Climatiq's emission factors are versioned, which means that in many endpoints you will need to provide a data version. This page lists the different data versions and the changes in each. You can use this information to more easily upgrade versions.
You can read more about Climatiq's data versioning here, or general tips on how to upgrade data versions here.
Data Version 2.2
Read about data version 2.2 here.
Data Version 1.1
Read about data version 1.1 here.
Data Version 0.0
Read about data release 0.0 here.