1. How to do wiki markup.
2. How to put button plackets, including offset plackets, into garments, without a pattern.
3. How to edit mp3 files in Audacity, at least on a basic level.
4. Some things about the dynamics between myself and my SO - specifically, things I should have been doing to minimize unnecessary conflict and do my share better.
5. Another belt worth of martial arts material.
6. A handful of things for work that I will not enumerate.