Following the email vote at the end of 2020, the 2021 edition of the Class Rules has been published and is now available on the World Sailing website.
The rules can be downloaded here and came into effect from 1st February 2021
https://www.sailing.org/tools/documents/OKD2021CR20210107Rev2-[26902].pdf
The class rule changes are listed here:
https://www.sailing.org/tools/documents/OKD2021CRC20210107-[26901].pdf
The 2021 edition of the Measurement Form can be found here:
https://www.sailing.org/tools/documents/OKDinghyMeasurementForm2021-[22681].pdf