v3.20.2 v2.2.1
vxcontrol/pentagiSep 7, 2026 → Sep 8, 20261 day between releases
What's New
The provided release notes describe two different projects (CC Switch and ECC), so no direct feature comparison is possible.
Upgrade Notes
The provided text describes two distinct projects (CC Switch v3.20.2 and ECC v2.2.1) with no shared history or dependencies, so no upgrade path exists between them.
The Two Releases
CC Switch v3.20.2
Sep 7, 2026· 1 month ago
This release focuses on making Grok work via xAI's native Responses API in Codex routing, fixing OAuth and tool calling issues, and stabilizing image generation and usage statistics.
Full release notesv2.2.1
Sep 8, 2026· 1 month ago
ECC 2.2.1 is a bug and security patch release that maintains the immutability of the v2.2.0 history. It focuses on hardening GateGuard, improving uninstall behavior, and fixing installation conflicts.
Full release notes