- After a drag past either end of the range, the first arrow key now
steps back from the value shown instead of doing nothing.
- With the Selection tool, a plain double-click on a blend widget no
longer edits or isolates the artwork under it, or leaves isolation.
Ctrl/Cmd+Shift double-click still releases a guide there.
- docs/mcp.md says the lower widget shows only when the steps follow
the spine, and the G13 blend easing entry in docs/gaps.md no longer
lists on-canvas easing handles as missing.