Hi Martin, Welcome to the Atlassian Community!
Is this what your're looking for? https://bitbucket.org/account/settings/app-passwords/
You can access it by clicking your profile icon and choose personal settings
Beginning on April 4th, we will be implementing push limits. This means that your push cannot be completed if it is over 3.5 GB. If you do attempt to complete a push that is over 3.5 GB, it will fail...
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