Hedera Status
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Status updates for the Hedera mainnet, testnet, and previewnet. For the latest Hedera news, follow: @hedera
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Scheduled (Jun 3, 2021, 16:00 UTC): Hedera will be upgrading Mainnet to v0.14.0 (release notes: ) on Thursday, June 3rd 2021 at 16:00 UTC. We will also add one additional node, Chainlink Labs node 21 (0.0.23) br…
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Scheduled (May 6, 2021, 16:00 UTC): Hedera will be upgrading Mainnet to v0.13.2 (release notes: ) on Thursday, May 6th 2021 at 16:00 UTC. This update will enable the new Scheduled Transactions feature. We will a…
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Scheduled (Oct 7, 2021, 16:00 UTC): Hedera will be upgrading Mainnet to v0.18.x (release notes: ) on Thursday, October 7th 2021 at 16:00 UTC. It is estimated to take approximately 2.5 hours during which time all…
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Resolved: The Hedera mainnet has been upgraded to patch the vulnerability and mainnet is now running and available.
Details on the attack will soon be made available.
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Resolved: The issue is now resolved on Mainnet. The `MAX_ENTITIES_IN_PRICE_REGIME_HAVE_BEEN_CREATED` error was caused by the increased network usage and adoption we’re seeing from multiple applications. Although the network capacity w…
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Completed: Completed: The Hedera mainnet upgrade to v0.27.7 has been completed successfully!
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Scheduled (Aug 5, 2021, 18:00 UTC): Hedera will be upgrading Mainnet to v0.16.1 (release notes: ) on Thursday, August 5th 2021 at 18:00 UTC. It is estimated to take approximately 2.5 hours during which time all …
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Scheduled (Mar 12, 2021, 18:00 UTC): Hedera will be upgrading Mainnet to v0.12.0 (release notes: ) on Friday, March 12th 2021 at 18:00 UTC. We will also add two additional nodes, Standard Bank node 16 (0.0.19) a…
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Scheduled (Sep 2, 2021, 16:00 UTC): Hedera will be upgrading Mainnet to v0.17.3 (release notes: ) on Thursday, September 2nd 2021 at 16:00 UTC. It is estimated to take approximately 2.5 hours during which time a…
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Scheduled (Aug 19, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.17.1 (release notes: ) on Thursday August 19th 2021 at 16:00 UTC. The restart will take approximately 2 hours to complete, during w…
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Investigating: Out of an abundance of caution & safety for retail users, Hedera is turning off network proxies on mainnet, effectively making it inaccessible.
Hedera core will continue to work through the smart contract irregularity.…
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Scheduled (Jan 9, 2024, 18:00 UTC): Hedera will be upgrading Hedera mainnet to v0.45 on Tuesday, January 9 2024 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network s…
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Identified: Today, attackers exploited the Smart Contract Service code of the Hedera mainnet to transfer Hedera Token Service tokens held by victims’ accounts to their own account. The attacker targeted accounts used as liquidity pool…
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Scheduled (May 20, 2021, 17:00 UTC): Hedera will be upgrading the Testnet to v0.14.0 (release notes: ) on Thursday May 20th 2021 at 17:00 UTC. The restart will take approximately 2 hours to complete, during whic…
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Completed: The mainnet upgrade to v0.22.4 has been completed successfully. See for information on the release
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Completed: The mainnet v0.13.2 upgrade has been completed successfully. Nodes 6 (account 0.0.9), 7 (account 0.0.10), 14 (account 0.0.17) were brought online. EDF France (account 0.0.21) and Shinhan Bank (account 0.0.22) were added. No…
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Scheduled (Feb 3, 2022, 17:00 UTC): Hedera will be upgrading Mainnet to v0.22.x (release notes: ) on Thursday, February 3rd 2022 at 17:00 UTC. It is estimated to take approximately 2 hours during which time all …
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Scheduled (Oct 18, 2022, 16:00 UTC): Hedera will be upgrading Hedera mainnet to v0.30.x on Tuesday, October 18 2022 at 16:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netwo…
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Scheduled (Jul 1, 2021, 18:00 UTC): Hedera will be upgrading Mainnet to v0.15.1 (release notes: ) on Thursday, July 1st 2021 at 18:00 UTC. It is estimated to take approximately 2.5 hours during which time all ne…
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Scheduled (Jan 7, 2021, 18:00 UTC): Hedera will be upgrading the Mainnet to v0.10.0 (release notes: ) on Thursday, Jan 7th 2021 at 18:00 UTC. In v0.10.0 the accountbalance CSV file name will go back to the forma…
