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Announcements, updates, deep-dive content, and event information from the Product and Engineering teams that run App Service at Microsoft.

App Service is a managed hosting service for web apps and mobile back-ends. Quickly build, deploy, and scale your web apps either as code or containers. Meet rigorous, enterprise-grade performance, security, and compliance requirements by using the fully managed platform for your operational and monitoring tasks.

Azure Functions: .NET Brotli Security Updates

4 minute read • By Byron Tardif • October 26, 2026

Update (27 October 2026): The platform-managed .NET security update rollout is complete for Linux Azure Functions, Azure Static Web Apps managed functions...

.NET Brotli Security Updates on Azure App Service for Windows

3 minute read • By Byron Tardif • October 26, 2026

Update (27 October 2026): Rollout of the updated built-in .NET runtimes on Azure App Service for Windows is complete through Safe Deployment Practices (SD...

.NET Brotli Security Updates on Azure App Service for Linux

3 minute read • By Byron Tardif • October 26, 2026

Update (27 October 2026): Rollout of the updated built-in .NET images is complete on both the Latest and Standard Platform Release Channels for Azure App ...

Time Zone Updates on Azure App Service for Windows

2 minute read • By Byron Tardif • October 23, 2026

Update (26 October 2026): The rollout of Windows operating-system time-zone updates on Azure App Service for Windows is complete, following accelerated Sa...

Azure Functions: Time Zone, Node.js, Python, and Certificate Updates

4 minute read • By Byron Tardif • October 23, 2026

Update (26 October 2026): The applicable time-zone, Node.js, and eMudhra / emSign certificate update rollouts are now complete for Windows Azure Functions...