Unichain - Notice history

All systems operational

Operational

Public RPC - Operational

100% - uptime
Mar 2025 · 99.94%Apr · 100.0%May · 100.0%

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Mar 2025
Apr 2025
May 2025

L2 Block Production - Operational

100% - uptime
Mar 2025 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2025
Apr 2025
May 2025

L1 Batch Posting - Operational

100% - uptime
Mar 2025 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2025
Apr 2025
May 2025

Node Syncing - Operational

100% - uptime
Mar 2025 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2025
Apr 2025
May 2025

Notice history

May 2025

Unichain Infrastructure upgrade
  • Completed
    May 23, 2025 at 3:29 PM
    Completed
    May 23, 2025 at 3:29 PM
    Maintenance has completed successfully.
  • Update
    May 22, 2025 at 10:49 PM
    In progress
    May 22, 2025 at 10:49 PM

    Maintenance is taking longer than estimated. Unichain Sepolia is almost finished upgrading the fleet and Unichain Mainnet is pending. The Maintenance period will be increased by 2 hours.

  • In progress
    May 22, 2025 at 8:33 PM
    In progress
    May 22, 2025 at 8:33 PM

    We are upgrading the machines running our various rollup nodes to be able to handle Unichain's growth for the foreseeable future. We do not expect any outages or downtime in this period, but large upgrades such as this can have impact on chain performance if something goes wrong.

Unichain Sepolia - Safe Head is stalled due to L1 Batcher Degradation
  • Resolved
    Resolved

    All systems are operational and L1 batches for all transactions over the incident period have been submitted to the L1.

  • Monitoring
    Monitoring

    L1 Batches are being regularly posted now and the backlog of L2 transactions is being reduced.

  • Identified
    Identified

    The infrastructure supporting the L1 Batcher has began OOM'ing. Engineers have identified a fix and are deploying it, currently.

Apr 2025

No notices reported this month

Mar 2025

Unichain Sepolia Unsafe Head Stall
  • Resolved
    Resolved
    This incident has been resolved.
  • Identified
    Identified

    The unsafe head on Unichain Sepolia stopped due to infrastructure issues. It is now advancing again.

Unichain Sepolia Pectra Blob Schedule Network Upgrade
  • Completed
    March 20, 2025 at 4:18 PM
    Completed
    March 20, 2025 at 4:18 PM
    Maintenance has completed successfully.
  • In progress
    March 20, 2025 at 3:45 PM
    In progress
    March 20, 2025 at 3:45 PM
    Maintenance is now in progress
  • Planned
    March 20, 2025 at 3:45 PM
    Planned
    March 20, 2025 at 3:45 PM

    The Pectra Blob Schedule network upgrade is scheduled for Thu Mar 20 16:00:00 UTC 2025. Node operators must have updated their nodes by this time. See https://docs.unichain.org/docs/updates#critical-upgrade-for-unichain-sepolia-nodes-03152025 for more information.

Investigating Unichain Sepolia Batching Issues
  • Resolved
    Resolved

    All rollup nodes are recovered, L2 block production continues and L1 batch posts are going through.

Mainnet Rollup Node upgrade
  • Completed
    March 11, 2025 at 9:42 PM
    Completed
    March 11, 2025 at 9:42 PM

    We are upgrading our mainnet nodes to support Pectra

Public RPC Experiencing High Error Rate
  • Resolved
    Resolved
    This incident has been resolved.
  • Investigating
    Investigating
    We are currently investigating this incident.

Mar 2025 to May 2025

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