# HubSpot for Developers Node 18.x and 20.x Runtimes Deprecated for Chatflow Custom Code Snippets

- Product: HubSpot for Developers (https://whatsnew.fyi/product/hubspot-developers)
- Vendor: HubSpot
- Date: 2026-08-12
- Original notes: https://developers.hubspot.com/changelog/node18-20-chatflow-deprecation
- Permalink: https://whatsnew.fyi/product/hubspot-developers/releases/2026-08-12-node-18.x-and-20.x-runtimes-deprecated-for-chatfl

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Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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Node 18.x and 20.x are being deprecated as supported runtimes for Chatflows custom code snippets . If you have bot code snippets running on either of these versions, you need to upgrade them to Node 2…

- **deprecated** — Node 18.x and 20.x runtimes for Chatflow custom code snippets are deprecated