TWiN 349 (#2160)

Author: NotTheDr01ds

blog/2026-05-01-twin0349.md

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+---
+title: 'This week in Nushell #349'
+author: The Nu Authors
+author_site: https://nushell.sh
+author_image: https://www.nushell.sh/blog/images/nu_logo.png
+excerpt: 'PRs and activity for Nushell the week ending Thursday, 2026-04-30'
+---
+
+# This Week in Nushell #349
+
+Published Friday, 2026-05-01, including PRs merged Friday, 2026-04-24 through Thursday, 2026-04-30.
+
+## Nushell
+
+- @ayax79:
+
+  - [removed claude settings and ignored them (#18145)](https://github.com/nushell/nushell/pull/18145)
+  - [added even more polars selectors (#18120)](https://github.com/nushell/nushell/pull/18120)
+  - [added additional polars selectors: ends-with, alpha, and alphanumeric (#18114)](https://github.com/nushell/nushell/pull/18114)
+
+- @pyz4:
+
+  - [added default --on-cols value for pivot when not specified (#18140)](https://github.com/nushell/nushell/pull/18140)
+
+- @fdncred:
+
+  - [improved argument handling for untyped rest parameters (#18131)](https://github.com/nushell/nushell/pull/18131)
+  - [refactored `from md` with `--verbose` for full AST and defaulting to a reduced mode (#18107)](https://github.com/nushell/nushell/pull/18107)
+
+- @Bahex:
+
+  - [refactored tests to avoid format! (#18127)](https://github.com/nushell/nushell/pull/18127)
+  - [fixed `Rename` events in `watch` (#18115)](https://github.com/nushell/nushell/pull/18115)
+  - [added `test_table!` macro for easier writing of tests and examples (#18098)](https://github.com/nushell/nushell/pull/18098)
+  - [refactored parser parameter type and string interpolation (#18095)](https://github.com/nushell/nushell/pull/18095)
+
+- @colinmparker:
+  - [(#17448) updated label and help text on CantFindCol error (#18108)](https://github.com/nushell/nushell/pull/18108)
+
+## nufmt
+
+- @fdncred:
+  - [preserved parentheses in if-call expressions and added related tests (#177)](https://github.com/nushell/nufmt/pull/177)
+  - [improved organization, added more documentation, and applied DRY principle (#175)](https://github.com/nushell/nufmt/pull/175)
+  - [enhanced formatting options and added tests for margin behavior and alias invocation (#174)](https://github.com/nushell/nufmt/pull/174)
+  - [added support for alias command formatting and preserved comment spacing (#170)](https://github.com/nushell/nufmt/pull/170)
+
+## Nu_Scripts
+
+- @NotTheDr01ds:
+
+  - [formatted TWiN using Deepseek V4 Flash (#1251)](https://github.com/nushell/nu_scripts/pull/1251)
+
+- @Abdillah:
+  - [added diff completion for modified files in git (#1250)](https://github.com/nushell/nu_scripts/pull/1250)
+
+## Documentation
+
+- @NotTheDr01ds:
+  - [published TWiN 348 (#2159)](https://github.com/nushell/nushell.github.io/pull/2159)