Vercel Flags: Platform-native feature flags
Key point
Vercel has launched Vercel Flags, which unifies deployment and management to control features without performance degradation.
Details
Vercel has introduced Vercel Flags to safely manage new feature launches, model updates, infrastructure migrations, and more. This tool controls which features users see even after code is merged, enabling instant rollback without modifying source code or redeploying.
Vercel Flags is designed in a platform-native way, with the following characteristics.
- Server-side evaluation: Flags are checked on the server rather than the client, enabling instant rendering without loading spinners or Layout Shift.
- Framework integration: Provides dedicated adapters for Next.js and SvelteKit, and can also be used with other frameworks via OpenFeature.
- Automatic flag registration: When you define a flag in code and deploy it, it is automatically registered as a Draft in the dashboard, improving management efficiency.
Users can define targeting rules based on user attributes or environment through the Vercel Flags SDK, perform Progressive Rollouts, or immediately activate a Kill Switch in the event of a failure.
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