[MAINTENANCE] Upgrade: Solana Testnet – Upgrade Agave & Jito to v4.0.0-beta.4

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.
Posted Mar 30, 2026 - 20:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Mar 30, 2026 - 14:00 UTC

Scheduled

The Solana Foundation has requested an upgrade for all Solana Testnet Agave and Jito clients to v4.0.0-beta.4.

This release is a major version upgrade which includes some breaking changes including but not limited to:

• getClusterNodes — tpu and tpuForwards now always null.
• Several removed deprecated v1 RPC methods.
• EpochRewardsPeriodActiveErrorData — new required slot field.

No downtime is expected, but customers may experience brief connection interruptions and a small number of HTTP 503 responses as services restart and resynchronize with the cluster.

Release links:

• 📦 Agave: https://github.com/anza-xyz/agave/releases/tag/v4.0.0-beta.4
• 📦 Jito: https://github.com/jito-foundation/jito-solana/releases/tag/v4.0.0-beta.4-jito
• 🔄 Compare (Agave): https://github.com/anza-xyz/agave/compare/v3.1.9…v4.0.0-beta.4
• 🔄 Compare (Jito): https://github.com/jito-foundation/jito-solana/compare/v3.1.9-jito…v4.0.0-beta.4-jito
Posted Mar 28, 2026 - 15:58 UTC
This scheduled maintenance affected: Solana (Testnet — JSON-RPC API, Testnet — Websockets API, Testnet — Streams, Testnet — Webhooks).
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