Vercel Functions can now be up to 5GB in package size

Short summary

Vercel Functions now support packages up to 5GB (20x increase from 250MB), enabling Python ML/data libraries, browser automation, and heavier dependencies. Available in public beta via environment variable opt-in. Existing deployments unaffected unless Functions exceed 250MB.

• •Package size limit increased 20x: 250MB → 5GB for Node.js and Python
• •Enables ML libraries, browser automation, image/video processing workloads
• •Public beta; opt-in via VERCEL_SUPPORT_LARGE_FUNCTIONS=1 environment variable

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