The only exception was Automattic. They are very proud of everything and how clear their communication is, which it was for most of the time. I got invited to slack, got links with a lot of information. Then I had the interview, which from my point of view wasn't too bad.
After the interview I got told that they won't move forward. I can apply again after a year after I improved my skills. No word about what they thought didn't match the position. Slack channel closed, no response to my email asking what they were missing.