Blog Archives

Shiny 1.2.0: Plot caching

November 12, 2018
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Shiny 1.2.0: Plot caching

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) the results so that the next time that operation is requested, we...

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Shiny Server (Pro) 1.5.8

September 3, 2018
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Shiny Server 1.5.8.921 and Shiny Server Pro 1.5.8.985 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 changes the default SSL/TLS configuration in Shiny Server Pro to...

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Shiny 1.1.0: Scaling Shiny with async

June 25, 2018
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Shiny 1.1.0: Scaling Shiny with async

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 to the same process. Therefore, Shiny apps that feature long-running...

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Shiny Server (Pro) 1.5.7

April 10, 2018
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Shiny Server 1.5.7.907 and Shiny Server Pro 1.5.7.954 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...

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leaflet 1.1.0

February 22, 2017
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leaflet 1.1.0

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 features. Easily add textual labels on

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Shiny Server (Pro) 1.5

November 4, 2016
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Shiny Server (Pro) 1.5

Shiny Server 1.5.1.834 and Shiny Server Pro 1.5.1.760 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 you test

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Shiny Server (Pro) 1.4.7

October 14, 2016
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Shiny Server (Pro) 1.4.7

Shiny Server 1.4.7.815 and Shiny Server Pro 1.4.7.736 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 network connections between the browser and an R

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Shiny Server (Pro) 1.4.6

September 22, 2016
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Shiny Server (Pro) 1.4.6

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 that is older than 1.4.3 and are configured to use SSL/TLS,

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ShinyDevCon videos now available

May 6, 2016
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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 some of these intermediate and advanced

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Shiny Developer Conference | Stanford University | January 2016

October 29, 2015
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Shiny Developer Conference | Stanford University | January 2016

In the three years since we launched Shiny, our focus has been on helping people get started with Shiny. But there’s a huge difference between using Shiny and using it well, and we want to start getting serious about helping people use Shiny most effectively. It’s the difference between having apps that merely work, and

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