Firebase App Hosting Adds Instant Rollbacks and Automatic SDK Configuration

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Google's Firebase team has released its March update for App Hosting, its serverless platform for full-stack web apps. The headline addition is instant rollbacks, which let developers restore a previous build within seconds by reusing its existing container image instead of rebuilding from an old commit. Rollbacks are started from the App Hosting dashboard by selecting a prior build and choosing to roll back to it, which routes new visitors to that version. The update also introduces automatic SDK initialization, allowing Firebase Admin and client JS SDKs to initialize without a manually pasted config object when hosted on App Hosting. This simplifies managing development, staging, and production environments.

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