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We make free, open-source software for data scientists like the RStudio IDE.

We're formerly known as RStudio. You can always download our open-source IDE here. https://posit.co/download/rstudio-desktop/
Reposted by Posit
nanonext 1.8.0 is out - R now has a streaming HTTP/WebSocket server with bundled TLS.

Runs alongside Shiny in the same process. We're already using it at Posit to explore new real-time capabilities.

#Rstats #tidyverse

tidyverse.org/blog/2026/02/nanonext-1-8-0/
nanonext 1.8.0
nanonext 1.8.0 adds a low-level streaming HTTP/WebSocket server to R's web infrastructure, with TLS support, new async primitives, and redesigned documentation.
tidyverse.org
February 9, 2026 at 8:13 PM
Did you hear? 📣 BARC CEO Shawn Rogers is joining Posit CMO Bruno Trimouille for an exciting discussion on eliminating the structural gap between development and deployment.

Register: posit.co/webinar/brid...
February 6, 2026 at 4:24 PM
Announcing yaml12: High-speed YAML 1.2 for #RStats & #Python 🐫

Built entirely in Rust, get up to 2x faster in R and 50x faster in Python vs. defaults, tag evaluation (like code execution) is opt-in, and strict YAML 1.2 compliance for consistent data.

Learn more: tidyverse.org/blog/2026/01...
February 4, 2026 at 3:23 PM
Thank you for the shout out, R Weekly & @rpodcast.bsky.social!

We love @emilyriederer.bsky.social's episode on The Test Set, and we think you will too!

Check it and all our past episodes on our YouTube playlist: www.youtube.com/playlist?lis...
February 4, 2026 at 2:31 PM
Reposted by Posit
dplyr 1.2.0 is out now and we are SO excited!

- `filter_out()` for dropping rows

- `recode_values()`, `replace_values()`, and `replace_when()` that join `case_when()` as a complete family of recoding/replacing tools

These are huge quality of life wins for #rstats!

tidyverse.org/blog/2026/02...
dplyr 1.2.0
dplyr 1.2.0 fills in some important gaps in dplyr's API: we've added a new complement to `filter()` focused on dropping rows, and we've expanded the `case_when()` family with three new recoding and re...
tidyverse.org
February 4, 2026 at 11:39 AM
Publishing R & Python work is easy.
Sharing it securely and efficiently isn’t.

In this live webinar, we’ll break down when Posit Connect vs. Connect Cloud makes sense, with a practical framework you can use right away.

📅 Feb 19, 2026
🔗 posit.co/webinar/publ...

#RStats #Python #DataScience
February 3, 2026 at 8:57 PM
Celebrating fifty releases of pointblank! 🚀

This framework brings a mature, high-fidelity validation ecosystem to #Python.

✅ 25+ validation methods ✅ Beautiful, interactive reports ✅ Support for Pandas, Polars, & SQL

Read more: posit.co/blog/fifty-r...
Fifty Releases of Pointblank: a Year of Building Data Quality Tooling - Posit
The Pointblank Python library's journey has resulted in a premier, data-agnostic toolkit for tabular data validation, offering automated reporting, multi-language support, and seamless integration acr...
posit.co
February 3, 2026 at 2:59 PM
Reposted by Posit
Tomorrow's #DSLab is gonna be interesting because I've never used AI to help write analysis code, or do any analysis at all! Super curious what this will look like and excited for you to meet @sara-altman.bsky.social if you haven't yet! She's part of the AI team here at #Posit!

#rstats #databs
Join us on Tuesday at the Data Science Lab 🧪 We are joined by @sara-altman.bsky.social, who will show us how to explore and analyze data using AI assistants in #RStats or #Python!

Feb 3 @ 12 pm ET: pos.it/dslab
February 2, 2026 at 5:58 PM
Good news: The posit::conf(2026) Call for Talks has been extended to Friday, February 20!
Join us in Houston to share your work with the R & Python community.
🎤 Speakers receive: Professional coaching, free conference pass, travel assistance
Submit your 20-min talk proposal: pos.it/conf-talk-2026
February 2, 2026 at 4:52 PM
🗞️ Here's the latest edition of the Posit AI newsletter, your biweekly roundup of AI news from Posit and beyond.

This week's edition includes:

• Claude's "constitution"
• How much electricity do coding agents use?
• Pre- and post-training

And more!

📬 Read the newsletter: posit.co/blog/ai-news...
AI Newsletter 2026-01-30 - Posit
Claude's constitution, how much power does Claude Code use, and LLM plot interpretation
posit.co
January 30, 2026 at 3:42 PM
Reposted by Posit
@posit.co and the Royal Statistical Society are sponsors of AI in Production 2026.

The conference focuses on machine learning, data science, and AI systems running in production.

4–5 June 2026, Newcastle, UK.

The Call for Papers closes today:
ai-in-production.jumpingrivers.com
January 30, 2026 at 10:43 AM
Reposted by Posit
Had a great time on @posit.co 's Test Set pod w/ @mchow.com @hadley.nz @wesmckinney.com!

We talk about moving between R, SQL, python and the strengths of different analytical tools for diff data tasks. You won't believe what proprietary language gets a shout-out (Stata!)

posit.co/thetestset/e...
Episode 14 – Emily Riederer: Column selectors, data quality, and learning in public - Posit
posit.co
January 29, 2026 at 1:59 PM
Meet querychat: A multilingual LLM drop-in for your #Python & #RStats Shiny apps!

