・The Problem:

The Firebase Dynamic Links EOL on Aug 25, 2025, will cause millions of FDL links embedded as QR codes in printed textbooks to return 404 errors. These physical materials cannot be updated, creating a critical issue for the education sector and our publishing clients. The official migration guide does not offer a solution for these existing, unchangeable links.

・Precedent:

Google has already solved this exact problem for another service. The Google Developers Blog recently announced that goo.gl links will be preserved because they are "embedded in countless documents, videos, posts and more."

This situation with goo.gl is precisely identical to the critical issue we face with Firebase Dynamic Links. As we have explained, our publishing clients have embedded FDL-generated QR codes into printed textbooks, which cannot be altered. The very rationale that led to the preservation of goo.gl links perfectly describes the predicament of our clients.
Our situation with FDL is identical.

(Link: https://blog.google/technology/developers/googl-link-shortening-update/)

・Proposed Solutions

Redirection-Only Grace Period
Following the goo.gl precedent, continue to resolve and redirect existing FDLs for an extended period (e.g., 2-3 years) after the EOL date. New link creation could be disabled, but existing links should not break.

This is a critical business continuity issue for many developers and their clients. We strongly request that the Firebase team provide a viable solution.