Composer On Google Platform Not Available For Python 3

According to the documentation here: https://cloud.google.com/composer/docs/release-notes Composer (GCP's Airflow) is supposed to be available for Python 3 in the console. However,

Solution 1:

Python3 support is a beta feature in Composer, this doc describes how to enable and use beta feature in Cloud Composer.

Solution 2:

I was confronted with the same problem and I was able to solve it. Since there is a checkbox of Enable Beta Features on the upper right corner of the console screen, you can select it by enabling it here.