Elevated Latency - JFK Region
Identified - We have identified a network-routing issue affecting connectivity to our JFK edge location from certain network ranges. Our edge infrastructure remains healthy, but some customers may experience connection timeouts, interrupted responses, or elevated latency. We are actively working to resolve this and will provide further updates as they become available.
Sep 28, 2026 - 19:03 UTC
Investigating - We are currently investigating an issue causing elevated latency and timeouts in the JFK region. We will update this page as we acquire further information.
Sep 28, 2026 - 15:11 UTC

About This Site

Welcome to the QuickNode status page. We use this page to communicate any issues with our products including planned and unplanned outages.

Uptime over the past 90 days. View historical uptime.
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Abstract Operational
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B3 Operational
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Berachain Operational
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Bitcoin Operational
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Bitcoin Cash Operational
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DOGE Operational
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Ethereum Operational
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Fantom Operational
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Flow Operational
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Fluent Operational
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Fuel Operational
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Gnosis Operational
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Gravity Operational
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Hedera Operational
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Hemi Operational
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Injective Operational
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Ink Operational
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JOC Operational
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Monad Operational
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Morph Operational
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Major outage
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had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Scheduled Maintenance

[Urgent] XRP Ledger - Mainnet - Upgrade to xrpld 3.4.0 Sep 28, 2026 00:00 - Sep 29, 2026 00:00 UTC

We are upgrading our XRP Ledger Mainnet infrastructure to xrpld 3.4.0 on 2026-09-28. This is a major release introducing two new amendments—LendingProtocolV1_1 (extending Single Asset Vaults and the Lending Protocol with closed-ended vaults and cash-basis accounting) and fixCleanup3_4_0 (bundling protocol fixes)—while retiring the fixAMMOverflowOffer amendment as a permanent part of the protocol. The release also includes bug fixes, security hardening, and stability improvements. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
ledger — Added nftoken_id, nftoken_offer_id, and delivered_amount (for AccountDelete transactions) to transaction metadata in ledger RPC responses, matching tx and account_tx methods.
NFT buy/sell flag validation — NFT RPC input now validates the buy/sell flag and will reject invalid flag combinations.

https://github.com/XRPLF/rippled/releases/tag/3.4.0
Posted on Sep 21, 2026 - 18:08 UTC

[Standard] Tron - Mainnet and Nile Testnet - Upgrade to v4.8.2.2 Sep 28, 2026 00:00-06:00 UTC

Scheduled - We are upgrading our Tron Mainnet infrastructure to v4.8.2.2 and our Tron Nile Testnet infrastructure to v4.8.2.2-PQ1-build1. This is a mandatory upgrade issued by the Tron Foundation, applying to both mainnet and Nile testnet.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- Contract deployment transactions now go through refined validation, improving consistency and reliability for users deploying smart contracts. Stake 2.0 and SELFDESTRUCT instruction handling has been optimized for edge cases, improving consistency of contract execution results for affected calls.

Mainnet release: https://github.com/tronprotocol/java-tron/releases/tag/GreatVoyage-v4.8.2.2 Nile Testnet release: https://github.com/tron-nile-testnet/nile-testnet/releases/tag/GreatVoyage-Nile-v4.8.2.2-PQ1-build1
Sep 09, 2026 - 19:08 UTC

Urgent Base - Mainnet - Upgrade to v1.4.2 Sep 28, 2026 00:00 - Sep 29, 2026 00:00 UTC

We are upgrading our Base Mainnet infrastructure to v1.4.2 on 2026-09-28.

This release introduces support for the Cobalt hardfork, a consensus-critical network upgrade.
Brief interruptions to RPC availability may occur on that date.

https://github.com/base/base/releases/tag/v1.4.2
Posted on Sep 23, 2026 - 17:35 UTC

[Urgent] SEI - Testnet (atlantic-2) - Upgrade to v6.7.0-rc3 Sep 28, 2026 16:27-23:59 UTC

We are upgrading our SEI Testnet (atlantic-2) infrastructure to v6.7.0-rc3 on 2026-09-28. This is a mandatory network upgrade introducing state migration preparation (FlatKV), removal of legacy APIs, and RPC limit tightening.

Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- sei_* JSON-RPC methods — API decommissioned: all legacy sei_* methods are removed in this release. Users must switch to standard eth_* methods (e.g., eth_call, eth_sendTransaction, eth_getBalance, eth_getLogs).
- IBC and feegrant modules — IBC queries and feegrant functionality are removed; transactions with a fee granter other than the payer will be rejected.

https://github.com/sei-protocol/sei-chain/releases/tag/v6.7.0-rc3
Posted on Sep 28, 2026 - 16:25 UTC

Scheduled — Solana Mainnet client upgrade (Agave v4.3.0) Sep 29, 2026 00:00 - Oct 4, 2026 00:00 UTC

Starting 2026-09-29 (UTC), we are upgrading our Solana Mainnet fleet to Agave v4.3.0, the release Anza recommends for Mainnet-beta, together with the matching Yellowstone gRPC (v16) and Blazar builds. RPC, WebSocket and gRPC endpoints stay available throughout. Our staked validators are already on v4.3.0.

What changes for Mainnet clients:

- getBlock, getTransaction and blockSubscribe now reject requests that combine encoding: "base58" (or "binary") with maxSupportedTransactionVersion >= 1, returning JSON-RPC error -32602 "base58 encoding is not supported with maxSupportedTransactionVersion>= 1". Use json, jsonParsed or base64 encoding for Transaction V1 requests.

- getInflationReward now accepts at most 32 addresses per request; larger lists return JSON-RPC error -32602 "Too many inputs provided; max 32". Split larger requests into batches of 32.

- Yellowstone gRPC moves to the v16 line. Existing subscriptions keep working unchanged, including clients built from the v15 proto. The v16 additions (a bank_id field on updates, a block_footer subscription) are optional and inert on Mainnet until Alpenglow activates; regenerate your app from the v16 proto only if you want them.

No JSON-RPC method is added or removed.

Please reach out to our Support team if you are experiencing any issues during the maintenance window.
- https://quicknode.portal.usepylon.com/forms/submit-a-support-ticket
Posted on Sep 23, 2026 - 23:10 UTC

[Urgent] Mantle Mainnet - Upgrade op-geth to v1.6.3 Sep 29, 2026 00:00 - Sep 30, 2026 00:00 UTC

We are upgrading our Mantle Mainnet infrastructure to op-geth v1.6.3 on 2026-09-29. This release introduces the Elysium execution client, providing compatibility with Ethereum L1 Glamsterdam through the Amsterdam execution framework. The upgrade includes upstream go-ethereum v1.17.3 with EIP-7708 ETH transfer logs, EIP-7928 block access lists, and related Engine and networking changes. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- eth_simulateV1 — Now supports Mantle fee calculation and returns eth_config safely for blobless OP Stack configurations and Amsterdam forks.
Block headers — The canonical JSON key blockAccessListHash is now used for EIP-7928 block access list references.
- Deposit encoding — Failed BVM_ETH deposit transactions are now represented with correct JSON encoding in receipts and block data.

https://github.com/mantle-xyz/op-geth/releases/tag/v1.6.3
Posted on Sep 21, 2026 - 16:59 UTC

[Standard] Gravity - Mainnet - Upgrade to v1.9.3 Sep 29, 2026 00:00-23:59 UTC

We are upgrading our Gravity Mainnet infrastructure to v1.9.3 on 2026-09-29. This release includes stability improvements and bug fixes for the Gravity SDK. Brief interruptions to RPC availability may occur on that date.

https://github.com/Galxe/gravity-sdk/releases/tag/v1.9.3
Posted on Sep 28, 2026 - 14:27 UTC

[Standard] Stacks - Upgrade API to v9.3.1 & Core 4.0.4 Sep 30, 2026 00:00 - Oct 1, 2026 00:00 UTC

We are upgrading our Stacks infrastructure to Stacks API v9.3.1 and stacks-core 4.0.4 on 2026-09-30. The API release includes a small database migration. The stacks-core release delivers bug fixes and stability improvements for more consistent block production, and introduces Clarity 7 ahead of Epoch 4.1. Brief interruptions to RPC availability may occur during the maintenance.

