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Latest Release Platforms Notarized Release Homebrew Cask Sync Security Policy SSH Signed Commits License: Apache 2.0

 

Neon Vision Editor wordmark
Neon Vision Editor accent line

 

Neon Vision Editor Logo

Neon Vision Editor

A native editor for markdown, notes, and code across macOS, iPhone, and iPad.

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

 

Download: GitHub Releases · App Store · TestFlight

Neon Vision Editor macOS light editor with code minimap

Status: active release
Latest release: v0.8.6 Next release target: v0.8.7 Platform target: macOS 26 (Tahoe) compatible with macOS Sequoia Apple Silicon: tested / Intel: not tested Direct GitHub release: v0.8.6 / iOS App Store approved: v0.7.8 / iOS App Store review pending: v0.8.6 / macOS App Store approved: v0.8.5 / macOS App Store review pending: v0.8.6 Last updated (README): 2026-07-12 for latest release v0.8.6

What's New in v0.8.4 and v0.8.5

Why Upgrade

  • v0.8.5: Fixes TestFlight crash reports tied to macOS window restoration callbacks and AppKit delegate forwarding during close/restore flows.
  • v0.8.5: Restores reliable macOS editor text rendering after file load, sidebar toggles, window focus changes, and older macOS layout refreshes.
  • v0.8.5: Expands TypeScript syntax highlighting so modern TypeScript files keep imports, decorators, utility types, async arrows, and property access readable.

v0.8.5 Highlights

  • Hardened the macOS editor and window lifecycle paths while keeping iOS and iPadOS builds unchanged.
  • Added broader TypeScript highlighting coverage with regression tests for decorators, type utilities, async functions, readonly properties, and property access.

v0.8.4 Context

  • v0.8.4: Improves day-to-day editor interaction with toolbar hover labels, stronger find-panel focus, VIM arrow-key navigation, and a more useful macOS sidebar terminal.
  • v0.8.4: Hardens Markdown preview, custom AI endpoint validation, and GitHub Pages deployment so common user workflows are less likely to fail during active editing or release updates.
  • v0.8.4: Stabilizes macOS compatibility follow-up for tab hit testing, release metadata, and post-0.8.3 App Store review cleanup.

v0.8.4 Highlights

  • Added hover labels for toolbar buttons, improved find-panel typing focus and contrast, and expanded VIM normal-mode movement to physical arrow keys.
  • Upgraded the macOS sidebar terminal from single-command execution to a persistent sidebar shell session for common git, npm, node, and docker-style commands.
  • Serialized GitHub Pages deployments so fast successive pushes do not cancel or race active Pages publishes.

Start Here

Start in 60s (Source Build)

  1. git clone https://github.com/h3pdesign/Neon-Vision-Editor.git
  2. cd Neon-Vision-Editor
  3. xcodebuild -project "Neon Vision Editor.xcodeproj" -scheme "Neon Vision Editor" -destination 'platform=macOS,name=My Mac' build
  4. open "Neon Vision Editor.xcodeproj" and run, then use Cmd+P for Quick Open.
For Not For
Fast native editing across macOS, iOS, iPadOS Full IDE workflows with deep refactoring/debugger stacks
Markdown writing and script/config edits with highlighting Teams that require complete Intel Mac validation today
Users who want low overhead and quick file access Users expecting full desktop-IDE parity on iPhone

Table of Contents

Start Here · Release Channels · Core Workflows · Download Metrics · Project Documentation · Features

Release Spotlight · Platform Matrix · Roadmap (Near Term) · Troubleshooting · FAQ · Changelog · Contributing Quickstart · Support & Feedback

Release Channels

Channel Best for Delivery Current status
Stable Direct notarized builds and fastest stable updates GitHub Releases v0.8.6 release docs current; v0.8.6 direct download current
Store Apple-managed install/update flow App Store v0.8.5 public listing current
Beta Early testing of upcoming changes TestFlight Newest beta availability may vary by review state

Download Metrics

All Downloads v0.8.6 Downloads

Release Download + Traffic Trend

GitHub release downloads trend chart

Styled line chart shows per-release totals with 14-day traffic counters for clones and views.

