Articles by Joe Cheng

Shiny v1.3.2

April 25, 2019 | Joe Cheng

We’re excited to announce the release of Shiny v1.3.2. This release has two main features: a new reactivity debugging tool we call reactlog, and much faster serving of static file assets. Introducing reactlog: Visually debug your reactivity issues Debugging faulty reactive logic can be challenging, as we’ve written ... [Read more...]

Shiny 1.2.0: Plot caching

November 12, 2018 | Joe Cheng

We’re pleased to announce the CRAN release of Shiny v1.2.0! This release features Plot Caching, an important new tool for improving performance and scalability in Shiny apps. If you’re not familiar with the term “caching”, it just means that when we perform a time-consuming operation, we save (cache) ...
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Shiny Server (Pro) 1.5.8

September 3, 2018 | Joe Cheng

Shiny Server and Shiny Server Pro are now available. This release includes support for listening on IPv6 addresses. It also fixes issues with servers that have home directories mounted over NFS with root_squash, and with networks that use double-bind LDAP with restrictive permissions on user accounts. Finally, this release ... [Read more...]

Shiny 1.1.0: Scaling Shiny with async

June 25, 2018 | Joe Cheng

This is a significant release for Shiny, with a major new feature that was nearly a year in the making: support for asynchronous operations! Without this capability, when Shiny performs long-running calculations or tasks on behalf of one user, it stalls progress for all other Shiny users that are connected ...
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Shiny Server (Pro) 1.5.7

April 10, 2018 | Joe Cheng

Shiny Server and Shiny Server Pro are now available. Highlights for this release are a major-version Node upgrade, support for HTTP gzip/deflate compression and (optionally) secure cookies, and numerous bug fixes. We&rsq... [Read more...]

leaflet 1.1.0

February 22, 2017 | Joe Cheng

Leaflet 1.1.0 is now available on CRAN! The Leaflet package is a tidy wrapper for the Leaflet.js mapping library, and makes it incredibly easy to generate interactive maps based on spatial data you have in R. This release was nearly a year in the making, and includes many important new ...
[Read more...]

Shiny Server (Pro) 1.5

November 4, 2016 | Joe Cheng

Shiny Server and Shiny Server Pro are now available. The Shiny Server 1.5.x release family upgrades our underlying Node.js engine from 0.10.47 to 6.9.1. The impetus for this change was not stability or performance, but because the 0.10.x release family has reached the end of its life. We highly recommend that ... [Read more...]

Shiny Server (Pro) 1.4.7

October 14, 2016 | Joe Cheng

Shiny Server and Shiny Server Pro are now available! This release includes new features to support Shiny 0.14. It also updates our Node.js to 0.10.47, which includes important security fixes for SSL/TLS. Connection robustness (a.k.a. grey-outs) Shiny’s architecture is built on top of websockets, which are long-lived ... [Read more...]

Shiny Server (Pro) 1.4.6

September 22, 2016 | Joe Cheng

We’ve just released Shiny Server and Shiny Server Pro 1.4.6. Relative to 1.4.2, our previously blogged-about version, the 1.4.6 release primarily includes bug fixes, and mitigations for low-severity security issues found by penetration testing. The full list of changes is after the jump. If you’re running a Shiny Server Pro release ... [Read more...]

ShinyDevCon videos now available

May 6, 2016 | Joe Cheng

This past January, we held the first ever Shiny Developer Conference. It was a chance to gather together a group of intermediate to advanced Shiny users, and take their skills to the next level. It was an exciting event for me in particular, as I’ve been dying to share ... [Read more...]

d3heatmap: Interactive heat maps

June 24, 2015 | Joe Cheng

We’re pleased to announce d3heatmap, our new package for generating interactive heat maps using d3.js and htmlwidgets. Tal Galili, author of dendextend, collaborated with us on this package. d3heatmap is designed to have a familiar feature set and API for anyone who has used heatmap or ...
[Read more...]

Shiny 0.12: Interactive Plots with ggplot2

June 16, 2015 | Joe Cheng

Shiny 0.12 has been released to CRAN! Compared to version 0.11.1, the major changes are: Interactive plots with base graphics and ggplot2 Switch from RJSONIO to jsonlite For a full list of changes and bugfixes in this version, see the NEWS file. To install the new version of Shiny, run: install.packages(... [Read more...]

Shiny 0.10

June 20, 2014 | Joe Cheng

Shiny 0.10 is now available on CRAN. Interactive documents In this release, the biggest changes were under the hood to support the creation of interactive documents. If you haven’t had a chance to check out interactive documents, we really encourage you to do so—it may be the easiest way ... [Read more...]

New Shiny website launched; Shiny 0.9 released

March 27, 2014 | Joe Cheng

We’re excited to introduce to you our new website for Shiny:! We’ve included articles on many Shiny-related topics, dozens of example applications, and an all-new tutorial for getting started. Whether you’re a beginner or expert at Shiny, we hope that having these resources available ... [Read more...]

Shiny 0.8.0 released; Yihui Xie joins RStudio

November 15, 2013 | Joe Cheng

We’re very pleased to announce Shiny 0.8.0 (which actually went up on CRAN about two weeks ago). This release features a vastly better way to display tabular data, and new debugging tools that make it much easier to fix errors in your app. DataTables support We now support much more ... [Read more...]

Shiny Server now available

January 22, 2013 | Joe Cheng

Shiny makes it easy to develop interactive web applications that run on your own machine. But by itself, it isn’t designed to make your applications available to all comers over the internet (or intranet). You can’t run more than one Shiny application on the same port, and if ... [Read more...]

An update on Shiny

December 4, 2012 | Joe Cheng

Last month we released Shiny, our new R package for creating interactive web applications. The response from the community has been extremely encouraging–we’ve received a lot of great feedback that has helped us to make significant improvements to the framework already! Shiny 0.2.3 on CRAN Starting with Shiny 0.2.3, you ... [Read more...]

Introducing Shiny: Easy web applications in R

November 8, 2012 | Joe Cheng

Say hello to Shiny, a new R package that we’re releasing for public beta testing today. Shiny makes it super simple for R users to turn analyses into interactive web applications that anyone can use. These applications let you specify input parameters using friendly controls like sliders, drop-downs, and ... [Read more...]

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