Unable to initialize the API: undefined is not a function #317
Description
reports of 1.4.0 release being unable to connect with mainnet
Unable to initialize the API: undefined is not a function
Debugging shows this line may be the cause
https://github.com/polkadot-js/api/blob/033cba718d31e8bbd8b90ece99b7e9e6a7db579d/packages/api/src/base/Init.ts#L250
const metadataKey = `${this._genesisHash?.toHex() || '0x'}-${runtimeVersion.specVersion.toString()}`;