Unique cloners (14d) Unique visitors (14d)

Clone snapshot (UTC) View snapshot (UTC)

Project Documentation

Document Purpose
CHANGELOG.md Full release history and milestone issue coverage
CONTRIBUTING.md Local setup, build, and contribution workflow
PRIVACY.md Privacy guarantees and data-handling policy
SECURITY.md Security policy and responsible disclosure
release/ TestFlight, App Store, and release preflight checklists

Who Is This For?

Best For Why Neon Vision Editor
Quick note takers Fast native startup and low UI overhead for quick edits
Markdown-focused writers Clean editing with quick preview workflows on Apple devices
Developers editing scripts/config files Syntax highlighting + fast file navigation without full IDE complexity

Why This Instead of a Full IDE?

Advantage What It Means
Faster startup Lower overhead for short edit sessions
Focused surface Editor-first workflow without project-system bloat
Native Apple behavior Consistent experience on macOS, iOS, and iPadOS

Download

Prebuilt binaries are available on GitHub Releases.

The direct GitHub release is currently ahead of the App Store version. The App Store version may temporarily lag while updates are in Apple review.

Channel Platform Best For Download Release Track Notes
Stable macOS Direct notarized builds and fastest stable updates GitHub Releases v0.8.6 Current direct download
Store iOS / iPadOS Apple-managed installs and updates Neon Vision Editor on the App Store v0.7.8 Current public App Store listing
Store macOS Apple-managed installs and updates Neon Vision Editor on the App Store v0.8.5 Current public App Store listing
Store Review iOS / iPadOS Upcoming App Store update App Store Connect review v0.8.6 In Apple review
Store Review macOS Upcoming App Store update App Store Connect review v0.8.6 Pending Apple review
Beta iOS / iPadOS / macOS Testing upcoming changes before stable TestFlight Invite v0.8.6 Early access builds for feedback; availability may vary by review state

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

Command line helper

The macOS app bundles an optional nve helper for terminal workflows. Install it only when you want a shell command:

  1. Open Settings > Support.
  2. Copy the Command Line Helper install command.
  3. Run it in Terminal to link the bundled helper into $HOME/bin.
nve README.md
nve --wait --new-window "Neon Vision Editor/UI/ContentView.swift"
nve --line 42 "Neon Vision Editor/UI/ContentView.swift"

Development builds can also link the repository copy:

ln -sf "$PWD/scripts/nve" "$HOME/.local/bin/nve"

Permission model: the helper is optional and user-linked. It calls macOS Launch Services through /usr/bin/open and does not read file contents itself. Neon Vision Editor handles the document-open request inside the sandbox with user-selected read/write file access and security-scoped file access. It does not require Full Disk Access, Accessibility access, administrator permission, background services, or telemetry. See docs/CommandLineHelper.md.

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.

Core Workflows

Project Sidebar Find in Files Markdown Preview Remote Sessions Code Minimap Quick Open

Project Sidebar keeps Files, Search, Diff, Git, and Terminal in one stable surface. Remote Sessions stay opt-in and user-triggered. Markdown Preview keeps style and export in one toolbar flow.

Features

Neon Vision Editor keeps the surface minimal and focuses on fast writing/coding workflows. Platform-specific availability is tracked in the Platform Matrix section below.

Editing Core

Fast Editing Invisible Characters Tabs Syntax Highlighting TeX Support Regex Find Replace Code Minimap Vim Mode

Navigation & Preview

Quick Open Project Sidebar Terminal Sidebar CLI Indexed Search Diff View Markdown Preview Markdown PDF Export Remote Sessions

Platform, Output & Customization

Cross Platform Text Export Code Snapshot Themes iCloud Settings Sync

Safety & Privacy

Safety Safe Mode Privacy

Editing Core

  • Fast loading for regular and large text files with tabbed editing.
  • Broad Swift 6-ready syntax highlighting (including TeX/LaTeX), inline completion with Tab-to-accept, and regex Find/Replace with Replace All.
  • Optional Code Minimap gives a compact file overview and click-to-jump navigation without changing the default editor surface.
  • Invisible-character markers on iPhone and iPad render in a lightweight overlay so spaces, tabs, and newlines stay aligned while scrolling.
  • Optional Vim workflow support and starter templates for common languages.

