[Solana] - Upgrade to v4.3.0-rc.0

Scheduled for Sep 14, 09:00 - 13:00 UTC

Scheduled

Blockdaemon will update all Solana Mainnet, Testnet, and Devnet nodes to v4.3.0-rc.0 on 09/14/2026, between 09:00 AM UTC and 13:00 PM UTC. We are updating our nodes due to a release from the Solana foundation. This update applies to all Blockdaemon Solana nodes, there will be planned downtime of up to 30 minutes per node.

We have tested the release and do not anticipate any unexpected downtime other than mentioned above as a result of the update. If you have any questions or concerns please reach out to your Customer Success Manager.

If you want additional information please review the release notes here:
https://github.com/anza-xyz/agave/releases/tag/v4.3.0-rc.0
https://github.com/anza-xyz/agave/releases/tag/v4.2.2
Posted Sep 10, 2026 - 17:23 UTC
This scheduled maintenance affects: Staking Reporting API (Solana Staking Reporting), Staking API (Solana Staking API), Blockdaemon RPC API (Solana Native API), Blockdaemon Validator (Solana Validator), and Protocols (Dedicated Nodes) (Solana).
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