diff --git a/content/updates/insider.md b/content/updates/insider.md
index b642aa8..4902bea 100644
--- a/content/updates/insider.md
+++ b/content/updates/insider.md
@@ -1,36 +1,37 @@
 ---
 title: "Insider"
-date: "2026-07-24"
+date: "2026-07-28"
 description: "Rolling release notes for Insider (dev) builds — all _-dev._ versions map here."
 heroImage: "/images/updates/Insider.png"
 ---
 
 ## Highlights
 
+- Apply suggestions from code review
 - some improvements to the workflows and updating the release notes
-- release v1.2.4 prep
-- feat: add MCP headless to related UI elements
-- chore: update MCP Server label and description for clarity on agentic AI capabilities
 
 ## Fixes
 
+- [Fix] Bundle app-update.yml into Windows installers so auto-update works (#611)
+- fix: add step to generate app-update.yml metadata for Windows in release workflows
+- fix: move app-update.yml validation to the correct job in release workflows
+- fix: update paths for types package version validation in workflows
+- fix: reorder comments for clarity in connection button handling
+- fix: update .gitignore to include test-results directory and remove obsolete .last-run.json file
 - fix: enhance preflight check comments and handling for PRs
 - fix: make notification panel and toast respect the selected app theme
-- fix: correct PR title validation message to include proper formatting for types
-- fix: update PR title validation to include 'Release' type
-- fix: add validation for app-update.yml existence and enhance auto-update error handling
 
 ## Developer & Build
 
-- Version: 1.2.4-dev.20260724
+- Version: 1.2.4-dev.20260728
 - Branch: dev
-- Commits: 16 in the last 24 hours
-- Build Date: 30058524696
+- Commits: 11 in the last 24 hours
+- Build Date: 30319579837
 
 ## Notes
 
 - No manual migration needed; existing settings and connections continue to work.
-- This page currently reflects Insider build `v1.2.4-dev.20260724` (and newer).
+- This page currently reflects Insider build `v1.2.4-dev.20260728` (and newer).
 
 ## Getting an Insider build
 
diff --git a/content/updates/v1_2_4.md b/content/updates/v1_2_4.md
new file mode 100644
index 0000000..25a12ca
--- /dev/null
+++ b/content/updates/v1_2_4.md
@@ -0,0 +1,42 @@
+---
+title: "v1.2.4"
+date: "2026-07-27"
+description: "Side-by-Side Tool View, Notification Hub, Power Platform API integration, and MCP Server preview for agentic AI tool invocation."
+heroImage: "/images/updates/v1_2_4.png"
+---
+
+## Highlights
+
+- Side-by-Side Tool View enables working with two tools in parallel in a single session.
+- Power Platform API integration expands available operations for tool and workflow development.
+- Notification Hub centralizes app and tool notifications with improved visibility and history.
+- MCP Server preview adds agentic AI-driven tool invocation support for attended and unattended scenarios.
+- Agent interoperability preview is available for clients such as Claude and GitHub Copilot integrations.
+- Tool execution flows include small UX and reliability improvements across common user paths.
+- Tool windows: improved layout and state handling in Side-by-Side view interactions.
+- Notifications: resolved edge cases with delivery timing and display consistency.
+- Added preview MCP Server pathway for agentic AI tool invocation in attended/unattended modes.
+
+## Fixes
+
+- General UI: fixed several small behavior regressions and polish issues.
+
+## Developer & Build
+
+- Power Platform API: added new endpoints and improved request/response handling for tool and workflow operations.
+- MCP Server: added preview support for agentic AI tool invocation in attended and unattended scenarios.
+
+## Install
+
+- Windows: `Power-Platform-ToolBox-1.2.4-arm64-win.exe`
+- macOS: `Power-Platform-ToolBox-1.2.4-arm64-mac.dmg`
+- Linux: `Power-Platform-ToolBox-1.2.4-x86_64-linux.AppImage`
+
+## Notes
+
+- No manual migration needed; existing settings and connections continue to work.
+- The MCP Server preview is an early access feature; feedback is welcome to improve agentic AI tool invocation support.
+
+## Full Changelog
+
+[v1.2.3...v1.2.4](https://github.com/PowerPlatformToolBox/desktop-app/compare/v1.2.3...v1.2.4)
diff --git a/public/images/updates/v1_2_4.png b/public/images/updates/v1_2_4.png
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