Flow Mainnet Spork

Scheduled Maintenance Report for Flow

Update

We are continuing to verify the maintenance items.
Posted Dec 29, 2025 - 15:13 UTC

Update

The network upgrade is now complete and Flow mainnet is back online on Mainnet-28. The public access endpoint is now available.

The block start height is: 137390146. The Flow EVM Gateway is not yet available, but should be back online in the next 24-48 hours.

Full details can be found here:
https://x.com/flow_blockchain/status/2005655108558991606?s=20

Thank you @Developers & @Node Operators for your patience.

The Flow Foundation
Posted Dec 29, 2025 - 15:09 UTC

Update

UPDATE: ECOSYSTEM COORDINATION PHASE

CURRENT STATUS: IDLE / READ-ONLY

- The network is online and producing blocks, but general transaction ingestion remains PAUSED.
- The Foundation is coordinating with critical infrastructure partners to finalize the optimal restart pathway.
- Remediation plan has been circulated with ecosystem partners and is under evaluation
- This process includes active consultation with bridge operators, exchanges, and validators
- Technical next steps are being validated and made ready for deployment
- User funds remain secure and unaffected
Posted Dec 29, 2025 - 00:08 UTC

Update

We are continuing to verify the maintenance items.
Posted Dec 28, 2025 - 03:29 UTC

Verifying

UPDATE: VALIDATOR CONSENSUS REACHED (MAINNET 28)

To preserve network integrity and prioritize user safety, the Flow Foundation proposed a protocol fix (Mainnet 28) which has been accepted and successfully deployed by network validators.

CURRENT STATUS: IDLE / READ-ONLY
The network is online and producing blocks, but general transaction ingestion remains PAUSED.

COORDINATION PHASE
Before resuming full operations, we are in a mandatory synchronization window with our critical ecosystem partners (Bridges, CEXs, and DEXs). This ensure their internal systems are fully synced with the restored state of the Flow ledger. This window is essential to prevent transaction failures and ensure immediate balance accuracy upon resumption.

NEXT STEPS
☑️Validators: Mainnet 28 Deployed
🔄Ecosystem: Final partner synchronization in progress
⏳Ingestion: Paused

The Foundation will post the final "Network Live" confirmation as soon as partner synchronization is complete.
Posted Dec 28, 2025 - 03:26 UTC

Update

The mainnet spork is on track.
Currently, state extraction is in progress.
Posted Dec 27, 2025 - 23:38 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Dec 27, 2025 - 23:00 UTC

Scheduled

Flow Mainnet will be sporking now from Mainnet-27 to Mainnet-28

Flow Mainnet will be unavailable for the next one hour.

Thanks,
Flow team
Posted Dec 27, 2025 - 22:58 UTC
This scheduled maintenance affects: Flow mainnet core components (Collection Finalization, Block Finalization, Transaction Execution, Block Sealing) and Flow mainnet Access APIs (EVM Gateway).