Recreating Septa Transit Timetables in Python

Michael Chow, Rich Iannone

Outgrowing your laptop with R and Positron

R-Ladies Abuja has posted a recording of a recent talk on Positron, and you can find it here!

Julia Silge

PDF Accessibility and Standards

Quarto 1.9 brings PDF accessibility and standards support, building on new tagging features in LaTeX and Typst

Gordon Woodhull

Rapp 0.3.0

Rapp is an R front-end (like Rscript) that turns simple scripts into polished CLIs, with automatic argument parsing, generated help, and support for commands and installable launchers

Tomasz Kalinowski

mirai 2.6.0

mirai 2.6.0 brings an HTTP launcher for cloud and Posit Workbench, a C-level dispatcher for near-zero overhead task dispatch, and new tools for racing and debugging async tasks

Charlie Gao

`dplyr::if_else()` and `dplyr::case_when()` are up to 30x faster

dplyr 1.2.0 comes with much faster and more memory efficient `if_else()` and `case_when()` functions!

Davis Vaughan

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

Charlie Gao

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 replacing functions!

Davis Vaughan

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

Tomasz Kalinowski

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!

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

Thomas Lin Pedersen

orbital 0.4.0

orbital 0.4.0 is on CRAN! orbital now has post processing support

Emil Hvitfeldt

yaml12: YAML 1.2 for R and Python

We’re pleased to announce two new YAML 1.2 packages: `yaml12` for R and `py-yaml12` for Python. Both are implemented in Rust and designed for fast, predictable YAML 1.2 parsing, with safe opt-in tag handling and document stream support

Tomasz Kalinowski

tidymodels & xgboost

The tidymodels ecosystem is prepared for big xgboost CRAN release

Emil Hvitfeldt

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

tidypredict 1.0.0

tidypredict 1.0.0 brings faster computations for tree-based models, more efficient tree representations, glmnet model support, and a change in how random forests are handled

Emil Hvitfeldt

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

posit::conf(2025) Quarto talks

Videos of talks from posit::conf(2025) are posted, and you can find them all here!

Andrew Holz

Two New tidymodels Packages

Two new tidymodels packages focus on supervised feature selection

Frances Lin, Max Kuhn

Tool Calling UI in shinychat

Rich tool calling displays are now available in shinychat!

Garrick Aden-Buie, Carson Sievert, Barret Schloerke