The API uses semantic versioning.
TL;DR: Given a version number MAJOR.MINOR.PATCH, increment the:
Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.
New was changed to deliver only an address, not the full Account dataExport was moved from External API to the UI Server APIaccount_EcRecover-method was reimplemented.account_sign(address, data) was replaced with account_signData(contentType, address, data).
The addition of contentType makes it possible to use the method for different types of objects, such as:
account_signTypedData implements EIP-712 and makes it possible to sign typed data.account_Ecrecover-method was removed.account_Import-method was removed.account_List-method was changed to not expose url, which contained info about the local filesystem. It now returns only a list of addresses.73abaf04b1372fa4c43201fb1b8019fe6b0a6f8d, move from into transaction object in signTransaction. This
makes the accounts_signTransaction identical to the old eth_signTransaction.Initial release.