This Week in Nushell #363

Published Friday, 2026-08-14, including PRs merged Friday, 2026-07-31 through Thursday, 2026-08-06.

Nushell

• @Bahex:

  • feat(format duration/filesize): added completions for units (#18783)

• @cacdu:

  • fix(save): gave actionable error when structured data has no serializer (#18773)

• @cptpiepmatz:

  • removed nu! and updated tests (#18776)
  • more updated tests (#18768)

• @fdncred:

  • bumped deps (#18780)
  • updated nushell to latest reedline commit 60d99674 (#18775)
  • fixed math max empty list vs empty string (#18772)
  • fixed color config fallbacks (#18770)
  • improved lex/parse errors (#18702)

• @ian-h-chamberlain:

  • supported CLI args for commandline (nu -c) scripts (#18576)

• @oh-summy:

  • fix(help): documented list input support for hash md5/sha256 (#18638)

• @pheenty:

  • treated empty string as an invalid path in path type (#18785)

• @philocalyst:

  • reworked how completer works (#18761)
  • async prompt updating (#18660)

• @Totara-thib:

  • pinned CI actions to commit SHAs and declared workflow permissions (#18787)

• @app/dependabot:

  • build(deps): bumped http from 1.4.0 to 1.5.0 (#18784)

reedline

• @kronberger-droid:

  • test(editor): kept case-transform selections inside the buffer (#1140)

• @matystroia:

  • feat(vi): added u, U visual mode commands (#1087)

• @sim590:

  • feat(vi): supported deleting chars backward with X (#1067)

Documentation

• @davidpavlovschi:

  • Fixed incorrect claim that a module file cannot match its directory name (#2219)

• @app/dependabot:

  • Bumped postcss from 8.5.16 to 8.5.25 (#2218)
  • Bumped undici from 7.28.0 to 7.29.0 (#2217)
  • Bumped seroval from 1.5.0 to 1.5.6 (#2214)