Changelog aug 22 (#418)

* changelog - Aug 22

* typo

Author: evantahler

pages/home/changelog.mdx

@@ -7,6 +7,21 @@ description: "What's new at Arcade.dev"
 
 *Here's what's new at Arcade.dev!*
 
+<Note>
+  This week we released a new pricing model for Arcade which will be better for hobbyists and enterprises alike.  Learn more here: [https://blog.arcade.dev/pricing-updates](https://blog.arcade.dev/pricing-updates)
+</Note>
+
+## For the week ending on 2025-08-22
+
+**Toolkits**
+* `[feature - 🚀]` [X (Twitter)] Reply to Tweet ([PR #415](https://github.com/ArcadeAI/docs/pull/415))
+* `[feature - 🚀]` [Jira Toolkit] Add "Add To Sprint" and "Remove from Sprint" tools ([PR #412](https://github.com/ArcadeAI/docs/pull/412))
+* `[bugfix - 🐛]` [Google Drive, Docs, Sheets, Slides Toolkits] Remove file picker url from tool response
+
+**Platform and Engine**
+* `[feature - 🚀]` Arcade Cloud: New pricing model
+* `[feature - 🚀]` Authenticate communication between Engine and Coordinator via key exchange
+* `[feature - 🚀]` Engine: Add additional redis cert check options
 
 ## For the week ending on 2025-08-15
 
@@ -177,3 +192,5 @@ description: "What's new at Arcade.dev"
 * `[feature - 🚀]` Launched status.arcade.dev for monitoring platform status ([link](https://status.arcade.dev))
 
 
+
+