Content by john savill (49)
John Savill shares a quick Azure Weekly Update covering recent platform changes and previews, including VM ephemeral OS disk caching, Azure Functions Flex Consumption custom TLS, user delegation SAS updates, AZD extension framework work, Azure Load Testing Playwright expansion, and new Copilot-related items.
John Savill recaps the major Microsoft AI updates from August 2026, including new and updated models, routing and content-understanding changes, and a set of Copilot and Azure Copilot improvements that affect how teams use AI features across developer and enterprise environments.
John Savill runs through the Azure Weekly Update for 4th September 2026, covering a set of platform changes across compute, AKS, networking, monitoring, security, and Azure AI Foundry, with quick pointers to what’s new and where the updates land in the Azure stack.
John Savill gives a quick, practical explanation of why generative AI models sometimes “hallucinate” (confidently produce incorrect information) and why this behavior is a natural outcome of how models generate text from probabilities rather than retrieving verified facts.
John Savill gives an overview of Azure Linux 4.0 (formerly CBL-Mariner), explaining why Microsoft built it, how it’s put together, where it can be used in Azure, and how it relates to Azure Container Host and WSL scenarios.
John Savill shares a short weekly Azure update, highlighting what’s new across Microsoft Azure and pointing viewers to related learning resources and playlists on his channel.
John Savill gives an overview and demo of Project Perception, focusing on how AI-driven workflows and agent-style collaboration can speed up cybersecurity operations across red/blue/green team activities and playbook-driven response.
John Savill runs through the Azure updates for 21st August 2026, covering changes across App Service, AVS licensing, ASR options, VM sizing, Application Gateway, Azure Firewall IPv6, SQL tooling in VS Code, SQL MI zone redundancy, Databricks region expansion, WSL Azure Linux, and new models and Copilot capabilities in Azure AI Foundry.
John Savill explains what an AI “harness” is and why it matters when working with large language models, focusing on how models behave (including their lack of native memory) and how the harness provides the surrounding logic and context needed to make an LLM useful in real applications.
John Savill runs through a fast-paced AI-103 study cram focused on building AI apps and agents on Azure, covering Azure AI Foundry concepts, model selection and deployment options, API/SDK usage, evaluations, and agent tooling including Microsoft Agent Framework and Foundry Agent Service.
John Savill shares a short Azure update for 14th August 2026, covering a channel milestone plus a set of platform changes across App Service, AKS, networking, security, storage, Fabric, PostgreSQL, and AI—including a note about Gemini 3.7 Flash appearing in GitHub Copilot.
John Savill gives a quick, practical overview of tokens and tokenization in LLMs, how models generate tokens, why context windows matter, and how token usage affects both user experience and cost.
John Savill introduces the core differences between AI, machine learning, deep learning, and generative AI in a short “Tech in Five” explainer, giving a practical mental model for how these terms relate and where LLMs fit in.
John Savill runs through the 7th August 2026 Azure update, covering changes across compute, networking, security, storage, SQL, and Databricks—highlighting VM defaults and retirements, new routing and proxy capabilities, Private Link over IPv6, and several Databricks and Azure SQL enhancements.
John Savill recaps major Microsoft AI updates from July 2026, including new and updated models, Azure AI Foundry changes, and GitHub Copilot feature additions such as new “harness” options, @-mentioning app agents, and browser tools for Copilot in VS Code.
John Savill explains Azure Standard Service Endpoints, focusing on how Network Identifiers (NIDs) simplify and scale VNet-to-PaaS access, and how they work alongside Network Security Perimeter controls for securing inbound access to supported Azure services.
John Savill gives a quick overview of Azure’s new Standard service endpoints, focusing on what they are and why they matter for networking scenarios that connect VNets/subnets to Azure platform services.
John Savill rounds up a week of Azure platform updates, spanning AKS, networking, API Management, monitoring, data services, and regional expansion, plus a few notable AI model availability items and security-related changes like Azure Enclave and Key Vault symmetric keys.
John Savill gives a very quick overview of Rayfin and Microsoft Fabric Apps, focusing on where they fit in the Fabric ecosystem and why they matter for analytics and data platform work.
John Savill gives a quick overview of Rayfin and Microsoft Fabric Apps, focusing on the problem they’re trying to solve, how the Fabric Apps data model works, and what app hosting looks like in practice, with a short demo and key takeaways.