Navigation & Workflow

  • Quick Open (Cmd+P), project sidebar navigation, and recursive project tree rendering.
  • Files, Search, Diff, and Git share larger card-style sidebar tabs with visible grey inactive states and a consistent 450 pt default width.
  • The macOS project sidebar includes a Terminal tab that keeps output while switching tabs, offers project/home working-directory choices, and provides clear/restart controls.
  • scripts/nve opens files from the terminal and supports --wait, --new-window, and --line compatibility flags.
  • Find in Files keeps results visible on Mac and iPad when a match opens, while replacement targets start unselected by default.
  • Remote Sessions are opt-in: macOS owns SSH-key login and can publish an attach code so iPhone and iPad can browse, open, edit, and explicitly save supported remote text files through the Mac-hosted broker.
  • Project quick actions (Expand All / Collapse All), recent project folders, supported-files-only filtering, and default ignored heavy folders (.git, .build, node_modules, DerivedData).

Settings & Sync

  • Optional iCloud Appearance & Theme Sync keeps appearance, theme colors, custom theme data, formatting toggles, and Markdown preview theme behavior aligned across signed-in devices.
  • Sync status includes the latest local iCloud result and timestamp. Documents, API tokens, remote sessions, and editor contents are not synced.

Compare & Save

  • Native side-by-side diff view for Compare with Disk and Compare Open Tabs workflows, with change navigation.
  • Cross-platform Save As… and Close All Tabs with confirmation.
  • Remote saves are explicit and conflict-aware; if the remote revision changes, the app offers a compare-before-reload path instead of overwriting silently.

Preview, Platform, and Safety

  • Native Markdown preview templates on macOS/iOS/iPadOS plus iPhone bottom-sheet preview.
  • .svg file support via XML mode and bracket helper on all platforms.
  • Markdown and Swift source exports declare their content types correctly on iOS.
  • Unsupported-file open/import safety guards, remote text-file limits, and session restore for previously opened project folder.

Customization & Diagnostics

  • Built-in theme collection: Dracula, One Dark Pro, Nord, Tokyo Night, Gruvbox, and Neon Glow.
  • Grouped settings, optional StoreKit support flow, and AI Activity Log diagnostics on macOS.

Release Spotlight

Release Spotlight GitHub Release Preview Panes

  • iPadOS App Store builds keep terminal and shell-execution entry points macOS-only.
  • GitHub can now create and publish release tags, ZIP, DMG, checksums, and notes from the manual release workflow.
  • SVG and HTML previews open beside source files, and Markdown preview can passively render embedded HTML.
  • No release behavior changes network access, token storage, sandboxing, or telemetry posture.

Architecture At A Glance

flowchart LR
  Mac["Platform: macOS shell (SwiftUI + AppKit bridges)"]
  IOS["Platform: iOS/iPadOS shell (SwiftUI + UIKit bridges)"]
  ACT["App Layer: user actions (toolbar/menu/shortcuts)"]
  VM["App Layer: EditorViewModel (@MainActor state owner)"]
  CMD["App Layer: command reducers (Flux-style mutations)"]
  IO["Core: file I/O + load/sanitize pipeline"]
  HL["Core: syntax highlighting + runtime limits"]
  FIND["Core: find/replace + selection engine"]
  PREV["Core: markdown preview renderer"]
  MINI["Core: code minimap snapshot builder"]
  REMOTE["Core: RemoteSessionStore (opt-in broker + SSH owner)"]
  GIT["Core: GitService (macOS-only shell bridge)"]
  TERM["Core: sidebar terminal runner (macOS-only)"]
  SAFE["Core: unsupported-file safety guards"]
  STORE["Infra: tabs + session restore store"]
  PREFS["Infra: settings + persistence"]
  SEC["Infra: SecureTokenStore (Keychain)"]
  UPD["Infra: release update manager"]

