{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "Vertex AI Agent Builder API Feed — Google Cloud Radar",
  "home_page_url": "https://google-cloud-radar.com/services/vertex-ai-agent-builder",
  "feed_url": "https://google-cloud-radar.com/services/vertex-ai-agent-builder/feed.json",
  "description": "Automated pre-release intelligence and real-time diffs for Google Vertex AI Agent Builder.",
  "user_comment": "Sourced from Google Discovery Service.",
  "items": [
    {
      "id": "2026-09-17-discoveryengine-v1beta",
      "url": "https://google-cloud-radar.com/changes/2026-09-17-discoveryengine-v1beta",
      "title": "Granular IAM Filtering and Search-As-You-Type Tuning",
      "content_text": "Discovery Engine adds resource-level IAM filtering for Gemini Enterprise and dynamic search-as-you-type scoring overrides. Alpha users also gain support for file attachments in long-running agent tasks.",
      "date_published": "2026-09-17T00:00:00Z",
      "tags": [
        "discoveryengine",
        "vertex-ai",
        "iam",
        "search",
        "gemini"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1beta",
        "impact": "medium",
        "breaking": false,
        "interesting_score": 7,
        "category": "Generative AI",
        "status": "canary",
        "methods": []
      }
    },
    {
      "id": "2026-09-17-discoveryengine-v1alpha",
      "url": "https://google-cloud-radar.com/changes/2026-09-17-discoveryengine-v1alpha",
      "title": "Gemini Access Controls and Search-As-You-Type Tuning",
      "content_text": "This update introduces resource-level access controls for Gemini Enterprise, per-request Search-As-You-Type overrides, and a breaking change to widget model configurations.",
      "date_published": "2026-09-17T00:00:00Z",
      "tags": [
        "AI",
        "Search",
        "IAM",
        "Breaking Change"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1alpha",
        "impact": "medium",
        "breaking": true,
        "interesting_score": 8,
        "category": "Generative AI",
        "status": "canary",
        "methods": []
      }
    },
    {
      "id": "2026-09-17-discoveryengine-v1",
      "url": "https://google-cloud-radar.com/changes/2026-09-17-discoveryengine-v1",
      "title": "Search-as-you-type tuning and IAM-based resource filtering",
      "content_text": "Discovery Engine adds granular scoring controls for Search-as-you-type and resource-level IAM filtering for Gemini Enterprise. A breaking change makes the widget 'family' field read-only.",
      "date_published": "2026-09-17T00:00:00Z",
      "tags": [
        "discoveryengine",
        "search",
        "iam",
        "gemini",
        "breaking_change"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1",
        "impact": "medium",
        "breaking": true,
        "interesting_score": 7,
        "category": "Generative AI",
        "status": "canary",
        "methods": [
          "WidgetConfig.UiSettings.ModelConfigInfo.ResolvedModel"
        ]
      }
    },
    {
      "id": "2026-09-14-discoveryengine-v1alpha",
      "url": "https://google-cloud-radar.com/changes/2026-09-14-discoveryengine-v1alpha",
      "title": "NotebookLM API Restored with Stricter Schema Constraints",
      "content_text": "The NotebookLM alpha API surface has been reinstated after a recent removal, now featuring stricter parameter requirements and immutable fields.",
      "date_published": "2026-09-14T00:00:00Z",
      "tags": [
        "NotebookLM",
        "Breaking Change",
        "Restoration"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1alpha",
        "impact": "high",
        "breaking": true,
        "interesting_score": 9,
        "category": "Generative AI",
        "status": "canary",
        "methods": []
      }
    },
    {
      "id": "2026-09-09-discoveryengine-v1beta",
      "url": "https://google-cloud-radar.com/changes/2026-09-09-discoveryengine-v1beta",
      "title": "Data Protection Policies and Session Management Controls",
      "content_text": "Vertex AI Agent Builder adds native Sensitive Data Protection integration for data stores and connectors, alongside new session management controls and model 'thinking' levels.",
      "date_published": "2026-09-09T00:00:00Z",
      "tags": [
        "AI",
        "Security",
        "Vertex AI",
        "Data Protection"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1beta",
        "impact": "medium",
        "breaking": false,
        "interesting_score": 7,
        "category": "Generative AI",
        "status": "canary",
        "methods": []
      }
    },
    {
      "id": "2026-09-09-discoveryengine-v1alpha",
      "url": "https://google-cloud-radar.com/changes/2026-09-09-discoveryengine-v1alpha",
      "title": "NotebookLM Alpha Removed & New Data Protection Policies",
      "content_text": "This update includes a massive breaking change removing the NotebookLM alpha API surface while introducing new Sensitive Data Protection integrations and session management controls.",
      "date_published": "2026-09-09T00:00:00Z",
      "tags": [
        "breaking",
        "security",
        "sessions",
        "dlp"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1alpha",
        "impact": "high",
        "breaking": true,
        "interesting_score": 9,
        "category": "Generative AI",
        "status": "canary",
        "methods": []
      }
    },
    {
      "id": "2026-09-09-discoveryengine-v1",
      "url": "https://google-cloud-radar.com/changes/2026-09-09-discoveryengine-v1",
      "title": "Data Protection Policies and Session Management Controls",
      "content_text": "Discovery Engine introduces Sensitive Data Protection (DLP) integration, configurable session management for Engines, and a breaking change making icon URLs read-only.",
      "date_published": "2026-09-09T00:00:00Z",
      "tags": [
        "breaking_change",
        "security",
        "generative_ai",
        "sessions"
      ],
      "_gcp_metadata": {
        "service": "Vertex AI Agent Builder",
        "api": "discoveryengine.v1",
        "impact": "medium",
        "breaking": true,
        "interesting_score": 8,
        "category": "Generative AI",
        "status": "canary",
        "methods": [
          "WidgetConfig.UiSettings.ModelConfigInfo.ResolvedModel"
        ]
      }
    }
  ]
}