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Scheduled (Jan 6, 2022, 17:00 UTC): Hedera will be upgrading Mainnet to v0.21.x (release notes: ) on Thursday, January 6th 2021 at 17:00 UTC. It is estimated to take approximately 2 hours during which time all n…
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Scheduled (Aug 4, 2022, 20:00 UTC): Hedera will be upgrading the Hedera testnet to v0.28.x on Thursday, August 04 2022 at 20:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to ne…
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Scheduled (Jun 17, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.15.0 (release notes: ) on Thursday June 17th 2021 at 18:00 UTC. The restart will take approximately 2 hours to complete, during whi…
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Scheduled (Mar 31, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.35.2 on Friday, March 31st 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to networ…
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Scheduled (Jul 22, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.16.0 (release notes: ) on Thursday July 22nd 2021 at 18:00 UTC. The restart will take approximately 2 hours to complete, during whi…
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Scheduled (Sep 1, 2021, 19:00 UTC): Hedera will be upgrading the public mirror node REST API (mainnet) on Wednesday, September 1st at 19:00 UTC. This upgrade should not affect accessibility and will take approximately 4 hours to compl…
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Scheduled (Nov 4, 2021, 16:00 UTC): Hedera will be upgrading Mainnet to v0.19.x (release notes: ) on Thursday, November 4th 2021 at 16:00 UTC. It is estimated to take approximately 2.5 hours during which time al…
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Scheduled (Jul 11, 2023, 16:00 UTC): Hedera will be upgrading Hedera mainnet to v0.39 on Tuesday, July 11 2023 at 16:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network se…
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Scheduled (Oct 24, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.42 on Tuesday, October 24th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netwo…
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Identified: The issue has been identified and a fix is being implemented.
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Scheduled (Sep 23, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.18.0 (release notes: ) on Thursday, September 23rd 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, dur…
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Scheduled (Feb 9, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.34.x on Thursday, February 9th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to net…
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Scheduled (Dec 2, 2021, 17:00 UTC): Hedera will be upgrading Mainnet to v0.20.x (release notes: ) on Thursday, December 2nd 2021 at 17:00 UTC. It is estimated to take approximately 2.5 hours during which time al…
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Monitoring: A fix has been rolled out and we are monitoring its impact
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Scheduled (Apr 29, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.13.1 to enable Schedule Transactions (release notes: ) on Thursday, April 29th 2021 at 18:00 UTC. The upgrade will take approximate…
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Scheduled (Apr 6, 2021, 18:00 UTC): The Hedera mainnet will undergo maintenance on Tuesday, April 6th, 2021 at 18:00 UTC. It's estimated to take approximately 2 hours (but may be extended) during which time all network services will b…
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Scheduled (Nov 27, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.44 on Monday, November 27 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network…
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Scheduled (Jul 1, 2021, 18:00 UTC): Hedera will be upgrading Mainnet to v0.15.1 (release notes: ) on Thursday, July 1st 2021 at 18:00 UTC. It is estimated to take approximately 2.5 hours during which time all ne…
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Scheduled (Feb 20, 2024, 18:00 UTC): Hedera will be upgrading Hedera mainnet to v0.46 on Tuesday, February 20 2024 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to networ…
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Scheduled (Jun 29, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.15.2 (release notes: ) on Tuesday 29th 2021 at 18:00 UTC. The restart will take approximately 2 hours to complete, during which tim…
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Scheduled (Jan 12, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.33.x on Thursday, January 12th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to ne…
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Scheduled (Apr 20, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.36.x on Thursday, April 20th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netw…
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Scheduled (May 6, 2021, 16:00 UTC): Maintenance will begin as scheduled in 60 minutes.
