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Segment Functions: Node.js v22 becomes the default runtime on January 31, 2026
Twilio
January 21, 2026
low impact
Twilio Segment Functions to Adopt Node.js v22 as Default Runtime in January 2026 Twilio is updating the runtime environment for Segment Functions, transitioning to Node.js version 22 as the default option for new functions created after January 31, 2026. This change provides developers with the latest Node.js capabilities while maintaining backward compatibility. Existing functions will continue to run on Node.js v18 and will only be migrated to v22 when manually redeployed by users.
Key Takeaways
- arrow_right_alt New Segment Functions will default to Node.js v22 starting January 31, 2026
- arrow_right_alt Existing functions will remain on Node.js v18 until manually redeployed
- arrow_right_alt Developers can choose when to upgrade their existing functions to the new runtime