• Add support for ECDSA keypairs in extrinsic signers (Thanks to https://github.com/akru)
• Rework type generation to use templating for better maintenance (Thanks to https://github.com/xlc)
• Adjust extrinsic sign/signAsync signature to optional options (Thanks to https://github.com/KiChjang)
• Support round-robin endpoints in the WsProvider with array of urls (Thanks to https://github.com/hoani)
• Remove static test-only metadata for Polkadot dev chains (not updated regularly, Substrate dev to remain)
• Revert error swallow for wrong preimage data (temp. override for Kusama upgrade with no migration)
• Fix .encodedLength calculation on [Type; N] types
• Add new rpc.grandpa.roundState RPC
• Update types & metadata as per latest Substrate master
• Adjust Centrifuge starting version