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Scheduled (Oct 21, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.19.0 on Thursday October, 21st 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, during which time all network services on the H…
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Scheduled (Mar 13, 2024, 18:00 UTC): Hedera will be upgrading Hedera mainnet to v0.47 on Wednesday, March 13 2024 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network…
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Scheduled (Nov 30, 2023, 18:00 UTC): Hedera will be upgrading the Hedera testnet to v0.44 on Thursday, November 30th 2023 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to…
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Scheduled (Jan 21, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.11.0 (release notes: ) on Thursday, Jan 21st 2021 at 18:00 UTC. After this upgrade, the file formats for record streams, record str…
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Scheduled (Feb 26, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.12.0 (release notes: ) on Friday, Feb 26th 2021 at 18:00 UTC. The restart will take approximately 2 hours to complete, during which…
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Scheduled (Aug 30, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.17.4 on Monday, August 30th 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, during which time all network services on the Hede…
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Scheduled (Dec 19, 2023, 18:00 UTC): Hedera will be upgrading Hedera mainnet to v0.44 on Tuesday, December 19th 2023 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netw…
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Completed: The Mainnet v0.14.0 upgrade has been completed successfully. Node 13 (account 0.0.16) and Node 15 (account 0.0.18) were brought online. Chainlink Labs Node 20 (account 0.0.23) was added. See for the …
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Scheduled (Jun 3, 2021, 16:00 UTC): Maintenance will begin as scheduled in 60 minutes.
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Investigating: Hedera testnet is observing a network outage across all nodes. We are investigating the cause and working to mitigate the impact on applications.
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Scheduled (Nov 18, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.20.x on Thursday November, 18th 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, during which time all network services on the …
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Scheduled (Nov 14, 2023, 18:00 UTC): Hedera will be upgrading Hedera mainnet to v0.43 on Tuesday, November 14th 2023 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netw…
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Scheduled (Jan 13, 2022, 17:00 UTC): Hedera will be upgrading Mainnet to v0.21.x (release notes: ) on Thursday, January 13th 2021 at 17:00 UTC. It is estimated to take approximately 2 hours during which time all…
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In Progress: Scheduled maintenance is currently in progress. We will provide updates as necessary.
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Identified: Hedera has observed an issue where, in rare cases, submitting a ContractCall transaction that swaps >50% of an account’s HBAR balance may fail. If triggered, an “insufficient balance” error will display, even when there is…
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Completed: The Mainnet upgrade to v0.17.4 has been completed successfully. This includes support for HIP-17(Non-fungible tokens). See for information on the release.
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Investigating: token associate operations on mainnet are showing low rates of success.
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Scheduled (Oct 21, 2022, 16:00 UTC): Hedera will be performing a short-notice upgrade to Mainnet to v0.30.5 on Friday, October 21st 2022 at 16:00 UTC. The upgrade will take approximately 1 hour to complete, during which time all netwo…
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Scheduled (Aug 9, 2022, 16:00 UTC): Hedera will be upgrading Hedera mainnet to v0.27.x on Tuesday, August 09 2022 at 16:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network…
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Scheduled (Apr 22, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.13.0 (release notes: ) on Thursday, April 22nd 2021 at 18:00 UTC. The upgrade will take approximately 2 hours to complete, during w…
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Scheduled (Jun 8, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.38 on Thursday, June 8th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network s…
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Scheduled (Oct 14, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.18.2 on Thursday October, 14th 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, during which time all network services on the H…
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Completed: The mainnet v0.12.0 upgrade has been completed successfully. Nodes 4 (0.0.7) and 16 (0.0.19) were taken offline due to networking issues. Node 17 (account 0.0.20) has been brought online. We will schedule a subsequent maint…
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Scheduled (Oct 7, 2021, 16:00 UTC): Maintenance will begin as scheduled in 60 minutes.
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Completed: The Mainnet v0.15.1 upgrade has been completed successfully. Node 15 (account 0.0.18) was brought back online. See for the release notes.
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Scheduled (Oct 26, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.43 on Tuesday, October 26th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to n…
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Completed: Completed: The Hedera mainnet upgrade to v0.27 has been completed successfully!
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Scheduled (Jan 24, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.34.x on Tuesday, January 24th at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netw…
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Scheduled (Aug 24, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.17.3 on Tuesday, September 24th 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, during which time all network services on the …
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In Progress: Scheduled maintenance is currently in progress. We will provide updates as necessary.
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Scheduled (Apr 18, 2024, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.48 on Thursday, April 18th 2024 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to networ…
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Scheduled (Jan 26, 2023, 17:00 UTC): Hedera will begin resetting the testnet on a quarterly basis, starting on January 26th, 2023, during which time the testenet will be offline.
Regularly resetting the Hedera testnet ensures declutt…
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Investigating: Hedera is observing an incident with mirrornode processing transactions. We are investigating the cause and working to mitigate the impact on applications.