RPC Changes:

Stacks API (v9.3.1)
- v3 fungible token balances — fixed. Results are now sorted by numeric balance value.

Stacks Core (4.0.4)
- Error messages — changed. vm_error in transaction receipts, the cause field in read-only call responses, and block rejection reasons are now capped at 4096 bytes. Tuple and list values in these messages now render in Clarity syntax (e.g. (tuple (a u1))) instead of internal debug format. Users parsing these strings should update their handling.
- Smart contract deploys (from Epoch 4.1) — breaking. VersionedSmartContract payloads will be rejected as invalid. Deploy using the unversioned SmartContract payload, which defaults to Clarity 7.
- replace-at? (from Epoch 4.1) — fixed. A zero-length buffer or string element is now rejected at type-check time, or fails with an includable error at runtime, rather than making the transaction rejectable.

https://github.com/hirosystems/stacks-blockchain-api/releases/tag/v9.3.1
https://github.com/stacks-network/stacks-core/releases/tag/4.0.4
Posted on Sep 23, 2026 - 15:45 UTC

[Urgent] NEAR Testnet - Upgrade to 2.14.0-rc.3 Sep 30, 2026 00:00-23:59 UTC

We are upgrading our NEAR Testnet infrastructure to nearcore 2.14.0-rc.3 on 2026-09-30.

Brief interruptions to RPC availability may occur on that date.

https://github.com/near/nearcore/releases/tag/2.14.0-rc.3
Posted on Sep 28, 2026 - 20:06 UTC

[Standard] MegaEth Mainnet - Upgrade to v2.2.1 Sep 30, 2026 00:00-23:59 UTC

We are upgrading our MegaEth Mainnet infrastructure to v2.2.1 on 2026-09-30. This is a recommended release focused on stability, performance, and transaction pool handling improvements.

Brief interruptions to RPC availability may occur on that date.

RPC Changes:
Transaction pool subscriptions — Transactions dropped from the transaction pool for being too old now emit a discarded transaction event. Clients tracking a transaction's lifecycle over a subscription will now receive notifications for these removals instead of waiting indefinitely.
Posted on Sep 25, 2026 - 13:26 UTC

[Standard, Fork] Ethereum - Sepolia/Hoodi - Upgrade to Geth-v1.17.6 & Erigon v3.7.0 Sep 30, 2026 00:00 - Oct 1, 2026 00:00 UTC

We are upgrading our Ethereum Sepolia infrastructure to Geth v1.17.6 and Erigon v3.7.0 on 2026-09-30. Both releases include required support for the Amsterdam (Glamsterdam) hard fork, scheduled on Sepolia for October 6, 2026.
Geth v1.17.6 delivers performance improvements to block processing and initial sync. Erigon v3.7.0 brings broad RPC performance improvements, including faster eth_getLogs, eth_feeHistory, and eth_getProof responses, along with improved RPC correctness at the chain tip and closer alignment with Geth behavior.

Brief interruptions to RPC availability may occur.

RPC Changes (Geth):
- eth_getLogs — Now rejects ranges where toBlock is before fromBlock; requests with invalid block ranges will return an error.
- eth_getHeaderByNumber — Returns null for pending and unresolvable tags instead of attempting resolution.
- eth_simulateV1 — Post-merge difficulty overrides are now treated as no-op; difficulty parameters no longer affect simulation outcomes.
- eth_createAccessList — Removed per-authorization gas guard; gas accounting behavior has been simplified.
- debug_traceCall — Block parameter is now optional; omitting it will use the latest block by default.

RPC Changes (Erigon):
- All methods — A null value for a required positional argument now returns error -32602 instead of silently defaulting to zero, matching Geth.
- eth_call, eth_createAccessList, eth_simulateV1, eth_getProof, debug tracing — Requests using the pending block tag are rejected where matching state is unavailable; use latest or an explicit block number.
- eth_call, eth_estimateGas, eth_simulateV1, eth_createAccessList — Access lists are rejected before Berlin and blob hashes before Cancun; eth_createAccessList also rejects pre-Berlin blocks.
- eth_getFilterLogs — Now queries the filter's stored criteria without draining eth_getFilterChanges or renewing the filter lifetime. Log filters and subscriptions with more than four topic positions return -32602.
- eth_getFilterChanges, eth_subscribe("logs"), erigon_getLogsByHash — Logs now include blockTimestamp, matching eth_getLogs.
- erigon_getLogs, erigon_getLatestLogs — The timestamp field has been renamed to blockTimestamp.
- debug_traceTransaction, debug_traceBlock, debug_traceCallMany (callTracer with withLog) — Log indices are now block-wide for transaction and block traces, and bundle-wide for debug_traceCallMany, instead of transaction-local.
- callTracer — Omits to for failed CREATE/CREATE2 calls instead of returning the zero address, matching Geth.
- eth_getHeaderByHash, eth_getHeaderByNumber — New header-only query methods in the eth namespace.
- eth_estimateGas — State overrides now apply to balance and code checks as well as execution; blob funds are reserved before calculating gas allowance, matching Geth.
- eth_call — No longer charges the blob base fee when blob fields are supplied without a nonzero blob fee cap.
- trace_callMany — Preserves earlier simulated calls' state regardless of trace type and no longer reads changes from the next block.
- eth_sendRawTransaction — EIP-7702 delegated senders are limited to one in-flight transaction and cannot submit nonce-gapped transactions; same-nonce replacement remains supported.
- eth_syncing, eth_subscribe("syncing") — Now report sync-state changes over WebSocket and show snapshot download progress.

https://github.com/ethereum/go-ethereum/releases/tag/v1.17.6
https://github.com/erigontech/erigon/releases/tag/v3.7.0
Posted on Sep 23, 2026 - 16:06 UTC

Urgent XRPL EVM Mainnet - Upgrade to v10.2.1 Sep 30, 2026 00:00 - Oct 1, 2026 00:00 UTC

We are upgrading our XRPL EVM Mainnet infrastructure to node v10.2.1 on 2026-09-30. This is a hotfix release that updates the underlying cosmos/evm module to v0.6.2-august-2026-hotfix-xrplevm.2, addressing core EVM functionality improvements.

Brief interruptions to RPC availability may occur on that date.

https://github.com/xrplevm/node/releases/tag/v10.2.1
Posted on Sep 17, 2026 - 16:38 UTC

[Standard] Zcash Mainnet - Upgrade to Zebra 6.4.0 Oct 1, 2026 00:00 - Oct 2, 2026 00:00 UTC

We are upgrading our Zcash Mainnet infrastructure to Zebra 6.4.0 on 2026-10-01. This release improves block template performance through precomputation, and includes multiple security and stability fixes.

Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- getblocktemplate — Now uses precomputed block templates for the current chain tip when available, refreshed on tip changes and periodically, reducing latency for miners; templates may be a few seconds behind the mempool but are validated against the committed tip.
- getstandardfee — Reports updated conventional fee of 1000 zatoshis per ZIP-317 logical action (down from 5000; 2000 instead of 10000 for a minimal transaction).
- z_gettreestate — No longer returns null commitments for blocks moved to a side chain during concurrent reorgs.
- RPC response body size — `rpc.max_response_body_size` is now capped at 4,294,967,295 bytes; larger configured values are rejected during configuration loading.

https://github.com/ZcashFoundation/zebra/releases/tag/v6.4.0
Posted on Sep 23, 2026 - 19:20 UTC

[Standard] Ethereum Hoodi and Sepolia - Upgrade to Reth v2.7.0 Oct 1, 2026 00:00 - Oct 2, 2026 00:00 UTC

Update - We will be undergoing scheduled maintenance during this time.
Sep 28, 2026 - 15:53 UTC
Scheduled - We are upgrading our Ethereum Hoodi and Sepolia infrastructure to Reth v2.7.0 on 2026-10-01. This is a required upgrade ahead of the Glamsterdam (Amsterdam) hardfork on Sepolia, scheduled for 2026-10-06 at 13:53:36 UTC. The release also includes all changes from v2.6.0, bringing expanded Amsterdam protocol support, performance improvements across block processing and historical-state queries, and several RPC correctness fixes. Brief interruptions to RPC availability may occur during the maintenance window.