  Mac --> ACT
  IOS --> ACT
  ACT --> VM
  VM --> CMD
  CMD --> STORE
  VM --> IO
  VM --> HL
  VM --> FIND
  VM --> PREV
  VM --> MINI
  VM --> REMOTE
  VM --> GIT
  VM --> TERM
  VM --> SAFE
  VM --> PREFS
  VM --> UPD
  PREFS --> STORE
  IO --> STORE
  VM --> SEC
  REMOTE --> SEC

  classDef platform stroke:#2563EB,stroke-width:3px,fill:transparent,font-family:ui-monospace\, SFMono-Regular\, Menlo\, Monaco\, Consolas\, Liberation Mono\, monospace,font-size:13px;
  classDef app stroke:#059669,stroke-width:3px,fill:transparent,font-family:ui-monospace\, SFMono-Regular\, Menlo\, Monaco\, Consolas\, Liberation Mono\, monospace,font-size:13px;
  classDef core stroke:#EA580C,stroke-width:3px,fill:transparent,font-family:ui-monospace\, SFMono-Regular\, Menlo\, Monaco\, Consolas\, Liberation Mono\, monospace,font-size:13px;
  classDef infra stroke:#9333EA,stroke-width:3px,fill:transparent,font-family:ui-monospace\, SFMono-Regular\, Menlo\, Monaco\, Consolas\, Liberation Mono\, monospace,font-size:13px;

  class Mac,IOS platform;
  class ACT,VM,CMD app;
  class IO,HL,FIND,PREV,MINI,REMOTE,GIT,TERM,SAFE core;
  class STORE,PREFS,SEC,UPD infra;
Loading
  • EditorViewModel is the single UI-facing orchestration point per window/scene.
  • Commands mutate editor state predictably; session/tabs persist through store services.
  • File access and parsing stay off the main thread; UI state changes stay on the main thread.
  • Platform shells stay thin and route interactions into shared app/core services.
  • Remote sessions stay opt-in; macOS owns SSH-key login while iPhone and iPad attach through the Mac-hosted broker.
  • Security-sensitive credentials and SSH-key bookmarks remain in Keychain (SecureTokenStore), not plain prefs.
  • Color key in diagram: blue = platform shell, green = app orchestration, orange = core services, purple = infrastructure.

Full architecture reference: architecture.md. The reference tracks the current Swift 6 cross-platform structure, platform guards, editor rendering paths, performance rules, and release verification workflow.

Architecture principles

  • Keep UI mutations on the main thread (@MainActor) and heavy work off the UI thread.
  • Keep window/scene state isolated to avoid accidental cross-window coupling.
  • Keep security defaults strict: tokens in Keychain, no telemetry by default.
  • Keep platform wrappers thin and push shared behavior into common services.

Platform Matrix

Most editor features are shared across macOS, iOS, and iPadOS.

Shared Across All Platforms

  • Fast text editing with syntax highlighting.
  • Markdown preview templates (Default, Docs, Article, Compact).
  • Project sidebar with supported-files filter and larger card-style tabs; Git and Terminal are macOS-only.
  • Unsupported-file safety alerts.
  • SVG (.svg) support via XML mode.
  • Close All Tabs with confirmation.
  • Bracket helper and grouped Settings cards.
  • Optional remote attach clients on iPhone and iPad when a Mac-hosted broker session is active.
  • Cross-platform release gate covers macOS, iOS Simulator, and iPad Simulator builds.

Platform-Specific Differences

Capability macOS iOS iPadOS Notes
Quick Open
Cmd+P
Full Limit Full iOS needs a hardware keyboard
for shortcut-driven flow.
Project Sidebar Tabs
v0.6.9
Full Compact Full Files/Search/Diff/Git use larger card targets;
regular-width sidebar defaults to 450 pt.
Find in Files
v0.6.8-v0.6.9
Sidebar Sheet Sidebar Mac/iPad results stay open when opening a match;
replacement targets start unselected.
Invisible Characters
v0.6.9
Native Overlay Overlay iPhone/iPad markers draw in a lightweight viewport overlay
to stay aligned while scrolling.
Line Wrap Default
v0.8.2
On New Installs On New Installs On New Installs Fresh installs start with wrapping enabled;
existing preferences are preserved everywhere.
No-Wrap Long Lines
v0.7.8
Horizontal Horizontal Horizontal Long lines continue through horizontal scrolling
instead of clipping at the right edge.
Cursor Status
v0.7.8
Live Live Live Status bar line/column updates after edits,
caret movement, scrolling, and line jumps.
Code Minimap Opt In Opt In Opt In Disabled by default; supported languages show
a compact overview and click-to-jump navigation.
Bracket Helper Toolbar Kbd Bar Kbd Bar Same behavior across platforms;
only the UI surface differs.
Markdown Preview Inline Sheet Inline Interaction adapts to screen size
and platform input model.
Diff Workflows
v0.6.8-v0.6.9
Inline Compact Inline iPhone uses compact sidebar/sheet presentation;
Mac/iPad keep stable sidebar width.
Git Sidebar
v0.6.7+
Available N/A N/A Git uses a macOS-only service because it shells out
to the local Git executable.
Remote Sessions SSH Owner Broker Client Broker Client Off by default. Mac starts the SSH session;
iPhone/iPad attach with a code for browse/open/explicit save.
Save As / Text Export
v0.6.9
Native Exporter Exporter iOS/iPadOS export declares Markdown and Swift source
content types for text saves.

