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aaronpk_tv
Was able to reproduce this after carefully reading the other thread. The key is this: https://github.com/snarfed/wordpress-micropub/issues/104#issuecomment-359267767
If you save the writing settings page, it writes a blank value for micropub_default_post_status
to the database, so then the get_option
call later will return the blank value instead of the default.