Remove "in progress" qualifications (#607)

README.md

@@ -2,7 +2,7 @@
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-This is the work-in-progress repo for the book _Mastering Shiny_ by Hadley Wickham. It is licensed under the Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International License](http://creativecommons.org/licenses/by-nc-nd/4.0/). 
+This is the repo for the book _Mastering Shiny_ by Hadley Wickham. It is licensed under the Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International License](http://creativecommons.org/licenses/by-nc-nd/4.0/). 
 
 Built with [bookdown](https://bookdown.org/yihui/bookdown/).
 

index.Rmd

@@ -12,7 +12,7 @@ suppress-bibliography: true
 
 # Welcome {.unnumbered}
 
-<img src="cover.png" class="cover" width="250" height="328"/>This is the online version of *Mastering Shiny*, a book **currently under early development** and intended for a late 2020 release by [O'Reilly Media](https://www.oreilly.com/).
+<img src="cover.png" class="cover" width="250" height="328"/>This is the online version of *Mastering Shiny* by Hadley Wickham, published by [O'Reilly Media](https://www.oreilly.com/) in April 2021.
 
 [Shiny](https://shiny.rstudio.com/) is a framework for creating web applications using R code.
 It is designed primarily with data scientists in mind, and to that end, you can create pretty complicated Shiny apps with no knowledge of HTML, CSS, or JavaScript.