John Savill recaps a small set of Azure updates for the week of 24th July 2026, covering new capabilities across AKS, Azure Functions runtimes, networking, DDoS protection, Defender security assessments for PostgreSQL Flexible Server, and a new Log Analytics table aimed at generative AI workloads.
John Savill gives a quick, practical introduction to Windows Sandbox, showing how to install it, what the underlying architecture looks like, and how to customize a sandbox session for safely running apps or processes in an isolated Windows environment.
John Savill gives an overview of Microsoft IQ and how it’s meant to bring the right intelligence (enterprise data, web data, and model capabilities) to AI agents, including the different “IQ” surfaces (Work, Fabric, Foundry, Web) and the security/identity considerations around least privilege and protection.
John Savill gives a quick overview of Microsoft IQ, outlining what it is at a high level and how it fits into Microsoft’s AI-related ecosystem.
John Savill runs through a quick set of Azure updates from 10th July 2026, covering Azure Front Door Edge Actions, Azure Databricks SQL Serverless regional expansion, Azure Arc-enabled SQL scenarios, VS Code SQL tooling updates, new platform metrics, and Microsoft Entra ID passkey changes.
John Savill explains the Azure Health Model, why “resource health” is hard in cloud environments, and how to reason about service and dependency health. The video includes a walkthrough-style demo and closes with practical takeaways for understanding and communicating Azure service health.
John Savill recaps the major Microsoft AI updates from June 2026, spanning new model availability on Azure, Azure AI Foundry capabilities (agents, evaluations, tracing, memory), and GitHub Copilot updates including a desktop app and an SDK.
John Savill shares a short weekly roundup of Azure changes and announcements from 3rd July 2026, including VM restore point improvements, new blob integrity capabilities, storage migration updates, PostgreSQL tooling, Azure AI Foundry news (including Claude models), GitHub Copilot model updates, and quantum-safe security items.
John Savill shares a quick Azure update for June 26, 2026, covering several platform changes including upcoming retirements and new capabilities across networking, VMware on Azure, and Azure NetApp Files.
John Savill gives a quick walkthrough of Microsoft’s Security Adoption Model resource, explaining how it’s structured and how to use it to plan and track a security adoption journey.
John Savill runs through the weekly Azure update for 19th June 2026, covering a VS Code Azure Functions project-creation refresh, Azure Migrate’s GitHub Copilot integration, networking and storage feature updates, Azure Databricks integration with OneLake, and new Log Analytics summary rules.
John Savill walks through recent identity and authentication changes for Azure Files, focusing on Microsoft Entra ID–integrated authentication scenarios including managed identity access, cloud-only identity access, and macOS Platform SSO (PSSO) access.
John Savill gives an overview of Azure HorizonDB, explaining how it relates to PostgreSQL and walking through its cloud-native architecture, core components, and key capabilities like standby replicas and other platform features, plus a high-level look at pricing and where to find the official docs.
John Savill gives a very quick introduction to HorizonDB, framing it in the context of Azure and PostgreSQL as a cloud database option.
John Savill rounds up a week of Azure platform changes and retirements, spanning compute/storage updates, database and identity improvements, monitoring changes, and several developer-facing AI items including GitHub Copilot Agent Mode in SSMS and Azure AI Foundry agent licensing and model availability.
John Savill gives a fast-paced rundown of key announcements from Microsoft Build 2026, highlighting notable platform updates across Azure, AI, and identity/security topics such as Entra and passkeys.
John Savill explains how Microsoft Entra ID’s passkey registration campaign works, why passkeys are useful, and how the campaign “nudges” users to register. He also covers the policy prerequisites and the key behaviors that determine when users see registration prompts.
John Savill runs through a Build-special weekly Azure update, covering a wide set of platform announcements across compute, containers, integration, monitoring, databases, Fabric/Databricks, and Azure AI Foundry—plus security-focused items like confidential computing and Purview agent integrations.
John Savill explains Azure’s new native File Shares resource, contrasting it with the classic Azure Files share experience and walking through limits, scaling considerations, pricing, and when you should choose one approach over the other.
John Savill recaps the major Microsoft AI updates from May 2026, covering new model availability in Azure AI Foundry, platform features like evaluation and networking, and notable changes across Copilot Studio and GitHub Copilot.