RPC Changes:
- eth_estimateGas — Now respects the node's RPC gas cap, and the basic-transfer shortcut returns actual used gas, fixing post-Amsterdam overestimation of up to 75%.
- eth_getLogs — Returns an error when matching receipts have been pruned instead of incomplete results. Memory and CPU overhead have also been reduced.
- trace_callMany / trace_filter — Calls without a specified block (trace_callMany) or without block bounds (trace_filter) now default to latest. Users needing pending state or historical ranges should specify them explicitly.
- trace_get — Now selects results by trace tree path, and replaying a missing transaction returns null.
- eth_callBundle — Now derives the next-block base fee for bundle simulation.
- Transaction submission and signing — Rejects a supplied chainId that does not match the network, preventing accidental cross-chain resubmission.
- EIP-7702 authorization — Returns null for sender-nonce gaps consumed by authorization entries.
- Transaction pool — Pending blob transactions are parked when blob fee rises while base fee falls, and transactions below the tracked sender nonce are rejected.

https://github.com/paradigmxyz/reth/releases/tag/v2.7.0
https://github.com/paradigmxyz/reth/releases/tag/v2.6.0
Sep 22, 2026 - 14:18 UTC

[Standard] Zcash - Testnet and Mainnet - Upgrade to Zebra 6.4.2 Oct 1, 2026 00:00-23:59 UTC

We are upgrading our Zcash infrastructure to Zebra 6.4.2 on 2026-10-01. This is a security release. Brief interruptions to RPC availability may occur on that date.
https://github.com/ZcashFoundation/zebra/releases/tag/v6.4.2
Posted on Sep 25, 2026 - 21:32 UTC

[Standard] 0g - Mainnet - Upgrade to v1.0.7 Oct 1, 2026 00:00 - Oct 2, 2026 00:00 UTC

We are upgrading our 0g Mainnet infrastructure to Aristotle v1.0.7 on 2026-10-01. This is an RPC-only release that fixes a critical correctness bug in eth_estimateGas and removes a CPU-amplification vector in the gas estimator. No consensus or state-transition changes are included. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- eth_estimateGas — Fixed critical bug where gas estimates were being seeded from post-settlement gas (raising gas_used to 80% of the cap), causing the method to return cap-sized limits instead of actual usage. This resulted in gas estimates up to ~850× too large. Estimates are now seeded from pre-settlement gas, matching 0g-geth behavior. Additionally, EIP-7623 calldata floor computation has been optimized to run once per transaction instead of per frame, eliminating a CPU-amplification vector.

https://github.com/0gfoundation/0gchain-Aristotle/releases/tag/v1.0.7
Posted on Sep 24, 2026 - 16:34 UTC

[Standard] World Chain Mainnet - Upgrade to v2.4.4 Oct 5, 2026 00:00-23:59 UTC

We are upgrading our World Chain Mainnet infrastructure to v2.4.4 on 2026-10-05. This release hardens proof validation, improves withdrawal processing, and adds operational enhancements to the fault-proof system and proof submission workflow. Brief interruptions to RPC availability may occur on that date.

https://github.com/worldcoin/world-chain/releases/tag/v2.4.4
Posted on Sep 28, 2026 - 20:17 UTC

[Standard] Tempo Mainnet - Upgrade to v1.15.0 Oct 6, 2026 00:00-23:59 UTC

We are upgrading our Tempo Testnet & Mainnet infrastructure to v1.15.0 on 2026-10-06. This is a maintenance release focused on node reliability, sync stability, and performance.

Brief interruptions to RPC availability may occur on that date.

https://github.com/tempoxyz/tempo/releases/tag/v1.15.0
Posted on Sep 28, 2026 - 20:21 UTC

Urgent Stacks Mainnet - Upgrade to v4.0.4 Oct 7, 2026 00:00-23:59 UTC

We are upgrading our Stacks Mainnet infrastructure to stacks-core v4.0.4 on 2026-10-07. This is a stability and bugfix release addressing block production consistency, signature verification corrections in the Wasm backend, and removal of deprecated transaction-replay configuration. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- /v3/tenures/fork_info — The nakamoto_blocks field is now always null and is deprecated; it will be removed in a future release.
- read-only function error cause — Error messages (including read-only call cause payloads) are now clamped to 4096 bytes at construction; Tuple and list values in error messages now render in Clarity syntax instead of internal debug format.
- SmartContract deploy payload — Versioned smart-contract deploys (VersionedSmartContract payload) are rejected as statically invalid from Epoch 4.1 onwards; deploy new contracts using the unversioned SmartContract payload, which uses the epoch's default Clarity version.
- Clarity 7 support — Epoch 4.1 introduces Clarity 7 as the default version; public or read-only functions may now take reserved names to implement trait methods from earlier Clarity versions that had those names free.

https://github.com/stacks-network/stacks-core/releases/tag/4.0.4
Posted on Sep 28, 2026 - 20:26 UTC

Sep 28, 2026

Unresolved incident: Elevated Latency - JFK Region.

Sep 27, 2026

Near Testnet — Block Height Stalled at 270,420,304
Resolved - This incident has been resolved.
Sep 27, 04:53 UTC
Monitoring - Block progression has resumed on Near Testnet. We are keeping a close eye on the network.
Sep 27, 04:42 UTC
Investigating - Near Testnet appears to have stalled at block 270,420,304 - The Quicknode team is investigating and will update with more information once it is available.
Sep 27, 04:02 UTC
World Chain Mainnet - Elevated 503 Errors
Resolved - This incident has been resolved.
Sep 27, 04:01 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 26, 16:10 UTC
Investigating - The Quicknode team is investigating elevated 503 errors on World Chain Mainnet. Users may experience failed or degraded requests. We will update this page as we acquire new information.
Sep 26, 15:50 UTC

Sep 26, 2026

Sep 25, 2026

Fuel Mainnet Degraded Performance
Resolved - This incident has been resolved.
Sep 25, 22:03 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 25, 20:58 UTC
Investigating - The Quicknode team is investigating the degraded performance of Fuel Mainnet - we will update this page as we acquire new information.
Sep 25, 18:23 UTC
Solana Devnet: Alpenglow consensus upgrade on Friday, Sep 25
Completed - The scheduled maintenance has been completed.
Sep 25, 21:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 25, 18:30 UTC
Scheduled - Solana Devnet is switching to Alpenglow, Solana’s new consensus protocol (SIMD-0326 - https://explorer.solana.com/address/A1pengvuM6JEcyNuTnMqepBKhwHE3N6PmUrdATGawhJS?cluster=devnet). The Solana developers at Anza will turn it on at the start of Devnet epoch 1167, expected Friday, September 25, around 19:40 UTC.

What this means for you
- Solana Mainnet is not affected. This change applies to Solana Devnet only.
- The Devnet may be briefly unstable while the switch-over happens, for example with slower confirmations or short interruptions. This comes from the network itself.
- Your Quicknode Devnet endpoints stay the same. You don’t need to change anything.

What we’re doing
- Our Solana Devnet infrastructure is already running the required Agave v4.3.0.
- We’re pausing all planned maintenance on Solana Devnet around the upgrade window.
- Our team will be actively monitoring the network during and after the switch-over, and we’ll post updates here if we see any impact.

Try Alpenglow early
Want to see how your application behaves under Alpenglow before it reaches Devnet? It’s already live on our Solana Alpenglow cluster: Spin up a reliable Solana Alpenglow node on Quicknode.

