This has been fixed. Version number was missing.

Yes it is possible, you can use post discussion widget below every post.

Not that hard, you can simply export JSON format of questions, answers, comments and users. You you can process JSON using wp-cli. There was a partial tutorial on our forum (please use search).

you are working great.   thanks for this nice plugin

Your WP directory don’t have proper permissions. You need to do chown -r nginx:nginx path/to/wp/root

Yes its possible. when you enable anonymous then both asker and answer can post as anonymous.