Serverless functions

Test Cron Triggers with Local Explorer

Local Explorer can now send one-off Cron Trigger invocations to a Worker's scheduled() handler during local development. This removes the need to construct request URLs when testing handler behavior.

AWS Lambda durable functions are now available in AWS GovCloud (US) Regions

AWS Lambda durable functions are now available in the AWS GovCloud (US-West) and AWS GovCloud (US-East) Regions. Lambda durable functions enable developers to build reliable multi-step applications and AI workflows within the Lambda developer experience.

Search Cloudflare documentation with the Cloudflare CLI

Cloudflare CLI 1.0.0-beta.16 includes cf docs search, so you and your coding agent can find Cloudflare documentation without leaving the terminal. Search for guides, tutorials, and examples across Cloudflare products.

AWS Lambda Durable Execution SDK for Go is now generally available

Today, AWS announces the general availability of the AWS Lambda Durable Execution SDK for Go, enabling Go developers to build resilient, long-running workflows using Lambda durable functions.

Gateway and Workers integration is now in public beta

Cloudflare Gateway now integrates with Cloudflare Workers in public beta on all Zero Trust plans. You can use the Forward action in Gateway HTTP policies to run your own code on matching, permitted traffic without managing a separate proxy.

AWS Lambda recursive loop detection now supports Amazon EventBridge Custom event buses

AWS Lambda recursive loop detection now automatically detects and stops recursive loops between Lambda Event Functions and Amazon EventBridge Custom event buses, helping protect you against unintended usage and unexpected charges from runaway workloads.

Workers Builds now uses newer versions of Node.js, Python, Go, Bun, and more

Your builds now run on newer versions of Node.js, Python, Ruby, Go, Bun, Yarn, and Python package managers by default, so you get the latest fixes and features without changing your build configuration.

AWS Lambda durable functions increases durable operation and checkpoint payload limits

Starting today, AWS Lambda durable functions increases the maximum number of durable operations per execution from 3,000 to 30,000, and the maximum checkpoint payload size from 256 KB to 1 MB.

Workers subrequests now preserve context for BYOIP destinations

Cloudflare now preserves Workers context when a subrequest targets a Cloudflare-proxied hostname using Bring Your Own IP (BYOIP). These requests are identified as Cloudflare-to-Cloudflare traffic instead of external Internet traffic.

Cloudflare API MCP server sends Workers Issues as MCP Events

Workers Issues provides built-in error monitoring for Cloudflare Workers. It detects production failures and groups related failures into issues without an SDK or application wrapper.

AWS Lambda announces Lambda Web Functions

AWS Lambda announces Lambda Web Functions, a new serverless compute primitive where your code handles HTTP requests directly. Your code listens on a port and handles requests as it would on any HTTP server.

Workers Builds now posts preview URLs in seconds

Workers Builds now consistently posts preview URLs to GitHub pull requests and GitLab merge requests within a few seconds of a build completing, so you can start testing and reviewing your changes sooner. Previously, posting preview URLs could often take minutes.

More time for requests to finish during Workers runtime updates

Pending requests and connections to Workers now have a grace period of up to 20 minutes during Workers runtime updates. Previously, the grace period was up to 30 seconds.

Run OpenCode 2.0 on Cloudflare with the Agents SDK

The Agents SDK now supports OpenCode 2.0 through the experimental OpenCodeHarness. Run OpenCode inside a plain Durable Object, with sessions stored in SQLite and Lifecycle jobs that wake interrupted work after eviction.

Support for Budget spend caps to pause your Cloud Run workloads is in General Availability (GA).

AWS Lambda supports OAuth authentication for self-managed Apache Kafka event sources

AWS Lambda now supports OAuth authentication for self-managed Apache Kafka event source mappings (ESM), including Kafka clusters that customers run themselves and managed offerings such as Confluent Cloud, Aiven, and Redpanda.

Create Workflow instance batches by count or list

createBatch() now accepts an options object that creates up to 100 Workflow instances in one call. The result lists the created instances and explains why any others were not created.

SSH for Cloud Run services and instances is in Preview.

Use this feature to establish a secure, interactive shell connection to your running instances.

Run the Pi Durable harness on Cloudflare with the Agents SDK

The Agents SDK now provides first-class support for building agents using the Pi harness. You can build long-running agents using the combination of Pi 1.0, Pi Durable, and the new PiHarness class that the Cloudflare Agents SDK provides, ensuring your agent's work is durably…

Web Crypto adds ML-KEM and ML-DSA support

The Workers Web Crypto API now supports ML-KEM-768, ML-KEM-1024, ML-DSA-44, ML-DSA-65, and ML-DSA-87. ML-KEM establishes shared secrets, while ML-DSA signs and verifies data.