User guide.
The guide lives in the repository next to the code it describes, so it changes in the same commits. Each chapter below opens on GitHub; a bilingual English and Japanese manual is in the same folder.
Workspaces
Working comfortably
10. Settings and layout
11. Keyboard and stylus
13. Accessibility, collaboration and automation
When something goes wrong
12. Troubleshooting and recovery
16. Feature maturity reference
15. Known gaps (the Missing Hundred)
Bilingual manual: docs/user-manual-bilingual. Questions that the guide does not answer belong on the forum or in Discussions.