The next Kintone update is 12th January 2018. The release also includes these API updates..

Kintone REST API

Bug fixes

• APIs: Add Record, Add Records, Update Record, Update Records
  • Condition: A value other than a number is specified for the value of the Calculated field.
  • Bug: A validation error occurs, and a status code of 400 is returned.
  • Fix: The value will be ignored, and no error will occur.

Kintone JavaScript API

New features

• Get Concurrency Limit API
  The kintone.api.getConcurrencyLimit() function can be called to get the current number of simultaneous calls and the maximum number of calls you can make simultaneously in your Kintone domain.