Twin #0286

blog/2025-02-14-twin0286.md

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+---
+title: 'This week in Nushell #286'
+author: The Nu Authors
+author_site: https://nushell.sh
+author_image: https://www.nushell.sh/blog/images/nu_logo.png
+excerpt: 'Some exciting changes this week in main and nightlies include the first drop of a new Custom Attributes feature - Thanks @Bahex!'
+---
+
+# This Week in Nushell #286
+
+Published Friday, 2025-02-14
+
+## Highlights
+
+Happy Valentine's Day from TWiN!
+
+Some exciting changes this week in `main` and nightlies include the first drop of a new Custom Attributes feature - Thanks @Bahex!
+This has been a much anticpiated (and discussed) feature. Attributes can now be defined and assigned to custom commands.
+Custom Attributes are currently being used to attach nicely-formatted examples to the custom commands in the Standard Library (`std`),
+define test cases for the those commands, and even assign new search terms to the help. And there's more to come!
+
+In addition, `std-rfc` has been moved into Nushell-proper (and updated with custom attributes as well). These "early look"/preview
+commands can now be used out-of-the-box with `use std-rfc/<submodule>`.
+
+And those who have already wasted far too much time theming their shell can now also custom-theme the Welcome Banner.
+
+## Nushell
+
+- Bahex
+
+  - [Added custom command attributes](https://github.com/nushell/nushell/pull/14906)
+  - [Made `chunks` easier to discover for binary data](https://github.com/nushell/nushell/pull/15117)
+  - [Fixed scanning tests being affected by user config](https://github.com/nushell/nushell/pull/15113)
+  - [Updated `std-rfc docs` with actual examples](https://github.com/nushell/nushell/pull/15097)
+  - [Implemented `run_const` for `const`](https://github.com/nushell/nushell/pull/15082)
+  - [Exposed constants with `overlay use`](https://github.com/nushell/nushell/pull/15081)
+  - [Retained state in subshells or with exec-restarts in `std/dirs`](https://github.com/nushell/nushell/pull/15080)
+  - [Switched to 0-indexing in `explore`](https://github.com/nushell/nushell/pull/15079)
+  - [Fixed block spans for the `module` keyword](https://github.com/nushell/nushell/pull/15078)
+
+- blindFS
+
+  - [Added hover showing manpages for external commands in LSP](https://github.com/nushell/nushell/pull/15115)
+  - [Fixed inlay hints span issue with user config scripts](https://github.com/nushell/nushell/pull/15071)
+  - [Fixed LSP exit on `null root_dir`](https://github.com/nushell/nushell/pull/15051)
+  - [Refactored variable/cell_path completion to be expression-based](https://github.com/nushell/nushell/pull/15033)
+
+- sholderbach
+
+  - [Reverted `/` vi binding due to priority bug](https://github.com/nushell/nushell/pull/15111)
+  - [Bumped Ubuntu runners to 22.04 LTS for tests](https://github.com/nushell/nushell/pull/15109)
+  - [Bumped yanked dependencies](https://github.com/nushell/nushell/pull/15090)
+  - [Fixed `match` blocks in `std-rfc/kv` implementation](https://github.com/nushell/nushell/pull/15089)
+  - [Bumped `bytesize` to fix `into filesize`](https://github.com/nushell/nushell/pull/15088)
+  - [Refactored/fixed tests affecting the whole command set](https://github.com/nushell/nushell/pull/15073)
+  - [Used `build_target` information in startup banner](https://github.com/nushell/nushell/pull/15046)
+  - [Fixed usages of `fmt` to `format number`](https://github.com/nushell/nushell/pull/15041)
+  - [Triggered tests for patch release branch pushes](https://github.com/nushell/nushell/pull/15037)
+  - [Implemented fuzzing more realistically with keyword const eval](https://github.com/nushell/nushell/pull/15036)
+
+- hustcer
+
+  - [Refactored `kv` commands to replace inline params in SQL queries](https://github.com/nushell/nushell/pull/15108)
+
+- dependabot[bot]
+
+  - [Bumped `data-encoding` from 2.7.0 to 2.8.0](https://github.com/nushell/nushell/pull/15101)
+
+- NotTheDr01ds
+
+  - [Moved `std-rfc` into Nushell](https://github.com/nushell/nushell/pull/15042)
+  - [Updated `std-rfc` tests to use `@test` attributes](https://github.com/nushell/nushell/pull/15098)
