Files
CC-Switch/docs/release-notes/v3.12.3-en.md
T
Jason 9336001746 feat(skills): auto-backup skill files before uninstall
Create a local backup under ~/.cc-switch/skill-backups/ before removing
skill directories. The backup includes all skill files and a meta.json
with original skill metadata. Old backups are pruned to keep at most 20.
The backup path is returned to the frontend and shown in the success
toast. Bump version to 3.12.3.
2026-03-15 23:26:50 +08:00

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6.7 KiB
Markdown

# CC Switch v3.12.3
> Tool Search Domain Bypass, Proxy Gzip & o-Series Compatibility, Skills Import Robustness
**[中文版 →](v3.12.3-zh.md) | [日本語版 →](v3.12.3-ja.md)**
---
## Overview
CC Switch v3.12.3 adds a Tool Search domain restriction bypass via binary patching, improves proxy compatibility for OpenAI o-series models and gzip compression, and delivers robustness fixes for Skills import, provider forms, and terminal session restore. The Skills import flow has been reworked from implicit filesystem inference to explicit app selection, eliminating incorrect multi-app activation bugs.
**Release Date**: 2026-03-15
**Update Scale**: 13 commits | 47 files changed | +1,764 / -122 lines
---
## Highlights
- **Tool Search domain bypass**: New setting to remove Claude CLI Tool Search domain whitelist via equal-length binary patching, with automatic backup and reapply on startup
- **Proxy gzip compression**: Non-streaming proxy requests now auto-negotiate gzip compression, reducing bandwidth usage
- **o-series model compatibility**: Chat Completions proxy correctly uses `max_completion_tokens` for o1/o3/o4-mini models; Responses API kept on the correct `max_output_tokens` field
- **Skills import rework**: Replaced implicit filesystem-based app inference with explicit `ImportSkillSelection` to prevent incorrect multi-app activation
- **Ghostty terminal support**: Fixed Claude session restore in Ghostty terminal
---
## New Features
### Tool Search Domain Bypass
Added a setting to bypass Claude CLI Tool Search domain whitelist restrictions.
- Resolves the active `claude` command from PATH and applies an equal-length byte patch to remove the domain whitelist check
- Backups stored in `~/.cc-switch/toolsearch-backups/` (SHA-256 of path) so they survive Claude Code version upgrades
- The patch auto-reapplies on app startup when the setting is enabled
- Frontend checks patch result and rolls back the setting on failure
---
## Changes
### Proxy Gzip Compression
Non-streaming proxy requests now support gzip compression for reduced bandwidth usage.
- Non-streaming requests let reqwest auto-negotiate gzip and transparently decompress responses
- Streaming requests conservatively keep `Accept-Encoding: identity` to avoid decompression errors on interrupted SSE streams
### o1/o3 Model Compatibility
Proxy forwarding now handles OpenAI o-series model token parameters correctly.
- Chat Completions path uses `max_completion_tokens` instead of `max_tokens` for o1/o3/o4-mini models (#1451)
- Responses API path kept on the correct `max_output_tokens` field instead of incorrectly injecting `max_completion_tokens`
### OpenCode Model Variants
- Placed OpenCode model variants at top level instead of inside options for better discoverability (#1317)
### Skills Import Flow
The Skills import flow has been reworked for correctness and cleanup.
- Replaced implicit filesystem-based app inference with explicit `ImportSkillSelection` to prevent incorrect multi-app activation when the same skill directory exists under multiple app paths
- Added reconciliation to `sync_to_app` to remove disabled/orphaned symlinks
- MCP `sync_all_enabled` now removes disabled servers from live config
- Schema migration preserves a snapshot of legacy app mappings to avoid lossy reconstruction
---
## Bug Fixes
### Provider Form Double Submit
- Prevented duplicate submissions on rapid button clicks in provider add/edit forms (#1352)
### Ghostty Session Restore
- Fixed Claude session restore in Ghostty terminal (#1506, thanks @canyonsehun)
### Skill ZIP Import Extension
- Added `.skill` file extension support in ZIP import dialog (#1240, #1455)
### Skill ZIP Install Target App
- ZIP skill installs now use the currently active app instead of always defaulting to Claude
### OpenClaw Active Card Highlight
- Fixed active OpenClaw provider card not being highlighted (#1419)
### Responsive Layout with TOC
- Improved responsive design when TOC title exists (#1491)
---
## Download & Installation
Visit [Releases](https://github.com/farion1231/cc-switch/releases/latest) to download the appropriate version.
### System Requirements
| System | Minimum Version | Architecture |
| ------- | ------------------------------- | ----------------------------------- |
| Windows | Windows 10 or later | x64 |
| macOS | macOS 10.15 (Catalina) or later | Intel (x64) / Apple Silicon (arm64) |
| Linux | See table below | x64 |
### Windows
| File | Description |
| ------------------------------------------ | ---------------------------------------------------- |
| `CC-Switch-v3.12.3-Windows.msi` | **Recommended** - MSI installer with auto-update |
| `CC-Switch-v3.12.3-Windows-Portable.zip` | Portable version, extract and run, no registry write |
### macOS
| File | Description |
| ---------------------------------- | -------------------------------------------------------------------- |
| `CC-Switch-v3.12.3-macOS.zip` | **Recommended** - Extract and drag to Applications, Universal Binary |
| `CC-Switch-v3.12.3-macOS.tar.gz` | For Homebrew installation and auto-update |
> **Note**: Since the author doesn't have an Apple Developer account, you may see an "unidentified developer" warning on first launch. Please close it, then go to "System Settings" -> "Privacy & Security" -> click "Open Anyway", and it will open normally afterwards.
### Homebrew (macOS)
```bash
brew tap farion1231/ccswitch
brew install --cask cc-switch
```
Update:
```bash
brew upgrade --cask cc-switch
```
### Linux
| Distribution | Recommended Format | Installation Method |
| --------------------------------------- | ------------------ | ---------------------------------------------------------------------- |
| Ubuntu / Debian / Linux Mint / Pop!\_OS | `.deb` | `sudo dpkg -i CC-Switch-*.deb` or `sudo apt install ./CC-Switch-*.deb` |
| Fedora / RHEL / CentOS / Rocky Linux | `.rpm` | `sudo rpm -i CC-Switch-*.rpm` or `sudo dnf install ./CC-Switch-*.rpm` |
| openSUSE | `.rpm` | `sudo zypper install ./CC-Switch-*.rpm` |
| Arch Linux / Manjaro | `.AppImage` | Add execute permission and run directly, or use AUR |
| Other distributions / Unsure | `.AppImage` | `chmod +x CC-Switch-*.AppImage && ./CC-Switch-*.AppImage` |