---
title: "When a GitHub username is set for a user, will their historical data be linked or is the change only effective for future data?"
canonical_url: "https://docs.getdx.com/knowledgebase/when-a-github-username-is-set-for-a-user-will-their-historical-data-be-linked/"
md_url: "https://docs.getdx.com/knowledgebase/when-a-github-username-is-set-for-a-user-will-their-historical-data-be-linked.md"
last_updated: "2026-05-08"
---

# When a GitHub username is set for a user, will their historical data be linked or is the change only effective for future data?
Historical data is backfilled and linked when a GitHub username is set for a user in DX.
---

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