When editing projects the values for summary and content are filled in the right way.

The profile image on issues has double media proxy links. The media proxy shouldn't be used when it is used in the url.

The links in the Twitter ref posts are always textual urls in the tweets. These should be replaced with actual HTML links.

Comments on issues should be allowed to be webmentioned. A webmention with an in-reply-to h-entry to should be added as comment below the referenced issue.

Fix the author in the post or fix the way the author information is scraped. Either could be wrong or incomplete.