updated the changelog (#1027)

* updated the changelog

* Apply suggestion from @EricGustin

---------

Co-authored-by: Eric Gustin <34000337+EricGustin@users.noreply.github.com>

Author: torresmateo

app/en/references/changelog/page.mdx

@@ -9,6 +9,28 @@ import { Callout } from "nextra/components";
 
 _Here's what's new at Arcade.dev!_
 
+## 2026-06-19
+
+**Arcade MCP Servers**
+
+- `[feature - 🚀]` Adds pipeline exit functionality to archive applications in the Ashby toolkit.
+- `[feature - 🚀]` Adds support for VS Code chat host in agent mode for attachment capabilities.
+- `[feature - 🚀]` Ground-up rebuild of the X toolkit.
+- `[feature - 🚀]` Implement a comprehensive overhaul for Google Slides integration with improvements and fixes.
+- `[bugfix - 🐛]` Fixes Jira toolkit metadata classification in design system to correct dashboard integration tier.
+- `[maintenance - 🔧]` Remove X from default-enabled playground chat toolkits in ui-kit.
+- `[documentation - 📝]` Updating documentation for MCP Servers integration.
+
+**Platform and Engine**
+
+- `[feature - 🚀]` Adds deep-validation for OIDC user source issuers and improves coordinator error detail visibility.
+- `[feature - 🚀]` Add Agent Capability Gap self-report MCP builtin tool with master switch and LLM instruction integration.
+- `[feature - 🚀]` Show inviter email and style link in project invite email.
+- `[bugfix - 🐛]` Fixes cold-load black screen issue on redirect routes in dashboard.
+- `[bugfix - 🐛]` Fix gateway tool errors to retain additional_prompt_content in MCP.
+- `[documentation - 📝]` Adds implementation notes for operator RBAC on OpenFGA in the documentation.
+
+
 ## 2026-06-12
 
 **Arcade MCP Servers**