# Changelog

## Changelog, page 55

26 February26 Feb

- [

    ## Nano Banana 2 is live on AI Gateway

    You can now access Google's newest model, Gemini 3.1 Flash Image Preview (Nano Banana 2) via Vercel's AI Gateway with no other provider accounts required.

    Walter Korman, Jerilyn Zheng

    ](/changelog/nano-banana-2-is-live-on-ai-gateway)

25 February25 Feb

- [

    ## Activity log now tracks 100% of team and project changes

    We've added 88 events to the activity log to ensure full coverage of changes to team or project settings

    Luka Hartwig, Darpan Kakadia

    ](/changelog/activity-log-now-tracks-100-of-team-and-project-changes)

24 February24 Feb

- [

    ## Python Vercel Functions bundle size limit increased to 500MB

    The bundle size limit for Python Vercel Functions has increased from 250MB to 500MB, allowing larger dependencies and assets in a single deployment. Learn more in the docs or deploy FastAPI or Flask to get started.

    Elvis Pranskevichus, Greg Schofield, and 2 others

    ](/changelog/python-vercel-functions-bundle-size-limit-increased-to-500mb)

- [

    ## GPT 5.3 Codex is now on AI Gateway

    You can now access OpenAI's newest model GPT 5.3 Codex via Vercel's AI Gateway with no other provider accounts required.

    Walter Korman, Jerilyn Zheng

    ](/changelog/gpt-5-3-codex-is-now-on-ai-gateway)

- [

    ## Slack Agent Skill simplifies building Slack agents with coding assistants

    Use the Slack Agent Skill in your favorite coding agent to simplify the otherwise complex task of building Slack integrated agents

    Timothy JordanVP of Developer Experience

    ](/changelog/slack-agent-skill-simplifies-building-slack-agents-with-coding-assistants)

23 February23 Feb

- [

    ## `npm i chat` – One codebase, every chat platform

    Chat SDK is now open source and available in public beta. It's a TypeScript library for building chat bots that work across Slack, Microsoft Teams, Google Chat, Discord, GitHub, and Linear — from a single codebase.

    Hayden Bleasel, Malte Ubl, and 4 others

    ](/changelog/chat-sdk)

- [

    ## Safely inject credentials in HTTP headers with Vercel Sandbox

    Sandbox network policies now support HTTP header injection to prevent secrets exfiltration by untrusted code

    Valerian Roche, Rob Herley

    ](/changelog/safely-inject-credentials-in-http-headers-with-vercel-sandbox)

- [

    ## Support for `now.json` will be removed on March 31, 2026

    Support for the deprecated "now.json" configuration file will be removed on March 31, 2026. Move to "vercel.json" instead.

    Tom KnickmanSoftware Engineer

    ](/changelog/support-for-now-json-will-be-removed-on-march-31-2026)