changelogs update (#981)

* changelogs update

* Update app/en/references/changelog/page.mdx

Author: torresmateo

app/en/references/changelog/page.mdx

@@ -9,6 +9,41 @@ import { Callout } from "nextra/components";
 
 _Here's what's new at Arcade.dev!_
 
+## 2026-05-22
+
+**Arcade MCP Servers**
+
+- `[documentation - 📝]` Updates to MCP Servers documentation including toolkit metadata.
+- `[documentation - 📝]` Updating documentation for MCP Servers following an upgrade.
+
+
+
+**Platform and Engine**
+
+- `[bugfix - 🐛]` Fix validation error for empty Authorization URL field in MCP Server OAuth configuration.
+- `[bugfix - 🐛]` Fixes middleware handling for HTTPExceptions to improve error responses in FastAPI.
+
+## 2026-05-15
+
+
+**Arcade MCP Servers**
+
+- `[feature - 🚀]` Add default-on filter to exclude automated noise from Gmail search/list results.
+- `[bugfix - 🐛]` Fix missing OAuth scopes for Microsoft Teams toolkit tools to ensure proper authentication.
+- `[bugfix - 🐛]` Fixes the issue of unwanted line breaks in Gmail messages sent as plaintext.
+- `[bugfix - 🐛]` Fix Slack GetMessages tool quality errors related to datetime inputs and user lookup.
+- `[bugfix - 🐛]` Fix Jira tool quality errors including project resolution and optional field handling.
+- `[documentation - 📝]` Adding MCP Servers docs update to reflect new Outlook Mail tools and expanded OAuth scope.
+
+**Platform and Engine**
+
+- `[bugfix - 🐛]` Fix billing graphs on the dashboard by ensuring consistent recharts version usage.
+- `[feature - 🚀]` Make tool-call timeouts configurable for self-hosted deployments.
+
+**Misc**
+
+- `[documentation - 📝]` Add Visual Studio instructions to GitHub Copilot documentation.
+
 ## 2026-05-08