Maintenance

Polygon Amoy (Testnet) will have a Hard Fork at block height 31890000. The expected times for the hardfork is on Wed, Jan 07, 2026, 12:00 PM UTC.

• https://forum.polygon.technology/t/bor-v2-5-6-beta6-and-erigon-v3-3-6-beta3/21537
• No outage is expected

Polygon (Mainnet) will have a Hard Fork at block height 81424000. The expected times for the hardfork is on Jan 09, 2026, 02:00 PM UTC

• https://forum.polygon.technology/t/bor-v2-5-6-and-erigon-v3-3-6/21547
• No outage is expected

Solana (Mainnet) requires an urgent update to v3.0.14. Pending confirmation from Solana Foundation to execute it immediately.

• https://x.com/SolanaStatus/status/2009875480229617696
• https://coingape.com/solana-pushes-critical-validator-update-to-protect-mainnet-stability/
• Outages are not expected. However, there can be intermittent errors across methods as upstream nodes are updated.

Polygon (Mainnet) is undergoing an urgent update for Heimdall v0.5.5 requested by Polygon Foundation.

• https://github.com/0xPolygon/heimdall-v2/releases/tag/v0.5.5

Berachain (Mainnet) will undergo an upgrade

• No downtime is expected. However, there may be temporary service disruptions

BSC (Mainnet) will undergo the Fermi Hard Fork upgrade

• https://www.bnbchain.org/en/blog/fermi-hard-fork-accelerates-bsc-to-0-45-second-block-times
• No downtime is expected. However, there may be temporary service disruptions

Polygon Amoy (Testnet) is undergoing the Hard Fork "Lisovo" on Friday, Feb 12th at 02.00 PM UTC (block 33634700)

• https://amoy.polygonscan.com/block/countdown/33634700
• https://forum.polygon.technology/t/bor-v2-6-0-beta-and-erigon-v3-4-0-beta-for-amoy/21683

Polygon Amoy (Testnet) is undergoing the Hard Fork "LisovoPro" on block 34062000, at around 4 PM UTC, February 17th, 2026.

• https://amoy.polygonscan.com/block/countdown/34062000
• https://forum.polygon.technology/t/bor-v2-6-0-beta2-and-erigon-v3-4-0-beta2-for-amoy/21747

Cosmos (Mainnet) is undergoing a mandatory upgrade to Gaia v26.0.0. Scheduled at height 29837600. Approximately Feb 18, 2026 14:30 (UTC)

• https://atomscan.com/blocks/29837600
• https://www.mintscan.io/cosmos/proposals/1024
• https://github.com/cosmos/gaia/releases/tag/v26.0.0

Polygon (Mainnet) is undergoing the Hard Fork "Lisovo/LisovoPro" on block 83756500, at around 2 PM UTC, March 4th 2026

• https://polygonscan.com/block/countdown/83756500
• https://forum.polygon.technology/t/bor-v2-6-0-and-erigon-v3-4-0-for-mainnet-and-amoy/21757

The Cronos Foundation has announced a breaking Upgrade with a minimum estimated downtime of ~30 min. Affected services:

• The upgrade is scheduled at block height: 58,825,800
• Cronos EVM Mainnet block production
• Cronos EVM Mainnet Explorer (https://explorer.cronos.org/)
• Cronos EVM Mainnet IBC transactions
• Cronos EVM Mainnet endpoints (https://evm.cronos.org/ , https://rpc.cronos.org/ )
• https://github.com/crypto-org-chain/cronos/releases/tag/v1.7.0

Polygon Amoy (Testnet) is undergoing a Hard Fork on Monday, March 23, 2026, 02:00 PM UTC for "Giugliano" (block: 35573500)

• https://forum.polygon.technology/t/bor-v2-7-0-beta2-and-erigon-v3-5-0-beta2-for-amoy/21809
• https://amoy.polygonscan.com/block/countdown/35573500

No downtime is expected

Celo (Mainnet) is undergoing a Hard Fork on Tue, Mar 31, 2026, 12:06:28 UTC for "Jovian"

• https://forum.celo.org/t/jovian-hardfork-live-on-celo-sepolia-coming-to-mainnet/13122
• https://docs.celo.org/infra-partners/notices/jovian-upgrade

No downtime is expected