I’ll just post some titles here to give you ideas.
#4550: Improve the page title and meta descriptions of theme author archives
#4549: Noindex’ing thin theme author indexes
#4548: Noindex empty support profile subpages
#4547: Documentation – WordPress.org is a dead/empty template/page
#4546: Invalid date format requests to News URLs should 301 redirect
#4545: Make ‘homepages’ and paginated states omit canonical URL tags
#4544: Plugin tags with only one member should not be linked to
#4543: Plugin tag pages with fewer than 3 members should be noindex’d
#4542: Contributor references in news/announcement posts should have a trailing slash
#4541: Change the title formatting on Profile templates
These are the latest batch. Most are submitted by one person, so here is a link to a list of his tickets: