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How to edit a large codebase in a fast native editor with Wu

Open a big project in a native, Rust-built editor that stays responsive on large views.

Remote script. The one-line installer pipes a remote script into sh, so review it or use the manual download links first.

Who it is forA developer working in a large repository who finds their current editor slow to open or sluggish when scrolling.

The problemHeavy editors can lag on large projects and large files, which slows down every edit.

The outcomeThe project opens in Wu and large files stay responsive while you browse and edit.

What you need first

  • A desktop computer running macOS, Linux, or Windows
  • Permission to install a desktop app
  • Optional: access to Claude Code or Codex for the agent use case

Steps

  1. Download Wu from the Download section for your platform, or on macOS or Linux run curl -fsSL https://wu.dstrml.org/install.sh | sh.
  2. Read the install script in your browser before running it, or use the manual download links instead.
  3. Open your project folder in Wu using its open-folder command. (inferred, check the README)
  4. Browse the project tree and open a large file to check that it loads without visible delay.
  5. Read the docs at https://wu.dstrml.org for settings and further setup.

Prompt for your agent

Using the dstrml/wu repo, install Wu on this machine and open <project-path> in it. Expected output: the project tree visible in the Wu editor. Verify that a large file in the project opens without visible delay.

Caveat. Wu is a fork of Zed, and the README points to the Zed development docs for building from source.

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