httpuv
httpuv ships almost nothing, which is what you want from the web server under Shiny
Comparison · DevOps
withr vs zip
A side-by-side editorial comparison of withr and zip — release velocity, themes, recent moves, and the top alternatives to consider.
withr vs zip: at a glance
What is withr?
withr rebuilt defer() on base R's own on.exit(), and got much faster for it
withr provides the with_ and local_ functions that temporarily change global state and restore it on exit - the cleanup primitive under most of the tidyverse test suites. Version 3.0.0 reimplemented defer() as a thin wrapper over base::on.exit(), which the maintainers made possible by contributing the required arguments to R 3.5 itself. Everything since has been small correctness work.
What is zip?
zip 3.0 added encryption, turning a plumbing package into a complete archive tool.
zip creates and extracts archives from R without depending on external tools. Its 2.x line was incremental — a type column in zip_list(), symlink handling on Unix, hidden shared-library symbols. Version 3.0.0 changed the package's shape by adding password-protected archives and vectorized extraction.
withr vs zip: editorial side-by-side
withr
0.0DEVOPS
withr rebuilt defer() on base R's own on.exit(), and got much faster for it
◆ Current state
withr provides the with_ and local_ functions that temporarily change global state and restore it on exit - the cleanup primitive under most of the tidyverse test suites. Version 3.0.0 reimplemented defer() as a thin wrapper over base::on.exit(), which the maintainers made possible by contributing the required arguments to R 3.5 itself. Everything since has been small correctness work.
◆ Where it's heading
The arc here is a package pushing its own machinery down into base R and then living off the result. Once defer() became on.exit(), the remaining work is about where cleanup is allowed to happen - knitr documents, source() calls, the global environment, session end - and about restoring state correctly when an expression exits early. Releases are now infrequent and CRAN-driven.
◆ Prediction
Expect continued low-volume releases fixing edge cases in where deferred handlers run; with the core delegated to base R, there is little left that would prompt a larger change.
zip
2.5DEVOPS
zip 3.0 added encryption, turning a plumbing package into a complete archive tool.
◆ Current state
zip creates and extracts archives from R without depending on external tools. Its 2.x line was incremental — a type column in zip_list(), symlink handling on Unix, hidden shared-library symbols. Version 3.0.0 changed the package's shape by adding password-protected archives and vectorized extraction.
◆ Where it's heading
Development is moving from listing and extracting toward parity with what users expect of a general archive utility: encryption schemes including WinZIP AES-256, an encryption column so an archive can be inspected before extraction, and thread counts that respect the session's Ncpus setting. The 3.0.x releases since are consolidation on that new surface.
◆ Prediction
Expect continued refinement of the encryption and threading paths, with remaining symlink and permission edge cases on Unix the most likely source of the next fixes.
Alternatives to withr and zip
Other DevOps products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either withr or zip.
promises
promises drops R6 for plain environments and wires async work into OpenTelemetry
htmltools
htmltools spends three releases walking back its own fill-layout opinions
xml2
xml2 relicensed to MIT, then moved its hot accessors from S3 into C
httr
httr's last releases are housekeeping - the package now points users at httr2
magrittr
magrittr rewrote its pipe in C, then base R shipped one and the releases stopped
Recent activity from withr and zip
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 8d agozipzip 3.0.2 handles symlinks whose targets extract later
- 1mo agozipzip 3.0.1 renames the progress option and respects Ncpus
- 1mo agowithrlocal_seed() actually preserves the seed now
- 2mo agozipzip 3.0.0 adds AES-256 password-protected archives ⚡
- 1y agozipzip 2.3.3 creates symbolic links correctly on Unix
- 1y agozipzip 2.3.2 returns a tibble from zip_list()
- 1y agowithrlocal_language() no longer warns when set to C
- 2y agozipzip 2.3.1 hides shared library symbols to avoid clashes
- 2y agowithrdefer() becomes a thin wrapper over base::on.exit() ⚡
- 4y agowithrCleanup works inside Rmd and source(); with_() gains a getter
- 4y agowithrNew maintainer; handlers run at session end
- 5y agowithrlocal_options() can set NULL; with_seed() controls RNG kind
Frequently asked questions
What is the difference between withr and zip?
They serve adjacent needs but don't currently overlap on shipped themes. zip is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is withr better than zip?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. zip is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other DevOps products to evaluate alongside.
What are the best alternatives to withr?
Top withr alternatives in DevOps are ranked by recent ship velocity. Browse the "withr alternatives" section above for the current picks, or visit /alternatives/withr for the full list with editorial commentary on each.
What are the best alternatives to zip?
Top zip alternatives in DevOps are ranked by recent ship velocity. Browse the "zip alternatives" section above for the current picks, or visit /alternatives/zip-r for the full list with editorial commentary on each.