Across Microsoft 365 and the Power Platform, August 19, 2026 news centers on major Copilot expansion, SharePoint-connected dashboards, Power Apps modern controls reaching general availability, strengthened Microsoft 365/Entra security deadlines, and Teams updates tied to AI-driven meeting and voice experiences. The overall theme: deeper AI integration, accelerated migration timelines, and more agent‑based automation across the entire cloud stack.
🔹 SharePoint Online
- Copilot dashboards — Copilot now generates live, HTML-based dashboards directly from SharePoint lists, Excel, or CSV, staying synced with underlying data.
- Prompt buttons — Page buttons can trigger custom Copilot prompts, enabling guided workflows from any page.
🔹 Power Automate
- Agent-invoked flows — Copilot Studio’s “Express mode” improves reliability and speed when agents trigger flows.
- Workflow reasoning — Agents can now be invoked as workflow steps, adding AI reasoning directly into automations.
🔹 Power Apps
- Data grid GA — The modern fluent-based data grid control is now generally available, offering search, sorting, multi-select, rich column types, and accessibility improvements.
- Modern controls — Toggles and checkboxes receive consistent properties, tooltips, and true read-only mode.
🔹 Power BI
- No major August 19-specific announcements surfaced in current sources; most BI-related updates are surfacing through SharePoint dashboards and Copilot integrations.
🔹 Teams
- AI meeting recaps — Teams now supports AI-powered meeting recaps without saving recordings, improving privacy.
- Teams Rooms updates — Multi-camera Teams Rooms on Android and new voice agent certification programs highlighted in August updates.
🔹 Power Pages
- Latest platform updates — Included in the July/August Power Platform feature wave; improvements align with modern controls and agent-driven automation.
🔹 Copilot Chat
- AI governance controls — DLP now blocks Copilot from processing locally opened files; People Connector supports ACLs.
- OpenAI subprocessor change — OpenAI became a Microsoft 365 Copilot subprocessor (GPT‑5.6 models), auto-enabled July 24 unless previously disabled.
🔹 Copilot Studio
- Run-only agent sharing — Makers can securely share autonomous agents with end users.
- SharePoint list grounding — Agents can use SharePoint lists as structured knowledge sources.
🔹 Microsoft 365 / Office 365
- Windows 10 feature freeze — No new M365 app features on Windows 10 after Aug 2026; migration to Windows 11 strongly encouraged.
- EWS retirement — Exchange Web Services retires Oct 1, 2026; organizations must migrate integrations to Graph API.
- Purview upgrades — Auto-labeling capacity jumps from 100k → 500k files/day; retention rules now support “last accessed date.”
🔹 Power Platform (overall)
- Community Conference — PPCC 2026 scheduled for Oct 27–29 in Las Vegas.
- Modern app building — Data grid GA, modern controls, and reliability improvements across apps and automations.
