PSA: Beware httpuv 1.6.10

[jcheng5]

(This issue is just a PSA, we can close it in a few days)

If you hit any of the following issues, starting from earlier this week to now:

1. On closing a Shiny app, RStudio session crashes
2. On closing a Shiny app, R exits with the message "uv__finish_close: Assertion `handle->flags & UV_HANDLE_CLOSING' failed"
3. On loading a deployed app, Shiny apps frequently load without CSS styles and fail to start showing outputs; the browser console reveals tons of failed requests

It is likely because of a crashing bug in httpuv 1.6.10. Please upgrade to httpuv 1.6.11!

If you're on Windows or Mac, and install.packages("httpuv") gives you 1.6.10, please try install.packages("httpuv", type="source") (requires Windows users to have RTools installed, and Mac users to have build tools installed). Or wait a couple of days for the CRAN binaries to be updated, and try again.

Sorry for the inconvenience!