We’ll update this notice once the upgrade is complete.
Relevant links:
https://www.quicknode.com/blog/solana-alpenglow-upgrade
https://solana.com/upgrades/alpenglow
Sep 25, 17:20 UTC

Sep 24, 2026

Celestia Mocha Testnet Stalled at Block 1,082,619
Resolved - This incident has been resolved.
Sep 24, 22:21 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 24, 21:53 UTC
Investigating - Celestia Mocha Testnet appears to have stalled at block 1,082,619. The Quicknode team is investigating and will update with more information once it is available.
Sep 24, 20:43 UTC
Polygon Amoy Testnet - Elevated API Errors
Resolved - This incident has been resolved.
Sep 24, 20:32 UTC
Monitoring - The Polygon Amoy Testnet stress test has concluded. We are monitoring the network for stability and will continue to update this page as needed.
Sep 24, 19:39 UTC
Investigating - We're experiencing an elevated level of API errors on Polygon Amoy Testnet due to an ongoing stress test by the foundation. We will update this page with further details once they become available.
Sep 24, 17:38 UTC
Solana Testnet: Alpenglow consensus upgrade on Thursday, Sep 24
Completed - The scheduled maintenance has been completed.
Sep 24, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 24, 16:00 UTC
Scheduled - The Solana Testnet is switching to Alpenglow, Solana's new consensus protocol (SIMD-0326). The Solana developers at Anza will turn it on at the start of Testnet epoch 1042, expected Thursday, September 24, around 17:30 UTC. The switch-over takes about 5,000 slots, which is roughly 15 to 20 minutes at Testnet's current speed.

Feature gate: A1pengvuM6JEcyNuTnMqepBKhwHE3N6PmUrdATGawhJS (Testnet)


What this means for you
- Solana Mainnet is not affected. This change applies to Solana Testnet only.
- The Testnet may be briefly unstable while the switch-over happens, for example with slower confirmations or short interruptions. This comes from the network itself.
- Your Quicknode Testnet endpoints stay the same. You don’t need to change anything.

What we’re doing
- Our Solana Testnet infrastructure is already running the required Agave v4.3.0.
- We’re pausing all planned maintenance on Solana Testnet around the upgrade window.
- Our team will be actively monitoring the network during and after the switch-over, and we’ll post updates here if we see any impact.

Try Alpenglow early:

Want to see how your application behaves under Alpenglow before it reaches Testnet? It’s already live on our Solana Alpenglow cluster: Spin up a reliable Solana Alpenglow node on Quicknode.
- https://www.quicknode.com/chains/solana

We’ll update this notice once the upgrade is complete.

Relevant links:

- https://www.quicknode.com/blog/solana-alpenglow-upgrade
- https://solana.com/upgrades/alpenglow
Sep 24, 00:11 UTC
Cosmos Mainnet Network Stall at Block 33,086,740
Resolved - This incident has been resolved.
Sep 24, 16:30 UTC
Monitoring - Cosmos Mainnet full nodes are fully operational and serving the latest blocks. Our team is continuing to restore archive availability and we are monitoring our Cosmos nodes for stability. We will provide further updates as they become available.
Sep 23, 16:24 UTC
Update - Cosmos Mainnet has resumed block production following the network-wide halt. Our infrastructure is completing synchronization before resuming full service. We do not have an ETA at this time and will update this page as soon as we have more information.
Sep 23, 14:20 UTC
Identified - We have identified the cause of the Cosmos Mainnet network stall at block 33,086,740. This is a chain-wide halt resulting from a network governance attack, as reported by the Cosmos Foundation. We are actively monitoring the situation and will provide further updates as more information becomes available.
Sep 22, 13:51 UTC
Investigating - Cosmos Mainnet appears to have stalled at block 33,086,740. This appears to be a chain-wide issue. The Quicknode team is investigating and will update this page as more information becomes available.
Sep 22, 11:42 UTC
[Urgent] Sui - Mainnet - Upgrade to mainnet-v1.80.1
Completed - The scheduled maintenance has been completed.
Sep 24, 13:47 UTC
Scheduled - We are upgrading our Sui Mainnet infrastructure to mainnet-v1.80.1 on 2026-09-30. This release introduces Protocol Version 137 with improvements to cryptographic verification, new gas charging semantics, and expanded transaction validation. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
SuiTransactionBlockEffects.shared_objects — The field is now derived from accessed consensus objects, which can include implicitly read system objects (such as the accumulator root). Consumers treating this field as declared shared inputs should filter against the transaction inputs to avoid processing unexpected system objects.
Transaction expiration — TransactionExpiration::Validity is now accepted on all networks, allowing transactions to restrict which validators may propose them in consensus.
MovePackageService (gRPC) — GetPackage, GetDatatype, GetFunction, and ListPackageVersions are now available on the Bigtable-backed archival gRPC service (sui-kv-rpc), previously only on fullnodes.
Historical subscription backfill (GraphQL) — Can now consume V1 effects from archival KV-RPC for broader historical data access.
QueryEndReason behavior (gRPC) — Terminal metadata on queries ending at an empty natural interval now emits QueryEndReason::CheckpointBound with watermark.checkpoint = None instead of CursorBoun.

https://github.com/MystenLabs/sui/releases/tag/mainnet-v1.80.1
Sep 23, 17:25 UTC
[Urgent] Celestia - Mocha Testnet - Upgrade to celestia-app v10.2.0-mocha and celestia-node v0.34.2-mocha
Completed - The scheduled maintenance has been completed.
Sep 24, 13:46 UTC
Scheduled - We are upgrading our Celestia Mocha Testnet infrastructure to celestia-app v10.2.0-mocha and celestia-node v0.34.2-mocha. This is a coordinated network upgrade tied to a signalled activation height. The celestia-app release introduces Fibre, a new on-chain-settled data availability service, and adds a Cosmos gRPC reflection service; celestia-node adds a corresponding Fibre client exposed through a new JSON-RPC namespace, along with IPv6 literal endpoint support and stability fixes, including a peer-connection deadlock fix. During the maintenance window, brief interruptions to RPC availability may occur.

Release:
https://github.com/celestiaorg/celestia-app/releases/tag/v10.1.0-mocha
https://github.com/celestiaorg/celestia-node/releases/tag/v0.33.2-mocha
https://github.com/celestiaorg/celestia-app/releases/tag/v10.2.0-mocha
https://github.com/celestiaorg/celestia-node/releases/tag/v0.34.2-mocha
Sep 14, 16:47 UTC
[Urgent] Monad - Mainnet - Upgrade to v0.16.3
Completed - The scheduled maintenance has been completed.
Sep 24, 13:46 UTC
Scheduled - We are upgrading our Monad Mainnet infrastructure to v0.16.3 on 2026-09-22. This release eliminates 2x write amplification for State Archive nodes past the MIP-8 fork, versions all snapshot streams for compatibility and integrity checking, and retires the deprecated statesync protocol v0/v1. Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- get_storage_at — Storage encoding is now routed by timeline past the MIP-8 cutoff. The method selects page or slot encoding according to the requested block version.
- Filter methods — Malformed eth filters now return InvalidParams errors instead of internal errors.

https://github.com/category-labs/monad-bft/releases/tag/v0.16.3
Sep 21, 14:15 UTC
[Urgent] Ault - Testnet - Upgrade to v3.0.0-rc.1
Completed - The scheduled maintenance has been completed.
Sep 24, 13:46 UTC
Scheduled - Ault Testnet is undergoing a network upgrade to v3.0.0-rc.1 on 2026-09-23 at 15 UTC. Brief interruptions to RPC availability may occur on that date.
Sep 22, 17:37 UTC
[Urgent] Sui - Testnet - Upgrade to testnet-v1.80.1
Completed - The scheduled maintenance has been completed.
Sep 24, 13:46 UTC
Scheduled - We are upgrading our Sui Testnet infrastructure to testnet-v1.80.1 on 2026-09-22. This release introduces Protocol v137, which includes consensus-affecting changes such as refined gas charging for constants, network-wide acceptance of TransactionExpiration::Validity, stricter signing-time validation, and enhanced object-funds withdrawal checks. The release also expands gRPC and GraphQL capabilities.

Brief interruptions to RPC availability may occur on that date.

