Flex Consumption - 1

2025 (6)

November (2)

azure: [Launched] Generally Available: Custom handler support in Azure Functions Flex consumption

Azure Updates

2025-11-21

Azure Functions now has generally available support for custom handlers on the Flex consumption plan, enabling lightweight HTTP-based handlers written in any language to receive events from the Functions host.

azure: [Launched] Announcing: Resources for migrating to Azure Functions Flex Consumption

Azure Updates

2025-11-18

Azure Functions Flex Consumption is now the recommended hosting plan for serverless workloads that need advanced scaling, improved networking, and better cost optimization. Microsoft has published resources to help customers migrate from the Azure Functions Consumption plan and from AWS Lambda to Flex Consumption.

October (2)

azure: [In preview] Public Preview: Azure Functions zero-downtime deployments with rolling updates in Flex Consumption

Azure Updates

2025-10-30

Azure Functions (Public Preview) adds rolling updates for the Flex Consumption plan, enabling zero-downtime deployments by gracefully updating instances instead of force-restarting them; enabled with a simple configuration change.

azure: [Launched] Generally Available: Availability Zones and network restricted Key Vault and App Configuration references for Flex Consumption

Azure Updates

2025-10-15

Azure Functions Flex Consumption features are now generally available: you can enable Availability Zones for apps at creation or after deployment so instances are automatically distributed across zones for improved reliability and fault tolerance. The update also introduces support for network-restricted Key Vault and App Configuration references and notes new region support.

September (1)

azure: Retirement: The Linux Consumption hosting plan of Azure Functions will be retired on September 30, 2028. Migrate to Flex Consumption.

Azure Updates

2025-09-26

Microsoft is retiring the Azure Functions Linux Consumption hosting plan on September 30, 2028 and recommends migrating affected functions to the Flex Consumption plan, which provides faster scaling, advanced networking, cold start mitigation, and concurrency control.

August (1)

azure: [Launched] Generally Available: Azure Functions Flex Consumption plan now supports 512 MB instance size and diagnostic settings

Azure Updates

2025-08-21

Azure Functions Flex Consumption plan now supports a 512 MB memory instance size option, in addition to 2048 MB and 4096 MB. This update helps optimize costs for apps with lower resource needs and supports scaling.