Maintenance
December 2025
Dec 09, 2025
1 maintenance
Polygon Mainnet - Hard Fork "Madhugiri" and "MadhugiriPro"
Maintenance
Resolved Dec 09 at 10:00am UTC
Polygon Mainnet is undergoing a Hard Fork on Tuesday, Dec 9th at 10.00 UTC for Madhugiri AND MadhugiriPro (block 80084800)
- https://forum.polygon.technology/t/bor-v2-5-0-and-erigon-v3-3-0-for-amoy-and-mainnet/21413
- https://github.com/0xPolygon/erigon/releases/tag/v3.3.0
- https://github.com/0xPolygon/bor/releases/tag/v2.5.0
No downtime is expected
Dec 16, 2025
1 maintenance
Cronos (Mainnet) - v1.6.1 Breaking Upgrade
Maintenance
Maintenance Dec 16 at 07:00am UTC
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 45062800
- 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/v1.6.1
January 2026
February 2026