1.Fixed the local transaction volume calculation error in The kernel layer , fixed the sequence error of the size of the block header storage, added a unit test to the verification layer, optimized the rollback logic and block index

2. Improved FlashMessage display, added features “reset password”, “export key with password “ and “detail page”

3. Supported multi-signature transactions in dashboard; the transaction details page displayed the output address, confirmation number and gas; the account details page added the address list, and distinguished the receiving address and the change address

4. Dashboard added mining button

5. Used dynamic link to solve the problem that static compilation must link all library under MacOS

6. Improved the Docker image and improve the usage of the Docker

7. Fixed the null pointer caused by rpc core server not started in miner, added mining interface

8. Updated the README, and add some instructions of “make” for interested developers

9. Fixed a bug that windows and linux platforms will not close properly when bytomd exits

10.Completed the benchmark test and sorted out the relevant data of the benchmark test result

11. Trading Pool Illegal Trading Test, coinbase Trading Test

12.p2p stability test, includes repairing dial-out bugs, resolving the problem of inconsistent dialing between inbound outbound nodes, and resolving inconsistencies between bk peers and sw peers

13. Fixed the problem that transaction history does not display properly when sending transactions containing other types of assets across nodes

14.Fixed build-transaction, sign-submit-transaction, delete-key, and check-access-token interface bugs

15.Removed useless data structures, including asset and account tags, remove transaction control_account action