v0.0.18

Features

• usm: Drag an activity group or a step to reorder the columns. The whole column (its head and every cell under it) lifts as one piece, and it can be dropped on any part of another column, which lights from its head to its last cell. Steps move only inside their own activity.
• usm: A "Critical path" toggle in the map toolbar highlights the chain of unfinished stories with the most work left and dims the rest. It is navigation (highlight=critical-path), so it can be linked.
• usm: The page tabs keep to one line; the ones that do not fit fold behind a "…" menu, while the current tab always stays shown.

Bug Fixes

• usm: The map filters stay in a sticky row under the tabs while the map scrolls.
• usm: The empty Labels page now only says that labels can be added.

Improvements

• usm: Tighter vertical spacing on the map's backbone rows, the page tabs and the filter row, so more of the map fits on screen.

Full Changelog: v0.0.17...v0.0.18