Block category: Common
November 1, 2018The Common category includes the following blocks: Paragraph, image, headings, list, gallery, quote, audio, cover, video. The paragraph block is the default block type. It should not have any alignment of any kind. It should just flow like you would normally expect. Nothing fancy.
Block category: Embeds
November 1, 2018This post tests various embed blocks:
Post Format: Video (WordPress.tv)
June 3, 2010Posted as per the instructions in the Codex.
Edge Case: Many Tags
June 1, 2009This post has many tags.