RPC Changes:
- SuiTransactionBlockEffects.shared_objects — Field derivation now includes implicitly read system objects (such as the accumulator root) once a consumer activates. Consumers treating this field as declared shared inputs must filter against transaction inputs.
- GetPackage, GetDatatype, GetFunction, ListPackageVersions (gRPC MovePackageService) — Now available on archival KV-RPC infrastructure (sui-kv-rpc), previously available only on full nodes.
- Historical subscription backfill (GraphQL) — Can now consume V1 effects from archival KV-RPC.
- QueryEndReason on empty natural interval queries (gRPC) — Queries ending on an empty natural interval now emit QueryEndReason::CheckpointBound with watermark.checkpoint = None instead of CursorBound.
- Transaction effects (gRPC v2 RPC) — V1 transaction effects now include their derived lamport version in v2 RPC responses.

https://github.com/MystenLabs/sui/releases/tag/testnet-v1.80.1
Sep 22, 17:34 UTC
[Urgent] Fluent Mainnet - Upgrade to v1.5.0
Completed - The scheduled maintenance has been completed.
Sep 24, 13:45 UTC
Scheduled - We are upgrading our Fluent Mainnet infrastructure to v1.5.0 on 2026-09-21. This release improves runtime stability, EVM and SDK correctness, and performance with an upgrade to rWasm 0.6.0 (delivering approximately 5x execution performance improvement). The release also strengthens build provenance, publishing controls, and regression coverage.

New VM opcodes will be activated on this date; RPC availability may be briefly interrupted.

https://github.com/fluentlabs-xyz/fluentbase/releases/tag/v1.5.0
Sep 17, 21:00 UTC
[Urgent] Katana - Mainnet - Upgrade to v2.2.3
Completed - The scheduled maintenance has been completed.
Sep 24, 13:45 UTC
Scheduled - We are upgrading our Katana Mainnet infrastructure to conduit-op-reth v2.2.3. This is a point release that includes a critical bug fix from upstream op-reth v2.4.3 addressing deposit transaction handling. The fix ensures deposit transactions carry their required 0x7e type prefix for proper consensus validation.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
Deposit transaction validation — Deposit transactions are now required to carry the 0x7e type prefix; transactions missing this prefix will be rejected during validation.

https://github.com/conduitxyz/conduit-op-reth/releases/tag/v2.2.3
Sep 10, 19:21 UTC
[Urgent] NEAR Testnet - Upgrade to 2.14.0-rc.2
Completed - The scheduled maintenance has been completed.
Sep 24, 13:44 UTC
Scheduled - We are upgrading our NEAR Testnet infrastructure to nearcore 2.14.0-rc.1 on 2026-09-18. This is a mandatory protocol upgrade (version 85 to 87) introducing significant consensus-breaking changes including removal of the gas reward mechanism, new receipt input size limits, early chunk producer reassignment, and new host functions for ML-DSA-65 and SHA-3 cryptographic operations. Brief interruptions to RPC availability may occur on that date.

RPC/API-facing changes:
- `tx_status` is now the stable name for what was `EXPERIMENTAL_tx_status`. The old name still works as a deprecated alias with the same request/response shape, so no immediate action needed, but users should plan to move to tx_status.
- Timeout responses are more informative. Calls to tx, EXPERIMENTAL_tx_status, and send_tx/broadcast_tx_commit with wait_until now return a TIMEOUT_ERROR with a cause field (NOT_OBSERVED, PENDING, DOES_NOT_TRACK_SHARD, or ERROR) instead of a bare timeout. This field is optional/absent when hitting older nodes, so clients should handle its absence gracefully.
view_access_key_list /
- EXPERIMENTAL_view_access_key_list now support pagination (after_key, limit, with last_key returned for the next page). This is a breaking behavioral change: an unpaginated request now fails for any account with more than 100 access keys (the default limit) — any user client that queries access keys for high-key-count accounts needs to adopt pagination.


https://github.com/near/nearcore/releases/tag/2.14.0-rc.1
Sep 16, 20:22 UTC
Urgent Fluent - Testnet - Upgrade to v1.5.0
Completed - The scheduled maintenance has been completed.
Sep 24, 13:44 UTC
Scheduled - We are upgrading our Fluent Testnet infrastructure to v1.5.0 (ALKAHEST) on 2026-09-17. This release focuses on runtime stability, EVM correctness, and performance improvements, including fixes for node crashes, bridge-related block failures, malformed-input handling, gas accounting, Solidity ABI compatibility, and contract routing. It also upgrades rWasm to version 0.6.0 and reduces execution overhead. Brief interruptions to RPC availability may occur on that date.

https://github.com/fluentlabs-xyz/fluentbase/releases/tag/v1.5.0
Sep 17, 13:58 UTC
Urgent Aptos - Testnet - Upgrade to v1.49.1-rc
Completed - The scheduled maintenance has been completed.
Sep 24, 13:44 UTC
Scheduled - We are upgrading our Aptos Testnet infrastructure to aptos-node v1.49.1-rc. This is a hotfix release requested by the Aptos Foundation. Brief interruptions to REST API availability may occur on that date.
https://github.com/aptos-labs/aptos-core/releases/tag/aptos-node-v1.49.1-hotfix-rc
Sep 16, 20:32 UTC
[Urgent] Base - Sepolia - Upgrade to v1.4.1
Completed - The scheduled maintenance has been completed.
Sep 24, 13:43 UTC
Scheduled - We are upgrading our Base Sepolia infrastructure to v1.4.0 ahead of the Cobalt hardfork, scheduled for September 23, 2026 at 18:00 UTC.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- Cobalt introduces validity transactions — signed transactions that only execute onchain when specified conditions (balance, storage, block number, or Flashblock index) are met, enabling conditional swaps, withdrawals, and other state-dependent actions via standard transaction submission.
- Cobalt also brings improvements to the B20 token standard, including the ability to pay transaction fees in B20 tokens, scheduled multiplier updates, and new Union/Intersect policies.

https://github.com/base/base/releases/tag/v1.4.0
Sep 17, 17:42 UTC
[Standard] Sonic - Mainnet - Upgrade to v2.2.2
Completed - The scheduled maintenance has been completed.
Sep 24, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 24, 01:00 UTC
Scheduled - We are upgrading our Sonic Mainnet infrastructure to v2.2.2.
This is a stability release that addresses data races during shutdown and in the state database, reduces memory footprint, and improves signal handling during startup and password prompts.

The release also enhances RPC API compatibility with Ethereum execution APIs.

During the maintenance window, brief interruptions to RPC availability may occur.

https://github.com/0xsoniclabs/sonic/releases/tag/v2.2.2
Sep 15, 17:27 UTC

Sep 23, 2026

Vana Moksha Network Stalled at Block 9,170,953
Resolved - This incident has been resolved.
Sep 23, 22:07 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 23, 18:20 UTC
Investigating - Vana Moksha appears to have stalled at block 9,170,953 — The Quicknode team is investigating and will update with more information once it is available.
Sep 23, 17:59 UTC
[Standard] Polkadot Mainnet - Upgrade to stable2606-2 & REST API v0.3.0
Completed - The scheduled maintenance has been completed.
Sep 23, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 14:01 UTC
Scheduled - We are upgrading our Polkadot Mainnet infrastructure to polkadot-stable2606-2, along with our Polkadot REST API to v0.3.0. The node update is a patch release for the stable2606 line containing fixes across XCM, staking, coretime, assets, and networking subsystems. Notable improvements include corrected XCM weight calculations for claim_assets, a pallet-broker auto-renewal security fix, and WebRTC transport now enabled by default on full nodes.

During the maintenance window, brief interruptions to RPC and REST API availability may occur.

RPC/API Changes:
- Breaking: in the REST API, an extrinsic's method field is now omitted rather than populated with placeholder data when that extrinsic could not be decoded. Users relying on strict schema validation or exhaustive struct matching against this field should review their integration.
- Fixed a bug where an undecodable extrinsic caused every later extrinsic in the same block to incorrectly inherit its events, success status, and fee data. Affected entries now retain their own data along with a decodeError detail.
- Events emitted after a block's last extrinsic (previously dropped) are now returned in a new afterExtrinsics field.