Trust & Reliability Signals

More release integrity details: Release Integrity

Platform Gallery

macOS

Neon Vision Editor macOS light editor with symbol sidebar
Light editor workspace with symbol navigation
Neon Vision Editor macOS wide light editor workspace
Wide light editor workspace with toolbar actions
Neon Vision Editor macOS compact light editor workspace
Compact light editor workspace with focused code view
Neon Vision Editor macOS light editor with code minimap
Light editor workspace with code minimap

iPad

iPad editor in light mode
Project navigation and editing workflow on iPad
iPad editor in dark mode
Markdown preview workflow in the editor context

iPhone

iPhone editor screenshot in light mode with syntax highlighting and keyboard bar
Editing workflow with syntax highlighting and accessory bar
iPhone editor screenshot with dark overflow menu open
Overflow menu actions in the editor workflow
iPhone markdown preview screenshot in dark mode with export controls
Markdown preview sheet with template, PDF mode, and export action
iPhone theme colors editor screenshot in light mode
Theme color editing on iPhone

Release Train

Track Current Focus Status
Stable direct download v0.8.5 notarized GitHub release Current
App Store rollout Public v0.8.0, v0.8.1 prepared for review follow-up Preparing App Store review follow-up
Post-0.8 stabilization Crash triage, docs freshness, platform polish, App Store/Xcode Cloud release checks Next patch train
Larger workflow work Remote workflow hardening, minimap polish, project navigation refinements Later v0.8+ work

Roadmap (Near Term)

Now Next Later

Now (v0.8.5)

  • v0.8.5 focuses on editor interaction polish, Markdown preview stability, local custom AI endpoints, sidebar terminal improvements, and release workflow hardening. Tracking: Release v0.8.5

Next (v0.8.6)

  • v0.8.6 targets post-0.8.5 stabilization: App Store review follow-up, README/release metadata freshness, preview polish, and small cross-platform editor fixes. Tracking: Milestones

Later (v0.8+)

  • v0.8+ larger workflow expansion after the current cross-platform editor baseline is verified, with remote workflows and navigation surfaces kept opt-in until they are fully hardened.

Known Issues

Troubleshooting

  1. App blocked on first launch: use Gatekeeper steps above in Privacy & Security.
  2. Markdown preview not visible: use the preview action from an open Markdown file; iPhone presents preview in a sheet, while macOS and iPadOS can show it inline.
  3. Shortcut not working on iOS: connect a hardware keyboard for shortcut-based flows like Cmd+P.
  4. Sidebar/layout feels cramped on iPad: switch orientation or close side panels before preview.
  5. Settings feel off after updates: quit/relaunch app and verify current release version in Settings.
  6. Remote connection refused on a local Mac target: enable System Settings > General > Sharing > Remote Login, then start the Remote session again.

Configuration

  • Theme and appearance: Settings > Designs
  • Appearance/theme iCloud sync: Settings > Allgemein/General > Window
  • Editor behavior (font, line height, wrapping, snippets, minimap): Settings > Editor
  • Startup/session behavior: Settings > Allgemein/General
  • Remote sessions: Settings > Mehr/More > Remote or Settings > Remote on wider layouts
  • Support and purchase options: Settings > Mehr/More (platform-dependent)

FAQ

  • Does Neon Vision Editor support Intel Macs?
    Intel is currently not fully validated. If you can help test, see Help wanted: Intel Mac test coverage.
  • Can I use it offline?
    Yes for core editing. Network is only used for explicit actions such as selected AI providers, update checks, GitHub release downloads, or opt-in Remote Sessions.
  • Do I need AI enabled to use the editor?
    No. Core editing, navigation, and preview features work without AI.
  • Where are tokens stored?
    In Keychain via SecureTokenStore, not in UserDefaults.

