• Ensure that formatBalance does not apply unit overrides apply when no SI is applicable
• Adjust formatBalance(<balance>, <options>) to take expanded withUnit: string | boolean option where string is an actual unit, e.g. KSM
• The decimals option to formatBalance should now be passed as part of the options (previous last-param deprecated)
• The .setSS58Format on keyring will now just operate on pairs created on the keyring, not globally. The global setSS58Format in @polkadot/util-crypto will be deprecated.
• The deprecated addressPrefix option to keyring has been belatedly removed (Use ss58Format rather)