Release links:
https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2606-2
https://github.com/paritytech/polkadot-rest-api/releases/tag/v0.3.0
Sep 15, 18:06 UTC
[Standard] Injective - Mainnet - Upgrade to v1.20.4
Completed - The scheduled maintenance has been completed.
Sep 23, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 14:00 UTC
Scheduled - Injective Mainnet is undergoing a network upgrade to v1.20.4 on Wednesday, September 23, 2026, during the 14:00–17:00 UTC window.

During the maintenance window, brief interruptions to RPC availability may occur.
Sep 15, 16:14 UTC
[Standard] Celestia - Mainnet - Upgrade to celestia-app v9.0.8
Completed - The scheduled maintenance has been completed.
Sep 23, 15:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 11:01 UTC
Scheduled - We are upgrading our Celestia Mainnet infrastructure to celestia-app v9.0.8. This release upgrades celestia-core to v0.40.9.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- BlockByHeight — Slow gRPC height subscribers may miss notifications; use BlockByHeight to backfill any gaps.

https://github.com/celestiaorg/celestia-app/releases/tag/v9.0.8
Sep 15, 17:33 UTC
[Standard] Fuel - Mainnet and Testnet - Upgrade to v0.48.3
Completed - The scheduled maintenance has been completed.
Sep 23, 15:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 11:00 UTC
Scheduled - We are upgrading our Fuel Mainnet and Testnet infrastructure to fuel-core v0.48.3. This release includes operational improvements to node readiness detection, performance enhancements to the PoA service with better connection handling, and fixes to peer penalization logic to improve block synchronization reliability.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- GraphQL subscriptions — Pooled hyper client reuse has been implemented for improved connection efficiency and performance.

https://github.com/FuelLabs/fuel-core/releases/tag/v0.48.3
Sep 9, 18:09 UTC

Sep 22, 2026

[Standard] Celo Mainnet - Upgrade op-reth to v1.0.5 & op-node-v2.2.2
Completed - The scheduled maintenance has been completed.
Sep 22, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 22, 09:00 UTC
Scheduled - We are upgrading our Celo Mainnet infrastructure to op-reth v1.0.5 and op-node to celo-v2.2.2. The op-reth release improves CIP-64 correctness and op-geth parity, with enhancements to fee-currency validation, balance checks, pending transaction revalidation, and fee-currency handling. Non-canonical EIP-2718 transaction encodings are now rejected. The op-node release adds support for CIP-64 transactions within span batches and prepares batch submission for the upcoming Ethereum L1 Amsterdam calldata floor gas rules ahead of the Glamsterdam fork, helping ensure transactions continue to be included reliably. During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:

eth_call — Fee-currency handling has been improved to ensure correct behavior with CIP-64 currency specifications.
eth_estimateGas — Fee-currency handling has been improved to ensure correct behavior with CIP-64 currency specifications.
Pending transactions — Revalidation logic has been strengthened to improve correctness and consistency with op-geth behavior.
Transaction submission — Non-canonical EIP-2718 transaction encodings are now rejected.
Span batches — CIP-64 (CeloDynamicFeeTxV2) transactions are now correctly supported within span batches.

https://github.com/celo-org/celo-kona/releases/tag/celo%2Freth-v1.0.5 https://github.com/celo-org/optimism/releases/tag/celo-v2.2.2
Sep 15, 16:09 UTC
Arc Testnet Degraded Performance
Resolved - This incident has been resolved.
Sep 22, 02:00 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 22, 01:24 UTC
Update - We are continuing to investigate on the issue.
Sep 22, 00:49 UTC
Investigating - The Quicknode team is investigating the degraded performance of Arc Testnet. Users may experience 503 errors at this time. We will update this page as we acquire new information.
Sep 21, 21:43 UTC
Cosmos Mainnet Network Stalled at Block 33,073,000
Resolved - This incident has been resolved.
Sep 22, 00:45 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 22, 00:30 UTC
Identified - The source of the issue has been determined. We are actively engaged with the Foundation to bring block progression back to normal, and additional updates will follow.
Sep 21, 15:00 UTC
Investigating - Cosmos Mainnet nodes have halted at block height 33,073,000 pending a required v28.2.0 upgrade. We have reached out to the Cosmos Foundation team for the release artifacts and are working to deploy the fix as soon as it is available. We will provide further updates as the situation develops.
Sep 21, 13:39 UTC

Sep 21, 2026

Urgent Solana - Devnet and Testnet - Upgrade to Agave v4.3.0-rc.1
Completed - The scheduled maintenance has been completed.
Sep 21, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 20, 10:00 UTC
Scheduled - We are upgrading our Solana Devnet and Testnet infrastructure to Agave v4.3.0-rc.1

During the maintenance window, brief interruptions to RPC availability may occur.
RPC Changes:
- getBlock, getTransaction, blockSubscribe — requests that combine encoding: "base58" (or "binary") with maxSupportedTransactionVersion >= 1 are now rejected with JSON-RPC error -32602, "base58 encoding is not supported with maxSupportedTransactionVersion >= 1". Use json, jsonParsed or base64 encoding for Transaction V1 requests; base58 with maxSupportedTransactionVersion: 0 continues to work as before.
- getInflationReward — the address list is now capped at 32 addresses per request; longer lists return JSON-RPC error -32602, "Too many inputs provided; max 32". Split larger queries into batches of 32.
- confirmed commitment — a slot is now reported as confirmed only once the node's local bank for that slot is frozen with a hash matching the cluster's. As a result, confirmed-commitment reads and accountSubscribe / programSubscribe notifications may arrive marginally later than before.
- Streams — Yellowstone gRPC moves to v16.0.0-rc9. The changes are additive only (a new block_footer message and new bank_id fields); existing subscriptions continue to work unchanged and no client update is required.

No JSON-RPC method is added, removed, or changed in its parameters in this release.
Sep 20, 08:31 UTC

Sep 20, 2026

Sep 19, 2026

No incidents reported.

Sep 18, 2026

[Urgent] Vana - Mainnet - Hard Fork Upgrade
Completed - The scheduled maintenance has been completed.
Sep 18, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 18, 12:00 UTC
Scheduled - We are upgrading our Vana Mainnet infrastructure to support the network's hard fork scheduled for September 21, 2026 at 12:29 PM UTC.

During the maintenance window, brief interruptions to RPC availability may occur.
Sep 15, 15:50 UTC

Sep 17, 2026

[Urgent] Ault Testnet - Upgrade to v2.2.0
Completed - The scheduled maintenance has been completed.
Sep 17, 23:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 22:30 UTC
Scheduled - Ault Testnet is undergoing a network upgrade to v2.2.0-rc.0 at 23:00 UTC on September 17, 2026. This upgrade will be executed via an automatically approved governance proposal.

During the maintenance window, brief interruptions to RPC availability may occur.
Sep 15, 14:23 UTC
[Standard] Arbitrum, Nova, Robinhood, Gravity - Mainnet and Testnet - Upgrade to Nitro v3.11.4
Completed - The scheduled maintenance has been completed.
Sep 17, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 11:00 UTC
Scheduled - We are upgrading our Arbitrum stack infrastructure across Arbitrum Mainnet, Arbitrum Nova, Arbitrum One, Robinhood Chain, and Gravity Alpham to Nitro v3.11.4. This is a node software release with no chain consensus changes.

