Debugging Firebase: The Tale of User Ghosts and SDK Cousins

We just spent a few hours wrestling with a classic “It works on Web but fails on Native” bug. It turned out to be a perfect storm of SDK Mismatches, Metro Bundling quirks, and Aggressive Offline Caching. Here is the technical breakdown of what happened and how we fixed it. ...

January 22, 2026 · 3 min · 502 words · Adham Roumie