v4.0.8 v4.0.9

medium risk

farion1231/cc-switchOct 10, 2026 → Oct 11, 20261 day between releases

What's New

Redesigned vendor interface and fixed critical Codex thread errors

Breaking Changes

  • Vendor management interface completely redesigned; model list workflow has changed.

New Features

  • Integrated model selection with auto-fill and parameter preview in vendor form
  • Sub-agent model and reasoning strength configuration for Codex
  • New vendor presets: SoruxGPT, IKunCode, RunToken, BotCF, YYLX, TokenFlux, OpenModel
  • Local Router 'Connection Address' setting for WSL2 and NAT scenarios

Improvements

  • Fixed Codex thread failures caused by DeepSeek/OpenCode Zen 400 and xAI Responses 422 errors
  • Streamlined vendor form layout with mode-specific hints and field descriptions
  • Enhanced model selection flow with context window and capability previews

Bug Fixes

  • Resolved Codex thread failures preventing automation and new thread creation

Upgrade Notes

The vendor form workflow is significantly different; review the new interface when adding or editing suppliers. WSL2 users must configure the new 'Connection Address' in Local Router settings to restore connectivity.

The Two Releases

v4.0.8

CC Switch v4.0.8

Oct 10, 2026· 12 days ago

This is a maintenance release for CC Switch v4.0, focusing on fixing Codex integration issues, improving error reporting for model list retrieval, and enhancing the UI for dark mode. It also adds a feature to easily access application logs.

Full release notes
v4.0.9

CC Switch v4.0.9

Oct 11, 2026· 11 days ago

This release introduces a completely redesigned vendor management interface with an integrated model selection flow. It also resolves critical upstream protocol errors for Codex threads and adds a new 'Connection Address' configuration to fix WSL2 connectivity issues.

Full release notes