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Neon Vision Editor

Neon Vision Editor Logo

A lightweight, modern editor focused on speed, readability, and automatic syntax highlighting.

Minimal by design: quick edits, fast file access, no IDE bloat.

Release Download: GitHub Releases

Status: active release
Latest release: v0.4.8 Platform target: macOS 26 (Tahoe) compatible with macOS Sequoia Apple Silicon: tested / Intel: not tested

Download

Prebuilt binaries are available on GitHub Releases.

  • Latest release: v0.4.8
  • Architecture: Apple Silicon (Intel not tested)
  • Notarization: is finally there

Getting Started (30 Seconds)

  1. Install using curl or Homebrew (below), or download the latest .zip/.dmg from Releases.
  2. Move Neon Vision Editor.app to /Applications.
  3. Launch the app.
  4. Open a file with Cmd+O.
  5. Use Cmd+P for Quick Open and Cmd+F for Find & Replace.
  6. Toggle Vim mode with Cmd+Shift+V if needed.

Install

Quick install (curl)

Install the latest release directly:

curl -fsSL https://raw.githubusercontent.com/h3pdesign/Neon-Vision-Editor/main/scripts/install.sh | sh

Install without admin password prompts (user-local app folder):

curl -fsSL https://raw.githubusercontent.com/h3pdesign/Neon-Vision-Editor/main/scripts/install.sh | sh -s -- --appdir "$HOME/Applications"

Homebrew

brew tap h3pdesign/tap
brew install --cask neon-vision-editor

Tap repository: h3pdesign/homebrew-tap

If Homebrew asks for an admin password, it is usually because casks install into /Applications. Use this to avoid that:

brew install --cask --appdir="$HOME/Applications" neon-vision-editor

Gatekeeper (macOS 26 Tahoe)

If macOS blocks first launch:

  1. Open System Settings.
  2. Go to Privacy & Security.
  3. In Security, find the blocked app message.
  4. Click Open Anyway.
  5. Confirm the dialog.

Features

  • Fast loading for regular and large text files.
  • Tabbed editing with per-file language support.
  • Automatic syntax highlighting for many languages and formats.
  • Optional support purchase flow (StoreKit 2) in Settings. (NEW in v0.4.5)
  • Cross-platform theme settings panel with improved settings organization. (NEW in v0.4.5)
  • Inline code completion with Tab-to-accept ghost suggestions.
  • Starter templates for all languages with one-click insert.
  • Document-type handling for .plist, .sh, and general text so Finder/iOS can route those files straight into the editor.
  • Toolbar Map card in the welcome tour now scales to fill a taller inner frame, keeping the button cards inside the border.
  • Regex Find/Replace with Replace All.
  • Project tree sidebar plus Quick Open (Cmd+P).
  • Optional Vim mode (basic normal/insert workflow).
  • Multi-window workflow with focused-window commands.
  • Native Swift/AppKit editor experience.
  • No telemetry.

Neon Vision Editor App

Keyboard Shortcuts

Shortcut Action
Cmd+N New Window
Cmd+T New Tab
Cmd+O Open File
Cmd+S Save
Cmd+W Close Tab
Cmd+P Quick Open
Cmd+F Find & Replace
Cmd+Shift+V Toggle Vim Mode
Cmd+Option+S Toggle Sidebar
Cmd+Option+L Toggle Line Wrap
Cmd+Shift+D Toggle Brain Dump Mode
Tab Accept code completion (when shown)

Changelog

v0.4.8 (summary)

  • TODO
  • TODO
  • TODO

v0.4.7 (summary)

  • Indentation-based scope detection fallback for Python/YAML to render scoped-region and guide markers when bracket-only matching is not sufficient.
  • Release workflow compatibility fallback for doc validation (grep-based checks), so release jobs no longer depend on rg being preinstalled on runners.
  • Scope/bracket highlighting stability by dropping stale asynchronous highlight passes and applying only the latest generation.
  • Visibility of matched bracket tokens and scope guide markers for easier detection on iOS and macOS.
  • Settings window opening/persistence path now uses the native Settings scene behavior, avoiding custom frame persistence conflicts.

