Maintenance

Polkadot-assethub Substrate API will is migrating.

• No outage is expected.
• Change: "useRpcBlock" feature

Official Migration Docs:

• https://github.com/paritytech/substrate-api-sidecar/blob/master/guides/ASSET_HUB_MIGRATION.md

Cosmos (Mainnet) is undergoing a mandatory update:

• https://www.mintscan.io/cosmos/proposals/1016
• https://github.com/cosmos/gaia/releases/tag/v25.2.0

Service availability may be temporarily affected until the update is fully deployed across all nodes and services.

Polygon Amoy (Testnet) is undergoing a Hard Fork on Thursday, Nov 20th at 10.00 UTC (block 29287400)

• 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

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

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