
Hedera (HBAR) Calendar: Release Schedule, Listings, Hard Fork, Halving





Mainnet v.0.37 Upgrade
Hedera will be upgrading Hedera mainnet to v0.37 on Wednesday, May 17th 2023 at 17:00 UTC.
Mainnet v.0.36.x Upgrade
Hedera will be upgrading Hedera mainnet to v0.36.x on Tuesday, April 25th 2023 at 17:00 UTC.
Testnet v.0.37.x
Hedera will be upgrading the Hedera testnet to v0.37.x on Monday, April 24th 2023 at 18:00 UTC.
Testnet v.0.36.x Upgrade
Hedera will be upgrading the Hedera testnet to v0.36.x on Tuesday, April 4th 2023 at 17:00 UTC.
Testnet v.0.35.1 Upgrade
Hedera will be performing a short-notice upgrade to testnet to v0.35.1 on Thursday, March 16th 2023 at 16:00 UTC.
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Testnet v.0.35.x Upgrade
Hedera will be upgrading the Hedera testnet to v0.35.x on Thursday, February 23rd 2023 at 17:00 UTC.
Testnet Reset
The reset will start at 17:00 UTC and is estimated to take approximately 120min.
Testnet v.0.34.x Upgrade
Hedera will be upgrading the Hedera testnet to v0.34.x on Thursday, January 24th 2023 at 17:00 UTC.
Mainnet v.0.33.x Upgrade
Hedera will be upgrading Hedera mainnet to v0.33.x on Thursday, January 12th 2023 at 17:00 UTC.
Testnet v.0.33.x Upgrade
Hedera will be upgrading the Hedera testnet to v0.33.x on Thursday, December, 22nd 2022 at 17:00 UTC.
Mainnet v.31.x Upgrade
Hedera will be upgrading Hedera mainnet to v0.31.x on Friday, December 9th 2022 at 17:00 UTC.
Testnet v.0.31.4 Upgrade
Hedera will be upgrading the Hedera testnet to v0.31.4 on Thursday, December 1 2022 at 17:00 UTC.