Blog

Shiny blog posts

The Shiny blog has a new home#

The Shiny blog has moved to the Posit Open Source blog . All past and future Shiny posts now live here alongside posts from our other open-source projects.

All blog posts

Shiny for Python 1.6 brings toolbars and OpenTelemetry

Shiny for Python 1.6 brings toolbars and OpenTelemetry

Shiny for Python v1.6.0 is now available on PyPI! This release includes toolbar components for compact UIs and built-in OpenTelemetry support for production observability

Liz Nelson, Barret Schloerke

Apr 2, 2026

Shiny for Python Interactive Apps Shiny Python

Where Questions Become Queries: Meet querychat

Where Questions Become Queries: Meet querychat

querychat is a multilingual drop-in component for Shiny that allows you to chat with your data using natural language queries. No more clicking, no more limited filters, just you and your questions!

Veerle Eeftink - Van Leemput

Jan 22, 2026

querychat Shiny for Python Shiny chatlas ellmer Interactive Apps Shiny

OpenTelemetry + Shiny for R v1.12

Shiny has added OpenTelemetry support! Now you can pear into your Shiny app’s reactive graph and performance characteristics at scale

Barret Schloerke

Dec 10, 2025

Shiny Interactive Apps Shiny

Shiny talks and workshops at posit::conf(2025)

Shiny Talks from posit::conf(2025)

A curated playlist and overview of all Shiny-focused sessions from posit::conf(2025), along with workshop materials and links

Dec 2, 2025

Shiny Shiny for Python Interactive Apps Shiny

Tool Calling UI in shinychat

Rich tool calling displays are now available in shinychat!

Garrick Aden-Buie, Carson Sievert, Barret Schloerke

Nov 20, 2025

shinychat Shiny for Python Interactive Apps Shiny

promises v1.5.0

The latest promises release brings hybrid sync/async execution, OpenTelemetry integration for distributed tracing, and significant performance improvements

Barret Schloerke

Nov 7, 2025

promises Interactive Apps Shiny

Build Your First LLM App with Shiny for Python or R

In the third and final part of The Shiny Side of LLMs, we’ll bring everything together in a polished Shiny app. From covering async, optimizing conversations, to handling loading and errors smoothly. Both Python and R!

Veerle Eeftink - Van Leemput

Sep 15, 2025

Shiny for Python Shiny chatlas ellmer Interactive Apps Shiny

Shiny at posit::conf(2025)

Find Shiny talks and workshops at posit::conf(2025) in Atlanta

Shiny Team

Sep 12, 2025

Shiny for Python Shiny Interactive Apps Shiny

Talking to LLMs: From Prompt to Response

In this second part of The Shiny Side of LLMs we get into the fun of actually talking to an LLM. From crafting prompts that get the responses you want, to turning messy outputs into something useful, giving models extra powers with tools, and figuring out what all the chatter really costs

Veerle Eeftink - Van Leemput

Sep 5, 2025

Shiny for Python Shiny chatlas ellmer Interactive Apps Shiny

What LLMs Actually Do (and What They Don’t)

Welcome to The Shiny Side of LLMs: a blog series explaining large language models in plain English, without the fancy and difficult buzzwords. In this first part: what LLMs are, how they work, what they’re good at, and why they don’t magically solve all your problems

Veerle Eeftink - Van Leemput

Jul 31, 2025

Shiny for Python Shiny chatlas ellmer Interactive Apps Shiny

Posit at SciPy 2025

Catch up on the Shiny team’s talks and tutorials from SciPy 2025

Shiny Team

Jul 14, 2025

Shiny for Python Interactive Apps Shiny

Shiny 1.4 brings bookmarking and Generative AI docs

Shiny 1.4 brings bookmarking and Generative AI docs

Shiny v1.4 is now available on PyPI! This release includes bookmarking, new Generative AI documentation, and more

Shiny Team

Apr 15, 2025

Shiny for Python Interactive Apps Shiny

chromote v0.5.0

With the latest chromote release, you can stay up to date with Chrome or pin your scripts to a specific version of Chrome easily

