One final crossing.
Publish the entry.
The demo is deployed, the MIT-licensed source is public, and the submission article is ready. The demo and public source are ready. Copy the full article below, open the normal DEV editor, paste, review, and publish. No oversized prefill URL.
Deadline: Sunday, October 18, 2026 at 11:59 PM Pacific.
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Tap 1. Copy article body, then 2. Open normal DEV editor. Add title: File Ferry: the file isn't the problem. The handoff is. and tags devchallenge, hf26challenge, opensource, ai in their separate DEV fields, then paste the body and publish. If copying is blocked on iPhone, tap and hold in the full article box, select all, and choose Copy. Confirm that tags devchallenge and hf26challenge appear. This page cannot publish on your behalf or verify your DEV receipt.