textInputFade becomes colorFade in theme.go and serves AvatarGroup,
Image retry, Tag and EditableText, which used internal.Fade. MyGo already
skips element transitions under ReduceMotion, so dropping the Motion
check keeps behaviour.
RuleDiamond draws the rule-diamond-rule of Heading, Dialog, Result, Card
titles and the ornament Divider; Frame draws the inset line with corner
diamonds of Card and decorated Dialog. Both snap the diamonds, and the
rule's diamond sits on the pixel-aligned line.
Snapshots: card (all densities, light and dark) moves the title rule's
diamond onto the rule's pixel row, an 8x8 region. Decorated dialog
(both densities, light and dark) loses the surface-colored halo under
each corner diamond, so the frame line now runs into the diamond as on
Card and the panel border is no longer notched at the corners.
Heading, Divider and Result render unchanged.
internal.PopIn is gone. Breadcrumb, NavigationMenu, Pagination, Menubar
panels, CommandPalette, Select (and the other selectPanel users),
datetime popups, ColorPicker and the StatusBar overflow now style their
panel with overlayStyle(c, panel, overlayEnter(c, panel)): one shadow
(0 6 18, 16% black, scaled by entry) and one 160 ms entry fade.
Snapshots: color_picker and command_palette (light and dark) change only
in the panel shadow. ColorPicker loses its 0 4 12 18% shadow for the
softer shared one; CommandPalette loses its heavy 0 12 32 30% shadow,
and its backdrop now fades by alpha with the panel instead of through
the backdrop's opacity. Fade and reduced-motion tests pass unchanged.