# Changelog

## Changelog, page 79

16 October16 Oct

- [

    ## Braintrust joins the Vercel Marketplace

    Braintrust joins the Vercel Marketplace with native support for the Vercel AI SDK and AI Gateway, enabling developers to monitor, evaluate, and improve AI application performance in real time.

    Hedi Zandi, Tony Pan

    ](/changelog/braintrust-joins-the-vercel-marketplace)

15 October15 Oct

- [

    ## Introducing Trace Drains on the Vercel Marketplace

    Vercel Drains now power Marketplace integrations, letting developers stream logs, traces, and analytics from Vercel projects to tools like Braintrust for real-time observability and debugging.

    Tony Pan, Dima Voytenko, and 2 others

    ](/changelog/introducing-trace-drains-on-the-vercel-marketplace)

- [

    ## Claude Haiku 4.5 now available in Vercel AI Gateway

    You can now access Claude Haiku 4.5 with Vercel's AI Gateway with no other provider accounts required.

    Rohan Taneja, Walter Korman, and 1 other

    ](/changelog/claude-haiku-4-5-now-available-in-vercel-ai-gateway)

14 October14 Oct

- [

    ## Commits to the same branch now build with no queues

    Building and deploying applications within the same GitHub branch, such as main, is now faster when using concurrent builds.

    Luke Phillips-Sheard, Marcos Grappeggia, and 2 others

    ](/changelog/build-commits-to-the-same-branch-without-waiting)

- [

    ## Anomaly alerts now in public beta

    You can now subscribe to receive alerts when anomalies spikes in usage or 5XX errors are detected in your Vercel application

    Fabio Benedetti, Timo Lins, and 3 others

    ](/changelog/anomaly-alerts-now-in-public-beta)

10 October10 Oct

- [

    ## Zero-configuration Flask backends

    Flask, one of the most popular Python web application frameworks, can now be deployed instantly at Vercel with no configuration changes needed.

    Ricardo Gonzalez, Marcos Grappeggia

    ](/changelog/zero-configuration-flask-backends)

- [

    ## Expanded Role-Based Access Control (RBAC) for Enterprise teams

    Vercel’s Role-Based Access Control (RBAC) system now supports multiple roles per user and introduces extended permissions for finer-grained access control across Enterprise teams.

    Bel Curcio, Javier Bórquez, and 2 others

    ](/changelog/expanded-role-based-access-control-rbac-for-enterprise-teams)

9 October9 Oct

- [

    ## ChatGPT apps support on Vercel

    Use the Apps SDK, Next.js, and mcp-handler to build and deploy ChatGPT apps on Vercel, complete with custom UI and app-specific functionality.

    Andrew Qu, Allen Zhou, and 1 other

    ](/changelog/chatgpt-apps-support-on-vercel)