Bridge the gap between data and natural language. Users can query datasets in plain English, with queries translated directly into SQL.

Read the walkthrough by @veerle.hypebright.nl: 🔗 shiny.posit.co/blog/posts/q...
January 28, 2026 at 3:41 PM
Reposted by Posit
I merged a PR for mirai today (fixing an esoteric bug), that came with a performance boost that I'd never have thought existed. That means that on my laptop, the default (with dispatcher) round-trip performance now dips into sub-100 microseconds territory!! Get it now: `pak::pak("r-lib/mirai")`
January 26, 2026 at 9:04 PM
Reposted by Posit
ragnar 0.3.0 is now on CRAN! 🚀 An R toolkit for RAG from your docs: faster ingestion, better retrieval, Azure OpenAI + Snowflake embeddings, and MCP serving. tidyverse.org/blog/2026/01...

#rstats #rag #ai
ragnar 0.3.0
The new release of ragnar adds faster ingestion, new embedding providers, improved retrieval, and new integrations for using ragnar stores from tools.
tidyverse.org
January 27, 2026 at 5:30 PM
Your data science team's models are ready. But are they reaching production?

Download the latest BARC spotlight: posit.co/whitepaper/h...
January 26, 2026 at 2:17 PM
2 weeks left to take the stage at posit::conf(2026)! 🎤
Share your work on R, Python, open-source, or any topic the community would love. Can't make it to Houston? Apply for our virtual track! It’s a great way to reach the global community.
Apply here: posit.co/blog/posit-c...
#positconf2026 #rstats
January 23, 2026 at 10:18 PM
No more "vibe checks" for your LLM apps!

Karan Gathani shows how to use InspectAI and #Python to build systematic Evals. Specifically for Python/Shiny devs: ✅ Isolate LLM logic ✅ Build realistic test datasets ✅ Automate scoring ✅ CI/CD integration

Read the post: posit.co/blog/using-e...
Vibes are not a Metric: A Guide to LLM Evals in Python - Posit
Move beyond "vibes-based" development by building an AI-powered fraud detection app with Shiny for Python and implementing rigorous Inspect AI evaluations to ensure your model follows business rules.
posit.co
January 22, 2026 at 3:24 PM
Reposted by Posit
📦 gt 1.3.0 is on CRAN! There's a great new function called `row_order()` that lets you sort rows within groups (e.g., order cars by price within each country, etc.). Pairs nicely with `row_group_order()` for full control over table arrangement.

Release notes: github.com/rstudio/gt/r...
Release v1.3.0 · rstudio/gt
New features The new row_order() function makes it possible to order rows within groups by one or more columns. This complements the existing row_group_order() function, which reorders the groups...
github.com
January 22, 2026 at 2:55 PM
ICYMI: stringr 1.6.0 🧵

This update brings performance gains and new fns for string manipulation in #RStats.

Highlights include: Faster replacements with `str_replace_all()`, 🐫 new case tools to camel, snake, and kebab, case-sensitive str_like(), & more.

Read more: tidyverse.org/blog/2025/11...
January 20, 2026 at 4:10 PM
Reposted by Posit
The latest release of #Positron has a TOTAL REVAMP of the integration to GitHub Copilot, which solves a ton of auth problems!

In this screencast, I walk through how to set up Positron Assistant 🤖 to use GitHub Copilot as a model provider:

youtu.be/T8dCQ6iIFXo
Use GitHub Copilot with Positron Assistant
YouTube video by Julia Silge
youtu.be
January 20, 2026 at 2:34 PM
Reposted by Posit
Join me, @libbyheeren.bsky.social, and @ivelasq3.bsky.social for @posit.co's Data Science Lab @ 12PM ET TODAY!
I'll be walking through how I use the R package structure to work more efficiently and the tools I use to do it!

events.zoom.us/ev/ApTgbXfay...

#rstats #databs
Data Science Lab
events.zoom.us
January 20, 2026 at 3:31 PM
Reposted by Posit
I'm super excited to share the next version of plumber2 with all of you. Headlining this release is support for OpenTelemetry throughout the routing logic, build in authentication logic, and much improved performance.

Try it out and report back!

#rstats
plumber2 0.2.0
The next version of plumber2 has hit CRAN. Read all about the new features such as OpenTelemetry (OTEL) support, authentication, new tags, and performance improvements here.
tidyverse.org
January 20, 2026 at 11:43 AM
Speak at posit::conf(2026) and share your R & Python stories!

Accepted speakers get:
✨ Travel & lodging help
✨ Free conference pass
✨ Professional coaching

Apply by Feb 6 to join us Sept 14-16 in Houston, TX!

Submit here: pos.it/conf-talk-2026

#positconf2026 #rstats #pydata
January 15, 2026 at 3:40 PM
Announcing Orbital 0.3.0! 🚀

Transform Scikit-learn pipelines into SQL with even better performance. Version 0.3.0 introduces optimized tree-based models, precomputing repeated logic to make SQL queries up to 3x faster.

Perfect for #MLOps & database-level inference.

🔗 posit.co/blog/orbital...
Accelerating Tree-Based Models in SQL with Orbital 0.3.0 - Posit
Orbital 0.3.0 reduces query size and execution time of tree-based machine learning models in SQL.
posit.co
January 14, 2026 at 3:14 PM