Garrick Aden-Buie

Mar 21, 2025

chromote Interactive Apps Shiny

Creating Responsive Layouts in Shiny with `layout_columns()`

Creating Responsive Layouts in Shiny with layout_columns()

Learn how to use Shiny’s layout_columns() to build adaptive web apps that look great on any screen size

Shiny Team

Feb 8, 2025

Shiny for Python bslib Interactive Apps Shiny

Level Up Your Shiny Forms: Accordions + Dynamic Goodness

Level Up Your Shiny Forms: Accordions + Dynamic Goodness

Mastering Shiny Forms: Dynamic Updates with Accordion Panels

Shiny Team

Feb 5, 2025

Shiny for Python Interactive Apps Shiny

bslib v0.9.0 brings branded theming to Shiny for R

Unified theming is here for R users!

Garrick Aden-Buie

Jan 31, 2025

bslib Shiny brand-yml Interactive Apps Shiny

Branded theming for Shiny for Python apps

Unified theming via brand.yml is now available in Shiny for Python

Garrick Aden-Buie

Nov 25, 2024

Shiny for Python brand-yml Interactive Apps Shiny

Collage of speakers with Shiny talks at posit::conf(2024)

posit::conf(2024) Shiny talks

There were many great talks given at posit::conf(2024) about Shiny and they are now available on YouTube

Andrew Holz

Nov 11, 2024

Shiny Shiny for Python Interactive Apps Shiny

Shiny for Python 1.2.0

Shiny’s @render.data_frame has a new integration with narwhals, gaining support for multiple data frame types!

Shiny Team

Oct 31, 2024

Shiny for Python Interactive Apps Shiny

Testing Shiny Apps in Python

The shiny add test command simplifies the process of creating test files for Shiny apps, allowing developers to easily generate and run robust tests using built-in UI testing controllers for various components

Shiny Team

Oct 29, 2024

Shiny for Python Interactive Apps Shiny

an image with lines representing ai computing lie behind a chatbox icon

Shiny Assistant

Prototype and build Shiny applications with the help of AI

Winston Chang

Oct 9, 2024

shiny-assistant Shiny for Python Shiny Interactive Apps Shiny

Announcing Shiny for Python 1.0

Shiny for Python’s level of quality, runtime stability, API and feature set make it ready for a big announcement

Shiny Team

Jul 22, 2024

Shiny for Python Interactive Apps Shiny

shinyswatch 0.7.0

Customizable shinyswatch themes and an improved theme picker round out shinyswatch v0.7.0

Garrick Aden-Buie

Jul 19, 2024

py-shinyswatch Interactive Apps Shiny

Reintroducing the Shiny Extension for VS Code

Reintroducing the Shiny Extension for VS Code

The v1.0.0 release of the Shiny extension for VS Code now supports running both Shiny for Python and Shiny for R apps, as well as new ShinyLive features

Garrick Aden-Buie

May 22, 2024

shiny-vscode Shiny for Python Shiny Interactive Apps Shiny

Editable data tables in Shiny for Python 0.9.0

Editable data frames, empowered renderers, browser error console, and more in Shiny for Python 0.9.0

Shiny Team

May 9, 2024

Shiny for Python Interactive Apps Shiny

Introducing Shiny for Python Templates

Get started quickly with Shiny for Python’s new app templates

Shiny Team

Apr 5, 2024

Shiny for Python py-shiny-templates Interactive Apps Shiny

Shiny for R updates: Extended tasks, JavaScript errors, and many bslib improvements

Shiny for R updates: Extended tasks, JavaScript errors, and many bslib improvements

An overview of recent Shiny for R updates, including extended tasks, JavaScript errors, and many bslib improvements

Carson Sievert

Mar 27, 2024

Shiny bslib Interactive Apps Shiny

Introducing Component and Layout Galleries for Shiny for Python

Qucikly see and choose Shiny for Python’s Components and Layouts in these new galleries