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Scheduled (Jul 18, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.40 on Tuesday, July 18th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netw…
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Scheduled (Dec 21, 2021, 16:00 UTC): Hedera will be upgrading the Testnet to v0.21.x (release notes: ) on Tuesday, December 21st 2021 at 16:00 UTC. The upgrade will take approximately 2 hours to complete, durin…
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26
Scheduled (Apr 25, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.36.x on Tuesday, April 25th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netwo…
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Completed: The Mainnet upgrade to v0.24.2 has been completed successfully. See for information on the release.
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Scheduled (Feb 18, 2021, 18:00 UTC): Hedera will be upgrading the Testnet to v0.12.0 (release notes: ) on Thursday, Feb 18th 2021 at 18:00 UTC. The restart will take approximately 2 hours to complete, during whi…
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Scheduled (Jun 21, 2023, 16:00 UTC): Hedera will be upgrading the Hedera testnet to v0.39 on Wednesday, June 21st 2023 at 16:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to ne…
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Completed: The mainnet upgrade to v0.21.2 has been completed successfully. See for information on the release
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Scheduled (Dec 9, 2022, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.31.x on Friday, December 9th 2022 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to netwo…
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Scheduled (Apr 4, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.36.x on Tuesday, April 4th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to net…
1
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Scheduled (Dec 28, 2023, 18:00 UTC): Hedera will be upgrading the Hedera testnet to v0.45 on Thursday, December 28 2023 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to n…
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Scheduled (Feb 9, 2022, 20:00 UTC): Hedera will be performing a short-notice upgrade to Mainnet to v0.22.5 on Wednesday, February 9th 2022 at 20:00 UTC. The upgrade will take approximately 1 hour to complete, during which time all net…
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27
Scheduled (Feb 23, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.35.x on Thursday, February 23rd 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption …
3
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25
Scheduled (May 17, 2023, 17:00 UTC): Hedera will be upgrading Hedera mainnet to v0.37 on Wednesday, May 17th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network…
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Completed: The Mainnet v0.16.1 upgrade has been completed successfully. Node 12 (account 0.0.15) and Node 17 (account 0.0.20) were brought back online. Node 15 (account 0.0.18) encountered issues during the upgrade and was taken offli…
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24
Scheduled (Apr 13, 2023, 17:00 UTC): Hedera will be upgrading the Hedera testnet to v0.36.2 on Thursday, April 13th 2023 at 17:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to …
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Scheduled (Mar 16, 2021, 18:00 UTC): The Hedera mainnet will undergo maintenance on Tuesday, March 16th, 2021 at 18:00 UTC. It's estimated to take approximately 2 hours but may be extended. Nodes 4 (0.0.7), 15 (0.0.18), and 16 (0.0.19…
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Scheduled (Mar 12, 2021, 20:19 UTC): Hedera will be upgrading Mainnet to v0.12.0 (release notes: ) on Friday, March 12th 2021 at 18:00 UTC. We will also add two additional nodes, Standard Bank node 16 (0.0.19) a…
2
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24
Scheduled (Sep 27, 2022, 16:00 UTC): Hedera will be upgrading Hedera mainnet to v0.29.x on Tuesday, September 27 2022 at 16:00 UTC. This maintenance was originally intended to be performed on Thursday, September 22 2022. The upgrade …
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Verifying: The Hedera mainnet has been upgraded to v0.45.2. The network is now available for use while additional verification of the upgrade is being performed. You can view the release notes for v0.45.2 here:
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Resolved: Hedera core engineering has confirmed that the mirrornode is now functional; mainnet transactions which occurred during the period of mirrornode downtime are now queryable. Mirrornode operators are advised to upgrade to vers…
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Scheduled (May 9, 2023, 18:00 UTC): Hedera will be upgrading the Hedera testnet to v0.37 on Tuesday, May 9th 2023 at 18:00 UTC. The upgrade will take approximately 60 minutes to complete, users should expect some disruption to network…
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Completed: The testnet upgrade to v0.15.1 has been completed successfully. See for information on the release.
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Scheduled (Feb 3, 2022, 17:00 UTC): Maintenance will begin as scheduled in 60 minutes.
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Scheduled (Jan 10, 2022, 17:00 UTC): Hedera will be upgrading Testnet to v0.21.2 (release notes: ) on Monday, January 10th 2021 at 17:00 UTC. It is estimated to take approximately 2 hours during which time all n…
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