[Standard] Arbitrum One, Xai, Gravity, Nova, and their Testnets - Upgrade Nitro to v3.10.2

Scheduled for Jun 11, 07:30 - 15:30 UTC

Scheduled

We are upgrading our Arbitrum stack infrastructure to Nitro v3.10.2. This upgrade includes support for the upcoming ArbOS 60 activation and general improvements to node stability. During the maintenance window, brief interruptions to RPC availability may occur.

No user-facing RPC changes are included in this release.

https://github.com/OffchainLabs/nitro/releases/tag/v3.10.2

Posted Jun 03, 2026 - 19:52 UTC

This scheduled maintenance affects: Arbitrum Nova (Mainnet — JSON-RPC API, Mainnet — WebSocket API, Mainnet — Webhooks, Mainnet — Streams), Arbitrum (Mainnet Nitro — JSON-RPC API, Mainnet Nitro — WebSocket API, Mainnet — Webhooks, Mainnet — Streams), Xai (Mainnet — JSON-RPC API, Mainnet — Websockets API, Mainnet — Streams, Mainnet — Webhooks, Testnet — JSON-RPC API, Testnet — Websockets API, Sepolia — Streams, Sepolia — Webhooks), and Gravity (Alpham — JSON-RPC API, Alpham — Websockets API, Alpham — Streams, Alpham — Webhooks).