| ⇢ | A | Base58ExtendedKeySerializer added | |
| A | ↛ | HexExtendedKeySerializer removed |
| ⇢ | B | ExtendedKeySerializer::fromParser() added | |
| ⇢ | A | ExtendedKeySerializer::getTemplate() added | |
| ⇢ | A | Base58ExtendedKeySerializer::__construct() added | |
| ⇢ | A | Base58ExtendedKeySerializer::serialize() added | |
| ⇢ | A | Base58ExtendedKeySerializer::parse() added | |
| B | ↛ | HexExtendedKeySerializer::fromParser() removed | |
| A | ↛ | HexExtendedKeySerializer::__construct() removed | |
| A | ↛ | HexExtendedKeySerializer::getTemplate() removed | |
| A | ↛ | HexExtendedKeySerializer::serialize() removed | |
| A | ↛ | HexExtendedKeySerializer::parse() removed | |
| A | ↛ | HierarchicalKeySequence::__construct() removed | |
| A | ↛ | HierarchicalKeySequence::binaryMath() removed |