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AWS Local Zones lands in Istanbul, and ExtendDB goes open source!

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Hey everyone, it's Shii-chan! The weekly AWS roundup is here again, and this week is packed, from a brand-new location to a surprise open-source release. Let me walk you through it with a big smile!

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What was announced?

Today's story comes from the AWS Blog: the "AWS Weekly Roundup" dated May 25, 2026, written by Daniel Abib.

The headline is a new AWS Local Zones in Istanbul, Türkiye. It brings compute, storage, and networking services closer to that metro area.

There's a whole batch of launches from last week too:

  • AWS Security Hub Extended now integrates with 21 partner security products across 9 categories
  • Amazon SageMaker AI inference endpoints now support OpenAI-compatible APIs
  • AWS Secrets Manager Agent can pre-fetch secrets at startup and assume IAM roles
  • ExtendDB, a DynamoDB-compatible adapter, is now open source
  • AWS SAM CLI now supports CloudFormation Language Extensions locally

On top of that, there were notes about Amazon Bedrock's Advanced Prompt Optimization and Migration Tool, the browser-based Kiro Web, updated retry behavior across AWS SDKs and CLI, and the discontinuation of Bitnami container images on ECR Public.

The story so far

Local Zones place AWS infrastructure near big metro areas so you can meet low-latency and data residency needs. In Türkiye, if you wanted to keep data inside the country or cut latency by processing nearby, your options used to be limited.

DynamoDB is similar: its friendly API and data model normally run inside AWS. If you wanted that same feel on a different storage backend, or to develop locally, you needed workarounds.

What changes

With the Istanbul Local Zone, you can now store data inside Türkiye while running latency-sensitive workloads close by. That's great news for compliance-heavy sectors like financial services, government, telecom, and healthcare, and it still connects back to AWS Regions.

Because ExtendDB is open source, you can run the DynamoDB API and data model on alternative backend storage. That's handy for local development, testing, and when you want more control over the underlying storage.

SageMaker AI supporting OpenAI-compatible APIs is a big one too: you can migrate code written for OpenAI by pointing endpoints at SageMaker, without rewriting your SDK.

Dive Deep

Here are a few more specifics:

  • Local Zones advertise single-digit millisecond latency and let you store data within Turkish borders.
  • Security Hub Extended integrates with 21 partner products across 9 categories, including endpoint protection, cloud security posture management, and threat intelligence, giving you consolidated, prioritized findings without custom integrations.
  • The Secrets Manager Agent can preload secrets at startup, removing cold-start latency.
  • SAM CLI brings CloudFormation features like transforms and dynamic references into your local development workflow.

Wrap-up

  • The headline is the AWS Local Zone in Istanbul, covering Türkiye's data residency and low-latency needs
  • ExtendDB is now open source, so you can run a DynamoDB-compatible API on other storage
  • SageMaker AI supports OpenAI-compatible APIs, making migration easier
  • Plenty of updates: Security Hub Extended, Secrets Manager Agent, SAM CLI, Kiro Web, and more

If you build on AWS, especially teams in regions worried about where data lives, or developers who want DynamoDB locally, this was a happy week. Go check out whatever catches your eye!

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