Update CHANGELOG.md

Author: mrubens

CHANGELOG.md

@@ -1,10 +1,20 @@
 # Roo Code Changelog
 
-## 3.26.7
-
-### Patch Changes
-
-- ![3.26.7 Release - OpenAI Service Tiers](/releases/3.26.7-release.png)
+## [3.26.7] - 2025-09-05
+
+![3.26.7 Release - OpenAI Service Tiers](/releases/3.26.7-release.png)
+
+- Feature: Add OpenAI Responses API service tiers (flex/priority) with UI selector and pricing (thanks @hannesrudolph!)
+- Feature: Add DeepInfra as a model provider in Roo Code (#7661 by @Thachnh, PR by @Thachnh)
+- Feature: Update kimi-k2-0905-preview and kimi-k2-turbo-preview models on the Moonshot provider (thanks @CellenLee!)
+- Feature: Add kimi-k2-0905-preview to Groq, Moonshot, and Fireworks (thanks @daniel-lxs and Cline!)
+- Fix: Prevent countdown timer from showing in history for answered follow-up questions (#7624 by @XuyiK, PR by @daniel-lxs)
+- Fix: Moonshot's maximum return token count limited to 1024 issue resolved (#6936 by @greyishsong, PR by @wangxiaolong100)
+- Fix: Add error transform to cryptic OpenAI SDK errors when API key is invalid (#7483 by @A0nameless0man, PR by @app/roomote)
+- Fix: Validate MCP tool exists before execution (#7631 by @R-omk, PR by @app/roomote)
+- Fix: Handle zsh glob qualifiers correctly (thanks @mrubens!)
+- Fix: Handle zsh process substitution correctly (thanks @mrubens!)
+- Fix: Minor zh-TW Traditional Chinese locale typo fix (thanks @PeterDaveHello!)
 
 ## [3.26.6] - 2025-09-03