters an error.

I know I can sanitize errors at the level of individual shiny apps, but would like a server-level option that allows a custom message if this is available.

Thank you for your help,

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