Keyboard Shortcuts

All shortcuts use Cmd (). iPad/iOS require a hardware keyboard.

All macOS

File

ShortcutActionPlatforms
Cmd+NNew WindowmacOS
Cmd+TNew TabAll
Cmd+OOpen FileAll
Cmd+Shift+OOpen FoldermacOS
Cmd+SSaveAll
Cmd+Shift+SSave As...All
Cmd+WClose TabmacOS + iPadOS

Edit

ShortcutActionPlatforms
Cmd+XCutAll
Cmd+CCopyAll
Cmd+VPasteAll
Cmd+ASelect AllAll
Cmd+ZUndoAll
Cmd+Shift+ZRedoAll
Cmd+DAdd Next MatchmacOS

View

ShortcutActionPlatforms
Cmd+Option+SToggle SidebarAll
Cmd+Shift+DBrain Dump ModemacOS

Find

ShortcutActionPlatforms
Cmd+FFind & ReplaceAll
Cmd+GFind NextmacOS
Cmd+Shift+FFind in FilesmacOS + iPadOS

Editor

ShortcutActionPlatforms
Cmd+PQuick OpenmacOS + iPadOS
Cmd+LGo to LinemacOS + iPadOS
Cmd+Shift+JGo to SymbolmacOS + iPadOS
Cmd+Shift+VToggle Vim
Mode
macOS

Tools Diag

ShortcutActionPlatforms
Cmd+Shift+GSuggest CodemacOS
Cmd+Shift+LAI Activity LogmacOS
Cmd+Shift+UInspect whitespace
at caret
macOS

Changelog

Latest stable: v0.8.5 (2026-07-08)

Recent Releases (At a glance)

Version Date Highlights Fixes Breaking changes Migration
v0.8.5 2026-07-08 Hardened the macOS editor and window lifecycle paths while keeping iOS and iPadOS builds unchanged; broader TypeScript highlighting coverage with regression tests for decorators, type utilities, async functions, readonly properties, and property access Removed unsafe generic NSWindowDelegate forwarding from the macOS close-confirmation bridge and explicitly forwards restoration callbacks instead; Coalesced macOS text-view display refreshes onto the next main-runloop turn so layout invalidation does not run inside AppKit layout observation; Refreshed visible editor glyph display after geometry and app/window activation changes to avoid blank text after sidebar or focus transitions None noted None required
v0.8.4 2026-07-06 hover labels for toolbar buttons, improved find-panel typing focus and contrast, and expanded VIM normal-mode movement to physical arrow keys; Upgraded the macOS sidebar terminal from single-command execution to a persistent sidebar shell session for common git, npm, node, and docker-style commands; Serialized GitHub Pages deployments so fast successive pushes do not cancel or race active Pages publishes custom AI provider validation so localhost endpoints can be used intentionally while public remote endpoints still require HTTPS; Coalesced Markdown preview reloads to reduce redundant refreshes during active typing and avoid avoidable WebView churn; Stabilized the sidebar terminal shell startup by avoiding interactive-shell assumptions in the pipe-backed implementation None noted None required
v0.8.3 2026-07-02 GitHub Flavored Markdown as the default preview mode while keeping CommonMark compatibility available; Markdown code-block language controls and syntax highlighting with theme-aware, higher-contrast colors; Enabled line wrap by default for new installs across supported platforms while preserving existing user preferences; Reduced editor/preview update overhead so Markdown edits and preview refreshes stay responsive during active typing Markdown preview crashes when editing heading markers, changing fenced-code language state, or re-rendering malformed intermediate Markdown; Markdown preview text sizing on iPad so preview text tracks the editor font size instead of rendering noticeably larger; first-open Settings placement and macOS Settings window sizing so theme controls, preview cards, and Markdown Preview settings fit without clipping None noted None required

Known Limitations

  • Intel Mac support is not fully validated yet.
  • Vim mode is intentionally lightweight, not full Vim emulation.
  • iPhone and iPad workflows still offer a smaller feature set 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.
  • Remote Sessions are opt-in and user-triggered; when enabled, broker payloads are encrypted and SSH-key bookmarks stay in Keychain.
  • Security policy and reporting details: SECURITY.md.
  • New repository commits are SSH-signed; older historical commits may still predate commit signing.
  • Local SSH-signature verification in this clone can use the repo-scoped .git_allowed_signers file.

