⚠ Upgrade to Cadence 1.0
The Crescendo network upgrade, including Cadence 1.0, is coming soon.
You may need to update your existing contracts to support this change.
Please visit our migration guide here:
https://developers.flow.com/build/cadence-migration-guide
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Developer Documentation
Start your Flow journey now with the Flow Playground, or explore our comprehensive guides, resources, and references to kickstart your Flow development.