ClashFX vs ClashX: Core Differences, Config Paths & Migration

Published on 2026-03-01 · Last updated 2026-11-11

Development Status & Project Background

For years, ClashX was the benchmark proxy utility for macOS users. However, following the archive of the upstream Clash open-source repository and the discontinuation of Clash Premium, legacy ClashX ceased active protocol maintenance. The legacy ClashX website remains available to provide historical downloads, documentation, and troubleshooting archives.

Current active development focus is centered on ClashFX. ClashFX is built from the ground up for modern macOS versions, featuring native Apple Silicon optimization and integration with the mihomo (Clash Meta) core engine.

Detailed Comparison: ClashFX vs. Legacy ClashX

The following table summarizes the structural, architectural, and operational differences between current ClashFX and legacy ClashX builds:

Configuration Directories & Automatic Copy Logic

One of the most important operational differences is the configuration storage path:

• ClashFX 1.1.11: Uses ~/.config/clashfx
• Legacy ClashX: Used ~/.config/clash

One-Time Automatic Migration Logic

When you launch ClashFX 1.1.11 for the very first time:

• If the directory ~/.config/clashfx does not exist, ClashFX automatically creates it by copying the contents of ~/.config/clash as an initial baseline.
• If ~/.config/clashfx already exists (even if empty), the automated copy is skipped to protect existing files from being overwritten.
• Your legacy ~/.config/clash folder is left completely untouched as a safe fallback.

Subscription List Separation

A critical distinction to understand when migrating is that remote subscription URLs are not stored in the filesystem configuration directory.

Instead, subscription lists and auto-update schedules are stored in application-level macOS preferences (NSUserDefaults). Because ClashFX and ClashX use distinct bundle identifiers:

• Subscriptions configured in ClashX do not automatically populate in ClashFX.
• You must manually re-add your subscription URLs in ClashFX via Remote Config Management.

Protocol & Core Differences: Why Mihomo Matters

The primary driver for moving to ClashFX is modern protocol support. As internet firewalls evolved, legacy protocols like standard VMess and Shadowsocks became increasingly susceptible to active probing and throttling.

The modern mihomo core powering ClashFX introduces support for:

• VLESS with XTLS / REALITY: Eliminates server certificate requirements and mimics standard TLS web handshakes.
• Hysteria 2: High-speed UDP-based protocol utilizing customized QUIC congestion control to maintain throughput on lossy networks.
• TUIC v5: Next-generation low-latency proxy protocol built natively over QUIC.
• Rule-Providers & GEOSITE: High-performance binary routing databases that update asynchronously.

Legacy ClashX cannot parse or connect to these modern node types, frequently failing with “unknown proxy type” or YAML parse errors.

ClashFX Pro: Clarification of Status

It is essential to clarify that ClashFX Pro is an independent future product initiative specifically for ClashFX, not an update or continuation of the legacy ClashX Pro application.

• Status: In active preparation and concept design.
• Availability: Not currently open for purchase, preorder, or license activation.
• Core Features: ClashFX 1.1.11 includes Enhanced Mode (TUN), subscription auto-updates, rule-providers, and the built-in YAML editor completely free of charge. You do not need Pro to enjoy full proxy functionality.

How to Choose

• Choose ClashFX if you want an actively maintained macOS client, run modern protocols (VLESS, Hysteria2, TUIC), use Apple Silicon hardware, or want built-in Enhanced Mode without paying for third-party tools.
• Keep Legacy ClashX Temporarily only if you have custom scripts tightly coupled to ~/.config/clash or run older, unsupported macOS versions (macOS 10.15 or earlier). We recommend maintaining a timestamped backup before switching.

Next Steps

• Follow our step-by-step ClashX to ClashFX Migration Guide.
• Learn how to configure Enhanced Mode (TUN).
• Download the latest Universal binary on our Download Page.