Release Integrity

  • Tag: v0.8.5
  • Tagged commit: release tag target
  • Verify local tag target:
git rev-parse --verify v0.8.5
  • Verify downloaded artifact checksum locally:
shasum -a 256 <downloaded-file>
  • Verify local SSH commit signatures in this clone:
git config --local gpg.ssh.allowedSignersFile .git_allowed_signers
git log --show-signature -1

Release Policy

  • Stable: tagged GitHub releases intended for daily use.
  • Beta: TestFlight builds may include in-progress UX and platform polish.
  • Cadence: fixes/polish can ship between minor tags, with summary notes mirrored in README and CHANGELOG.md.

Requirements

App Runtime

  • Designed and tested for macOS 26 (Tahoe), with compatibility work for macOS 15 Sequoia.
  • Xcode deployment target: macOS 15.0; iOS/iPadOS 18.6.
  • Apple Silicon recommended

Build Requirements

  • Xcode with the macOS 26 SDK/toolchain for current release assets and icon payloads.
  • iOS and iPadOS simulator runtimes installed in Xcode for cross-platform verification

Build from source

If you already completed the Start in 60s (Source Build), you can open and run directly from Xcode.

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

Contributing Quickstart

Contributor guide: CONTRIBUTING.md

  1. Fork the repo and create a focused branch.
  2. Implement the smallest safe diff for your change.
  3. Build on macOS first.
  4. Run cross-platform verification script.
  5. Open a PR with screenshots for UI changes and a short risk note.
  6. Link to related issue/milestone and call out user-visible impact.
git clone https://github.com/h3pdesign/Neon-Vision-Editor.git
cd Neon-Vision-Editor
xcodebuild -project "Neon Vision Editor.xcodeproj" -scheme "Neon Vision Editor" -destination 'platform=macOS,name=My Mac' build

Lock-safe cross-platform verification (sequential macOS + iOS Simulator + iPad Simulator):

scripts/ci/build_platform_matrix.sh

Support & Feedback

Feedback Pulse

Share what works well and what should improve for both the app and the README.

Open Positive Feedback   Open Negative Feedback

Share positive feedback  ·  Share negative feedback

Support Neon Vision Editor

Keep it free, sustainable, and improving.

Buy Me a Coffee Support on Patreon Support via PayPal

  • Neon Vision Editor will always stay free to use.

  • No subscriptions and no paywalls.

  • Keeping the app alive still has real costs: Apple Developer Program fee, maintenance, updates, and long-term support.

  • Optional Support Tip (Consumable): $4.99 and can be purchased multiple times.

  • Your support helps cover Apple developer fees, bug fixes and updates, future improvements and features, and long-term support.

  • Thank you for helping keep Neon Vision Editor free for everyone.

  • In-app support tip: Settings > Mehr/More (platform-dependent)

  • External support: Buy Me a Coffee

  • External support: Patreon

  • h3p apps portal for docs, setup guides, and release workflows: >h3p apps

  • External support: PayPal

Creator Sites

h3p.me Photography apps-h3p.com Product Hub

Git hooks

To auto-increment Xcode CURRENT_PROJECT_VERSION on every commit:

scripts/install_git_hooks.sh

Changed License

Neon Vision Editor is licensed under the Apache License, Version 2.0. See LICENSE.

The project moved to Apache-2.0 because it keeps the same permissive open-source model while adding an explicit patent grant and patent-termination protection for contributors and downstream users. This better matches a developer tool that may receive contributions, integrations, and commercial redistribution over time.

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Neon Vision Editor - A lightweight, modern code & text editor for macOS built for speed, readability, and automatic syntax highlighting — minimal by design, with fast file access and a focused editing experience.

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