+  - [Enabled theming the Welcome Banner](https://github.com/nushell/nushell/pull/15095)
+  - [Added `std-rfc` README](https://github.com/nushell/nushell/pull/15066)
+  - [Fixed `char lsep` assignment](https://github.com/nushell/nushell/pull/15065)
+  - [Added platform-agnostic EoL separator to `char` command](https://github.com/nushell/nushell/pull/15059)
+  - [Removed `--no-default-features` for `std-lib-and-python-virtualenv` CI](https://github.com/nushell/nushell/pull/15045)
+
+- cptpiepmatz
+
+  - [Switched to `proc-macro-error2` from `proc-macro-error`](https://github.com/nushell/nushell/pull/15093)
+  - [Replaced `IoError::new_with_additional_context` calls with proper spans](https://github.com/nushell/nushell/pull/15056)
+
+- WindSoilder
+
+  - [Made plugin compatible with nightly Nushell version](https://github.com/nushell/nushell/pull/15084)
+  - [Fixed "missing required overlay" error](https://github.com/nushell/nushell/pull/15058)
+  - [Allowed `export alias` in REPL](https://github.com/nushell/nushell/pull/15054)
+
+- sgvictorino
+
+  - [Fixed ranges over zero-length input](https://github.com/nushell/nushell/pull/15062)
+  - [Removed `nu-check` examples with the `--all` flag](https://github.com/nushell/nushell/pull/15047)
+
+- 132ikl
+
+  - [Fixed `match` running closures as blocks](https://github.com/nushell/nushell/pull/15032)
+
+- ysthakur
+
+  - [Fixed spread operator lexing in records](https://github.com/nushell/nushell/pull/15023)
+
+- IanManske
+  - [Reworked operator type errors](https://github.com/nushell/nushell/pull/14429)
+
+## Documentation
+
+- Tyarel8
+
+  - [Fixed typo in `custom_commands`](https://github.com/nushell/nushell.github.io/pull/1802)
+
+- NotTheDr01ds
+
+  - [Fixed bad localhost link in TWiN 285](https://github.com/nushell/nushell.github.io/pull/1801)
+  - [Added `def --wrapped` documentation](https://github.com/nushell/nushell.github.io/pull/1792)
+  - [Published This Week in Nushell #285](https://github.com/nushell/nushell.github.io/pull/1791)
+
+- Bahex
+
+  - [Removed mention of `build-string` from `coloring_and_theming.md`](https://github.com/nushell/nushell.github.io/pull/1800)
+
+- Kissaki
+
+  - [Combined command and output code blocks](https://github.com/nushell/nushell.github.io/pull/1799)
+  - [Made code examples executable](https://github.com/nushell/nushell.github.io/pull/1798)
+  - [Fixed code block spacing](https://github.com/nushell/nushell.github.io/pull/1797)
+  - [Fixed typos and CI failure caused by typos](https://github.com/nushell/nushell.github.io/pull/1796)
+  - [Added missing code block language](https://github.com/nushell/nushell.github.io/pull/1795)
+  - [Dropped empty closing line from code blocks](https://github.com/nushell/nushell.github.io/pull/1794)
+
+- massongit
+  - [Fixed typo in Japanese README](https://github.com/nushell/nushell.github.io/pull/1793)
+
+## Nu_Scripts
+
+- hongquan
+
+  - [Updated `toolkit.nu` per removal of `stdlib-candidate`](https://github.com/nushell/nu_scripts/pull/1046)
+  - [Provided completion for git subcommands](https://github.com/nushell/nu_scripts/pull/1044)
+  - [Added autocomplete for "docker image rm"](https://github.com/nushell/nu_scripts/pull/1040)
+
+- hustcer
+
+  - [Fixed `from env` custom command](https://github.com/nushell/nu_scripts/pull/1045)
+
+- NotTheDr01ds
+
+  - [Deprecated the `nu_scripts` version of `stdlib-candidate`](https://github.com/nushell/nu_scripts/pull/1042)
+  - [Added `std-rfc/conversions`](https://github.com/nushell/nu_scripts/pull/1032)
+
+- flying-sheep
+  - [Added subcommand list to `task` module](https://github.com/nushell/nu_scripts/pull/1039)
+
+## reedline
+
+- thomasschafer
+
+  - [Implemented clearing the selection when exiting visual mode](https://github.com/nushell/reedline/pull/878)
+  - [Added Vi `o` command to swap anchor and cursor](https://github.com/nushell/reedline/pull/877)
+
+- deephbz
+  - [Added atomic unified commands for ChangeInside/DeleteInside in Vi-Mode](https://github.com/nushell/reedline/pull/874)
+  - [Implemented vi-mode "Yank" (copy)](https://github.com/nushell/reedline/pull/868)
+  - [Improved Visual Mode Selection and Command Consistency](https://github.com/nushell/reedline/pull/867)