Azure Weekly Update - 25th September 2026

John Savill shares a weekly roundup of notable Azure platform updates and announcements.

Overview

Compute and VM updates

• Mdsv4 and Msv4 VMs
  • Update covering the Mdsv4 and Msv4 virtual machine families.
• VM RP instant access
  • Update related to faster/instant access behavior in the VM Resource Provider (RP).

Azure Functions updates

• PowerShell 7.6 support
  • Azure Functions adds/announces support for PowerShell 7.6.
• Node.js 22 retirement
  • Update/notice about Node.js 22 retirement in Azure Functions.

Containers: AKS and Azure Container Apps

• AKS Flex Nodes
  • Update related to Azure Kubernetes Service (AKS) Flex Nodes.
• ACA Express
  • Update related to Azure Container Apps (ACA) Express.
• ACA Sandboxes
  • Update related to Azure Container Apps sandboxes.

Azure Database for PostgreSQL updates

• PostgreSQL 18 support for PostgreSQL elastic clusters
  • Adds/announces PostgreSQL 18 support for PostgreSQL elastic clusters.
• New PostgreSQL troubleshooting guides
  • New troubleshooting documentation/guides for Azure PostgreSQL.
• Logical replication slot sync status
  • Update related to logical replication slot synchronization status.

Azure AI Foundry and Copilot-related updates

• Foundry agent publishing to Microsoft 365 Copilot and Teams
  • Update about publishing Azure AI Foundry agents to Microsoft 365 Copilot and Microsoft Teams.
• Foundry hosted agent network egress controls
  • Update about network egress controls for hosted agents.
• Agent controls (Agent 365 / Foundry agent controls)
  • Update about controls/governance for agents.
• Foundry routines
  • Update related to routines in Azure AI Foundry.

GitHub Copilot updates

• Azure App GitHub Copilot guided experience
  • Update about a guided experience involving GitHub Copilot in an Azure app context.
• Model availability updates in Foundry and GitHub Copilot
  • Opus 5.5 availability in Foundry, GitHub Copilot (GHCP), and Cowork.
  • OpenAI GPT-6 Sol and Luna availability in Foundry and GHCP.
  • DeepSeek-V4.1-Flash availability in Foundry.
• Copilot App update
  • Update related to the Copilot app.

Retirements

• ACS retirement
  • Retirement update for Azure Communication Services (ACS).