During the maintenance window, brief interruptions to RPC availability may occur.
Sep 10, 19:14 UTC
[Standard] Stacks Mainnet and Testnet - Upgrade stacks-blockchain-api to v9.2.0
Completed - The scheduled maintenance has been completed.
Sep 17, 08:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 00:00 UTC
Scheduled - We are upgrading our Stacks Mainnet and Testnet API infrastructure to stacks-blockchain-api v9.2.0. This release introduces three new v3 API endpoints for batch transactions, staking bond events, and staking rewards totals, and fixes a bug in Bitcoin rewards counting that incorrectly mixed PoX reward distribution amounts with burned amounts.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- Batch transactions endpoint (v3) — New endpoint added for querying batch transaction data.
- Staking bond events endpoint (v3) — New endpoint added for retrieving staking bond event information.
- Staking rewards totals endpoint (v3) — New endpoint added for querying aggregated staking rewards data.
- Bitcoin rewards — Bug fix corrects the count and distribution of Bitcoin rewards; responses from rewards-related endpoints will now reflect accurate PoX amounts separate from burned amounts.

https://github.com/hirosystems/stacks-blockchain-api/releases/tag/v9.2.0
Sep 9, 15:54 UTC
[Standard] Ethereum Mainnet and Testnets - Upgrade to Nethermind v1.39.3
Completed - The scheduled maintenance has been completed.
Sep 17, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 01:00 UTC
Scheduled - We are upgrading our Ethereum Mainnet and Testnet nethermind infrastructure to v1.39.3. This release consolidates several updates published since v1.38.0, most notably a security update to underlying .NET dependencies addressing multiple CVEs, along with reliability and hardening fixes to request decoding and memory handling.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC changes:
- The non-spec error field has been removed from transaction receipt responses.
- eth_simulateV1 now bounds total block expansion across a simulation request.

https://github.com/NethermindEth/nethermind/releases/tag/1.39.3
Sep 9, 16:40 UTC

Sep 16, 2026

Hyperliquid Mainnet - Increased Latency
Resolved - The elevated latency issue affecting Hyperliquid Mainnet has been resolved. All systems are operating normally. We will continue to monitor for any recurrence.
Sep 16, 19:12 UTC
Investigating - We are investigating increased latency of Hyperliquid Mainnet - we will update this page as we acquire new information.
Sep 16, 19:03 UTC
[Urgent] Avalanche Mainnet - Upgrade to AvalancheGo v1.15.0
Completed - The scheduled maintenance has been completed.
Sep 16, 15:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 11:00 UTC
Scheduled - We are upgrading our Avalanche Mainnet infrastructure to AvalancheGo v1.15.0 to support the Helicon network upgrade, scheduled to activate at 11 AM ET (3 PM UTC) on Tuesday, September 22nd, 2026. Helicon introduces C-Chain Async Execution (ACP-194), Auto-Renewed Staking (ACP-236), Validator Uptime Requirements Increase (ACP-267), Reduced Minimum Validator Staking Duration (ACP-273), Dynamic Minimum C-Chain Gas Price (ACP-283), and Reduced Minimum Consumption Rate (ACP-285). This release includes significant breaking changes to C-Chain APIs and configuration.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- pending block — Now resolves to the last executed block by default.
- latest block — Now resolves to the last executed block.
- safe and finalized blocks — Both now resolve to the last settled block.
- avax.getAtomicTxStatus — This RPC is deprecated; use avax.getAtomicTx instead.

https://github.com/ava-labs/avalanchego/releases/tag/v1.15.0
Sep 9, 18:05 UTC
[Standard] Ethereum Mainnet and Testnets - Upgrade to Erigon v3.6.1
Completed - The scheduled maintenance has been completed.
Sep 16, 07:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 01:02 UTC
Scheduled - We are upgrading our Ethereum Mainnet and Testnet infrastructure to Erigon v3.6.1. This release delivers more reliable Caplin block production, pruned-node snapshot reclamation, plain commitment snapshots for faster state access, and several RPC improvements.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- eth_getBalance — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_getCode — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_getStorageAt — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_getTransactionCount — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_getProof — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_getStorageValues — Now defaults an omitted block parameter to `latest` instead of requiring explicit specification.
- eth_newFilter — Idle filters now expire after five minutes; clients must poll within the timeout or recreate the filter. Configure `--rpc.subscription.filters.timeout` or set to `0` to disable eviction.
- eth_newBlockFilter — Idle filters now expire after five minutes; clients must poll within the timeout or recreate the filter. Configure `--rpc.subscription.filters.timeout` or set to `0` to disable eviction.
- eth_newPendingTransactionFilter — Idle filters now expire after five minutes; clients must poll within the timeout or recreate the filter. Configure `--rpc.subscription.filters.timeout` or set to `0` to disable eviction.
- JSON-RPC block number format — Quoted decimal block numbers such as `“3”` are now rejected; use `“0x3"`, a bare integer, or a named tag instead.
- Streaming trace errors — Error responses no longer include `result: null` alongside `error`.
- eth_fillTransaction — New method added; fills missing transaction fields and returns the unsigned raw transaction plus its JSON form, compatible with geth.
- eth_getWitness — With `--prune.include-commitment-history`, now builds and verifies a lean witness for any block within retained history.
- trace_block — Can now include beacon-withdrawal balance changes through the optional `IncludeWithdrawals` trace setting.
- trace_replayBlockTransactions — Can now include beacon-withdrawal balance changes through the optional `IncludeWithdrawals` trace setting.
- Receipt and log RPCs — Historical receipts are off by default on fresh datadirs in every prune mode; without the cache, receipt and log RPCs re-execute within the state-history window at higher latency. Blocks-mode operators needing receipts and logs back to genesis must use `--prune.include-receipts --prune.receipts.distance=keep-all`.
- Pending transaction reporting — Transactions waiting in the base-fee sub-pool were previously reported as queued instead of pending, understating pending transaction counts returned to clients and tooling. This is now corrected.

https://github.com/erigontech/erigon/releases/tag/v3.6.1
Sep 9, 16:13 UTC
Solana Testnet - Network Stalled
Resolved - This incident has been resolved.
Sep 16, 06:11 UTC
Investigating - Solana Testnet appears to have stalled at block 440004508 — This is a chain wide stall. We are following up with the Foundation channel and working toward restoring normal block progression. Further updates will be provided as the situation develops.
Sep 8, 11:28 UTC
[Standard] Op-stack chains (Mainnets and Testnets) - Upgrade to op-node-v1.19.7 & op-reth-v2.4.4
Completed - The scheduled maintenance has been completed.
Sep 16, 06:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 00:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Sep 11, 19:49 UTC
Scheduled - We are upgrading our Op-stack infrastructure to op-node v1.19.7 & op-reth-v2.4.4. The upgrade addresses security-sensitive dependency updates, hardens derivation logic against batch-splicing attacks, and fixes a sequencer shutdown hang.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
Deposit transaction decoding — Logic has been hardened to improve validation and security of deposit transaction processing in RPC responses.

https://github.com/ethereum-optimism/optimism/releases/tag/op-node/v1.19.7
https://github.com/ethereum-optimism/optimism/releases/tag/op-reth/v2.4.4
Sep 9, 17:16 UTC
[Standard] Ethereum Mainnet and Testnets - Upgrade to Reth v2.5.2
Completed - The scheduled maintenance has been completed.
Sep 16, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 01:00 UTC
Scheduled - We are upgrading our Ethereum reth infrastructure to v2.5.2. This upgrade includes maintenance improvements from v2.5.1 and v2.5.2, including a fix for a startup issue that could occur after finalization leaves gaps in write-ahead logs, improved handling for networks with dynamically scheduled forks to update their fork configuration without a restart, more reliable payload building when a build resolves early, a fix for how storage data is handled during batched persistence, and internal file-handling and logging improvements.

During the maintenance window, brief interruptions to RPC availability may occur.

This release does not include any changes to end-user facing RPC methods or API behavior.

https://github.com/paradigmxyz/reth/releases/tag/v2.5.2
Sep 9, 16:21 UTC
[Urgent] Sui - Testnet - Upgrade to testnet-v1.80.0
Completed - The scheduled maintenance has been completed.
Sep 16, 03:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 01:01 UTC
Scheduled - We are upgrading our Sui Testnet infrastructure to testnet-v1.80.0.

