AWS News Blog
Author: Donnie Prakoso
Donnie Prakoso is a software engineer, self-proclaimed barista, and Principal Developer Advocate at AWS. With more than 17 years of experience in the technology industry, from telecommunications, banking to startups. He is now focusing on helping the developers to understand varieties of technology to transform their ideas into execution. He loves coffee and any discussion of any topics from microservices to AI / ML.
AWS Weekly Roundup: AWS re:Invent keynote recap, on-demand videos, and more (December 8, 2025)
The week after AWS re:Invent builds on the excitement and energy of the event and is a good time to learn more and understand how the recent announcements can help you solve your challenges and unlock new opportunities. As usual, we have you covered with our top announcements of AWS re:Invent 2025 that you can […]
Amazon Bedrock adds reinforcement fine-tuning simplifying how developers build smarter, more accurate AI models
Amazon Bedrock now supports reinforcement fine-tuning delivering 66% accuracy gains on average over base models.
Build multi-step applications and AI workflows with AWS Lambda durable functions
New Lambda capability lets you build applications that coordinate multiple steps reliably over extended periods—from seconds to up to one year—without paying for idle compute time when waiting for external events or human decisions.
Accelerate AI development using Amazon SageMaker AI with serverless MLflow
Simplify AI experimentation with zero-infrastructure MLflow that launches in minutes, scales automatically, and seamlessly integrates with SageMaker’s model customization and pipeline capabilities.
Build reliable AI agents for UI workflow automation with Amazon Nova Act, now generally available
New AWS service helps developers build AI agents that automate browser-based tasks like form filling, search & extract, shopping & booking, and QA testing—with over 90% reliability for enterprise deployments.
Build production-ready applications without infrastructure complexity using Amazon ECS Express Mode
Amazon ECS Express Mode simplifies containerized application deployment by automating infrastructure setup through a single command, allowing developers to focus on building applications while following AWS best practices.
Simplify access to external services using AWS IAM Outbound Identity Federation
AWS IAM now enables outbound identity federation, allowing developers to securely authenticate AWS workloads with external services using short-lived JSON Web Tokens instead of storing long-term credentials like API keys and passwords.
Accelerate workflow development with enhanced local testing in AWS Step Functions
AWS Step Functions’ enhanced TestState API now enables local unit testing with mocking support, comprehensive state type validation, and individual state testing capabilities without requiring AWS deployment or IAM permissions.