Daniel Chen, Sara Altman, Garrett Grolemund

Feb 26, 2024

Shiny for Python Interactive Apps Shiny

Introducing: Shiny Express

A brand new way to write Shiny apps in Python

Shiny Team

Jan 29, 2024

Shiny for Python Interactive Apps Shiny

Shiny for Python 0.6.1

Templates, an improved debugger, and a sneak peek at Shiny Express

Shiny Team

Dec 22, 2023

Shiny for Python Interactive Apps Shiny

Shiny for R updates: new default look, dark mode, shinylive updates, and more

Shiny for R updates: new default look, dark mode, shinylive updates, and more

An overview of recent Shiny for R updates, a new default look, dark mode, shinylive updates, and more

Carson Sievert, Garrick Aden-Buie

Nov 30, 2023

Shiny shinylive bslib Interactive Apps Shiny

Shiny for Python 0.6.0

Fewer decorators, new page functions and, many new components

Shiny Team

Nov 15, 2023

Shiny for Python Interactive Apps Shiny

Code next to the ShinyUIEditor that generated it

ShinyUiEditor: Out of Alpha

We’re excited to announce that ShinyUiEditor, a drag-and-drop interface for building Shiny apps, is officially out of its “alpha” stage

Nick Strayer

Oct 30, 2023

shinyuieditor Shiny Interactive Apps Shiny

Shiny for R updates: tooltips, popovers, a new theme, and more

Shiny for R updates: tooltips, popovers, a new theme, and more

An overview of recent Shiny for R updates, including tooltips, popovers, a new theme, and more

Carson Sievert, Garrick Aden-Buie

Aug 16, 2023

bslib Shiny Interactive Apps Shiny

Shiny for Python 0.5.0

Style tweaks, table filtering, tooltips–and an appearance on the Talk Python podcast!

Joe Cheng

Aug 9, 2023

Shiny for Python Interactive Apps Shiny

Shiny for Python 0.4.0

Better tables and sidebars!

Winston Chang

Jun 28, 2023

Shiny for Python Interactive Apps Shiny

Towards easy, delightful, and customizable dashboards in Shiny for R with {bslib}

Towards easy, delightful, and customizable dashboards in Shiny for R with {bslib}

The {bslib} R package nows makes it very easy to make delightful and customizable dashboard in Shiny for R. This post walks through a Shiny app which quickly illustrates what’s possible with these components

Carson Sievert

Jun 7, 2023

bslib Shiny Interactive Apps Shiny

AI chat apps with Shiny for Python

The easiest way to build an AI chat app

Winston Chang

May 12, 2023

Shiny for Python chatlas Interactive Apps Shiny

Shiny on Hugging Face

Deploy Shiny on Hugging Face with the click of a button

Gordon Shotwell

May 8, 2023

Shiny for Python Shiny Interactive Apps Shiny

Shiny for Python out of alpha

Shiny for Python has moved from alpha to general availability

Winston Chang

Apr 18, 2023

Shiny for Python Interactive Apps Shiny

Shiny Conf 2023 Recap

Appsilon’s Shiny Conf 2023 was a big success, with many incredible speakers (including 3 members of our team!)

Andrew Holz

Mar 28, 2023

Shiny bslib Interactive Apps Shiny

New to the ShinyUiEditor: bslib Cards!

The latest version of {shinyuieditor} includes the new card component from {bslib}. In this post, we describe how you can use these cards and a new static-text component to easily organize your app’s content in a visually appealing way

Nick Strayer

Mar 15, 2023

shinyuieditor bslib Shiny Interactive Apps Shiny

Announcing new R Shiny UI components

The {bslib} R package recently added new user interface (UI) components, including (full-screen) Cards, Value Boxes, and a responsive column wrapping layout. Start using them today in Shiny, R Markdown, and/or Quarto

Carson Sievert

Dec 20, 2022

bslib Shiny Interactive Apps Shiny

Joe Cheng speaking at RStudio's conference in 2022

The Past and Future of Shiny

To celebrate Shiny’s 10th anniversary, let’s talk about how we started and where we’re going

Joe Cheng

Dec 15, 2022

Shiny for Python Shiny Interactive Apps Shiny

A screenshot of an app, showing it in light mode and dark mode

Weather App Story Pt. 3: Styling

The bslib package allows for extremely easy customization of your Shiny app’s style using the bootstrap css framework. It also allows you to update theming in a running app to create dynamicly styled apps

Nick Strayer

Apr 27, 2021

Shiny bslib Interactive Apps Shiny