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NOVA - Arbiscan outage
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Arbitrum - Get updates by Webhook
This page covers status and maintenance information for Arbitrum Networks including: Arbitrum One, Arbitrum Nova, Arbitrum Sepolia, and the Stylus Testnet. Arbiscan status updates and details for Arbitrum One and Nova can be found on the official Arbiscan status page, which will include information on planned outages.
For the status of network upgrades (e.g. ArbOS versions), please visit the network upgrades page.