Homepage on Yihui Xie | 谢益辉

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint. kable() is deliberately minimal—it makes a simple table and gets out of your way, and if you want fancy tables, y…

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint. knitr’s chunk cache is one of those features that may have quietly saved you hours.

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint.

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint.

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint. knitr’s sql engine lets you write a SQL query in a code chunk, run it against a DBI connection, and drop the resu…

Note This is one of a few posts on new features from a recent four-day knitr triage sprint; see that post for the full details of the sprint.

After knitr v1.52 went to CRAN on 2026-09-06, I did something I don’t do often but have been hoping to do: I sat down and worked through the GitHub issue tracker more or less top to bottom.

For two and a half years, from January 2024 to June 2026, Posit paid me as a contractor to maintain the R Markdown ecosystem (rmarkdown, knitr, bookdown, blogdown, pagedown, etc.).

It’s been a long while since I announced updates in knitr last time, so I’m writing this post to cover notable changes in knitr v1.46–v1.52.

Back in 2022, I promised that R Markdown wouldn’t die.

After writing about 20 R packages, I found I had accumulated several utility functions that I used[…] https://yihui.org/xfun/

Recently I have released a new package on CRAN: lt, short for lightweight tables (or less than).

After being a member of Stack Overflow for more than 15 years, I have finally decided to leave it behind.

Back in 2013, I wrote about testing R packages when I first released testit.

My former colleague Nan kept telling me early last year that I should try Cursor, but I felt I didn’t need AI assistance at that time, since I knew pretty well what I wanted to do and how.

A few weeks ago I added preliminary support for Typst to knitr.

Update on 2026/04/20 Here is a tribute written by Professor Jan Vitek, which included much richer information about Tomas: https://prl-prg.github.io/tomas-kalibera.html I hate writing yet another RIP post, but the other day, I learned on Bluesky that Tomas