v0.4.6 (summary)

  • Added self-hosted notarized release workflow and icon payload preflight checks for AppIcon assets.
  • Improved release tooling and Welcome Tour automation so release notes are generated from changelog sections during release prep.
  • Fixed support purchase test bypass visibility in distributed builds and restored AppIcon.icon mapping in release packaging.

v0.4.5 (summary)

  • Optional support purchase flow (StoreKit 2) with a dedicated Settings -> Support tab.
  • Local StoreKit testing file (SupportOptional.storekit) and App Store review notes (docs/AppStoreReviewNotes.md).
  • New cross-platform theme settings panel and iOS app icon asset catalog set.
  • Settings architecture cleanup: editor options consolidated into Settings dialog/sheet and aligned with toolbar actions.
  • Language detection and syntax highlighting stability for newly opened tabs and ongoing edits.

v0.4.4-beta (summary)

  • Added inline code completion ghost text with Tab-to-accept behavior.
  • Added starter templates for all languages and a toolbar insert button.
  • Improved language detection and mapping, including C and C# recognition.
  • Updated welcome tour with release highlights and a full toolbar/shortcut guide.
  • Added language detection tests and a standalone test target.

v0.4.3-beta (summary)

  • Added syntax highlighting for COBOL, Dotenv, Proto, GraphQL, reStructuredText, and Nginx.
  • Added extension and dotfile mapping for .cob, .cbl, .cobol, .env*, .proto, .graphql, .gql, .rst, and .conf.
  • Added language picker entries for the new languages across toolbar and command menus.
  • Added sample fixtures for manual verification of new language detection and highlighting.
  • Finder/Open With now opens files in the active window when available.
  • Added macOS document-type registration for supported extensions.

v0.4.2-beta (summary)

  • Fixed toolbar/menu actions to target the active window only.
  • Fixed multi-window command routing to use the focused window model.
  • Unified persistence behavior for Brain Dump and translucent window toggles.
  • Removed duplicate Cmd+F binding conflict in toolbar wiring.
  • Added syntax highlighting support for vim, log, and ipynb.
  • Added extension-based auto-detection for .vim, .log, .ipynb, and .vimrc.

v0.4.1-beta (summary)

  • App Store security and distribution readiness updates.
  • Added release/distribution documentation and checklist updates.

Full release history: CHANGELOG.md

Known Limitations

  • Intel Macs are not fully validated.
  • Vim support is intentionally basic (not full Vim emulation).
  • iOS/iPad editor functionality is still more limited than macOS.

Privacy & Security

  • Privacy policy: PRIVACY.md.
  • API keys are stored in Keychain (SecureTokenStore), not UserDefaults.
  • Network traffic uses HTTPS.
  • No telemetry.
  • External AI requests only occur when code completion is enabled and a provider is selected.
  • Security policy and reporting details: SECURITY.md.

Release Integrity

  • Tag: v0.4.8
  • Tagged commit: TBD
  • Verify local tag target:
git rev-parse --verify v0.4.8
  • Verify downloaded artifact checksum locally:
shasum -a 256 <downloaded-file>

Requirements

  • macOS 26 (Tahoe)
  • Xcode compatible with macOS 26 toolchain
  • Apple Silicon recommended

Build from source

git clone https://github.com/h3pdesign/Neon-Vision-Editor.git
cd Neon-Vision-Editor
open "Neon Vision Editor.xcodeproj"

Git hooks

To auto-increment Xcode CURRENT_PROJECT_VERSION on every commit:

scripts/install_git_hooks.sh

Support

If you want to support development:

License

Neon Vision Editor is licensed under the MIT License. See LICENSE.