This release introduces Protocol Version 137 with significant gas model refinements, expanded API surface across gRPC and JSON-RPC, new Move VM features including allowances support, and enhanced transaction validation.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- SuiTransactionBlockEffects.shared_objects — Field is now derived from accessed consensus objects, which can include implicitly read system objects such as the accumulator root. Consumers treating this field as declared shared inputs must filter against transaction inputs to avoid breaking logic.
- Transaction effects gRPC response — V1 transaction effects now include their derived lamport version in v2 RPC responses.
- QueryEndReason behavior — Terminal metadata on queries ending on an empty natural interval now emits `QueryEndReason::CheckpointBound` with `watermark.checkpoint = None` instead of `CursorBound`; no client migration required.
- GraphQL Subscription root type — The `Subscription` root type (`checkpoints`, `events`, `transactions`) is now part of the production schema; operators must enable it per deployment.
- GraphQL historical subscription backfill — Can now consume V1 effects from archival KV-RPC.
- Transaction validation — Additional signing time checks now reject structurally invalid transactions earlier.

https://github.com/MystenLabs/sui/releases/tag/testnet-v1.80.0
Sep 15, 19:15 UTC

Sep 15, 2026

Base Mainnet Degraded Performance
Resolved - This incident has been resolved.
Sep 15, 23:16 UTC
Update - We are continuing to monitor for any further issues.
Sep 15, 22:48 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Sep 15, 22:48 UTC
Investigating - The Quicknode team is investigating the degraded performance of Base Mainnet - we will update this page as we acquire new information.
Sep 15, 20:30 UTC
[Standard] Polygon Mainnet & Amoy - Upgrade to Bor v2.10.1
Completed - The scheduled maintenance has been completed.
Sep 15, 22:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 15, 14:00 UTC
Scheduled - We are upgrading our Polygon infrastructure to Bor v2.10.1. This release introduces BlockSTM v2, a parallel transaction execution engine enabled by default that improves performance and consistency, along with devp2p peer jailing for enhanced network stability.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- eth_baseFee — New RPC method now available to query the current base fee per gas.

https://github.com/0xPolygon/bor/releases/tag/v2.10.1
Sep 8, 18:25 UTC
[Urgent] Injective - Testnet - Upgrade to v1.20.4-beta
Completed - The scheduled maintenance has been completed.
Sep 15, 14:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 15, 13:30 UTC
Scheduled - Injective Testnet is undergoing a network upgrade to v1.20.4-beta on Tuesday, September 15 at approximately 14:06 UTC (block height 140157000). This upgrade includes stability and correctness improvements across the chain.

During the maintenance window, brief interruptions to RPC availability may occur.

https://github.com/InjectiveFoundation/injective-core/releases/tag/v1.20.4-beta-1789322390
Sep 14, 16:07 UTC
[Standard] Hedera Mainnet and Testnet - Upgrade Mirror Node to v0.163.1
Completed - The scheduled maintenance has been completed.
Sep 15, 04:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 15, 00:00 UTC
Scheduled - We are upgrading our Hedera Mainnet and Testnet Mirror Node infrastructure to v0.163.1. This release focuses on security fixes, bug corrections, and performance improvements. Notable enhancements include optimized contract storage lookups in web3 that eliminate an unbounded per-contract cache, support for HIP-1261 simple fees in gas price calculations for contract REST APIs, and improved block node streaming.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- contract storage lookups (web3) — Performance optimized by removing an unbounded per-contract cache that could cause quadratic query growth under load.
- gas price calculation (contract REST APIs) — Now supports HIP-1261 simple fee schedules when calculating gas prices.
- HCS transaction alias resolution — Aliases on HCS transactions are now properly resolved in the importer.
- contract results endpoints — Responses no longer include transaction_index=null entries.
- block root hashing — Refactored to use a fixed 16-slot sub Merkle tree for improved consistency.

https://github.com/hiero-ledger/hiero-mirror-node/releases/tag/v0.163.1
Sep 8, 20:24 UTC

Sep 14, 2026

[Urgent] Starknet Mainnet - Upgrade to Pathfinder v0.24.0
Completed - The scheduled maintenance has been completed.
Sep 14, 20:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 14, 14:00 UTC
Scheduled - We are upgrading our Starknet Mainnet infrastructure to Pathfinder v0.24.0. This release enables support for Starknet 0.14.4, improves RPC WebSocket reliability and connection limits, and hardens the feeder-gateway trace fallback against slow or untrusted responses.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- WebSocket connections — Server now initiates pings to detect inactive clients; clients MUST respond to pings per RFC 6455 or face disconnection. Clients that do not read from the connection for longer than the ping interval times the missed ping limit will be disconnected. The keepalive cannot be disabled; ping interval, initial frame timeout, and max missed pings all reject 0 as a value.
- WebSocket connection limit — Concurrently open RPC WebSocket connections are now limited to 1024 by default; upgrade requests exceeding this limit are rejected with HTTP 503.
- WebSocket initial frame timeout — RPC WebSocket connections that do not send anything after being established now time out.
- WebSocket subscription teardown — Subscriptions are now torn down when their WebSocket connection closes, instead of at the next send attempt.

https://github.com/equilibriumco/pathfinder/releases/tag/v0.24.0
Sep 9, 14:51 UTC
Litecoin Mainnet and Testnet - Upgrade to Litecoin Core v0.21.5.8
Completed - The scheduled maintenance has been completed.
Sep 14, 15:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 14, 07:00 UTC
Scheduled - This is a maintenance release that improves MWEB validation, transaction relay,
mining, and resource management.

https://github.com/litecoin-project/litecoin/releases/tag/v0.21.5.8
Sep 14, 04:02 UTC
[Standard] Celestia - Mainnet and Mocha Testnet - Upgrade to v0.33.0 / v0.33.0-mocha
Completed - The scheduled maintenance has been completed.
Sep 14, 07:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 14, 01:00 UTC
Scheduled - We are upgrading our Celestia Mainnet infrastructure to v0.33.0 and our Mocha Testnet infrastructure to v0.33.0-mocha. The Mainnet release removes the deprecated DA API namespace, improves bridge node reliability with multi-source block ingestion, includes several security fixes, and also carries forward shrex-eds sync performance improvements of roughly 2.5x; the release notes recommend upgrading as soon as possible. The Mocha Testnet release focuses on sync performance improvements, delivering roughly 2.5x faster sync throughput. During the maintenance window, brief interruptions to RPC availability may occur on both networks.

RPC Changes: da.* namespace (Mainnet) — API decommissioned: all da.* JSON-RPC methods are removed in this release; calls to these methods will fail. Users should update integrations immediately.

Mainnet release: https://github.com/celestiaorg/celestia-node/releases/tag/v0.33.0
Mocha Testnet release: https://github.com/celestiaorg/celestia-node/releases/tag/v0.33.0-mocha
Sep 8, 19:28 UTC
[Urgent] Monad - Mainnet - Upgrade to v0.16.2
Completed - The scheduled maintenance has been completed.
Sep 14, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 14, 01:00 UTC
Scheduled - We are upgrading our Monad Mainnet infrastructure to v0.16.2.
This release delivers JSON-RPC error code corrections, improved zero-fee call handling, EIP-1898 compatibility fixes, and enhanced robustness across consensus and RPC layers.

During the maintenance window, brief interruptions to RPC availability may occur.

RPC Changes:
- eth_call — JSON-RPC error codes have been corrected; zero maxFeePerGas values are no longer raised to the base fee, matching geth and reth behavior.
- eth_estimateGas — JSON-RPC error codes and messages have been corrected.
- eth_simulateV1 — JSON-RPC error codes and messages have been corrected.
- eth_createAccessList — Now accepts state overrides as an additional parameter.
- debug_* methods — JSON-RPC error codes and messages have been corrected across all debug_* handlers.
- BlockTagOrHash parameter — EIP-1898 compatibility has been fixed for methods accepting block tag or hash parameters.
- eth_feeHistory — Now includes a concurrency limiter to bound memory consumption on large block ranges.
- WebSocket handlers — JSON-RPC error codes and messages have been corrected for WebSocket subscriptions and responses.

https://github.com/category-labs/monad-bft/releases/tag/v0.16.2
Sep 10, 18:19 UTC
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