---
title: "Acquia Source CMS - September 17, 2026"
date: "2026-09-14T11:50:09+00:00"
summary: "Explore Acquia Source CMS September 2026 release notes—new AI writing features, dependency updates, and key bug fixes."
image:
type: "announcement"
url: "/source-cms/release/2026-09-15/99346-acquia-source-cms-september-17-2026"
id: "83525ff8-a202-42bc-84bd-567a53136e93"
---

Feature

FR-4771 

Source CMS provides real-time Content Score evaluation (0–100) and intent alignment sub-scores within the Conductor Writing Assistant to enable content editors to analyze content effectiveness and search alignment before publication.

Feature

FR-4771 

Source CMS provides AI-assisted content outline generation and direct text insertion into body fields from edit forms within the Conductor Writing Assistant.

Feature

FR-4771 

The Conductor Writing Assistant Guidance tab is renamed to **Intent** and now displays objective, audience, and journey stage analysis.

Change

HAAS-2965

The ai\_agents dependency is updated to version 1.3.5.

Change

HAAS-2964

The ai dependency is updated to version 1.4.8.

Change

HAAS-2963

The mcp\_server dependency is updated to version 2.0.0-beta2.

Change

HAAS-2960

The npm and yarn group is updated with two dependency updates.

Change

HAAS-2953

The npm and yarn group is updated with five dependency updates.

Change

HAAS-2944

The tmgmt dependency is updated to version 1.1.19.

Change

HAAS-2939

The npm and yarn group is updated with two dependency updates.

Change

ACMS-6377

Acquia DAM asset gallery is updated to use embed URLs for asset cards and details views to ensure sharable and persistent asset rendering.

Change

ACMS-6274

GitHub two-way synchronization is updated to create three commits during repository initialization to provide a cleaner starting history.

Fix

XB-2280

Drupal Canvas components failed to push to Source CMS sites with a 503 error after enabling server-side rendering.

Fix

SCP-710

Drupal Canvas pages threw a TypeError during translation when containing pre-migration scalar property values.

Fix

SCP-684

Translation form pages did not render all available properties for certain components.

Fix

HAAS-2844

Vertical tabs displayed a visible flash of un-enhanced details markup before JavaScript enhancement.

Fix

DAI-241

The engage.acquia.com homepage served style attribute contents as text content in Markdown output.