1.8.0

Minor changes

• Date pickers (COMPONENT_SPEC §27, M10): Compose's DatePicker (calendar with month paging and the year grid, switchable to the date input), DateRangePicker (a scrolling month list with the range band, switchable to start / end inputs) and DatePickerDialog, plus m3.material.io's docked date picker. m3e-tokens generates the date picker's Compose values, state layers, docked values and motion (date-picker-defaults.css); m3e-css adds date-picker.css; m3e-motion ports the calendar model, DatePickerState / DateRangePickerState, the input's pattern, parser and validator and drawRangeBackground (checked against a JVM run of the vendored Kotlin); m3e-elements adds <m3e-date-picker>, <m3e-date-range-picker>, <m3e-docked-date-picker>, their layout entries and the lazily loaded date-field entry; m3e-react adds DatePicker, DateRangePicker, DockedDatePicker and DatePickerDialog.

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• Time pickers (COMPONENT_SPEC §28, M10): Compose's dial TimePicker (baseline and vibrant, vertical and horizontal), TimeInput (baseline, vibrant, uncontained with the side column) and the expressive TimeScroll wheels, with the updated AM/PM toggle buttons. m3e-tokens generates the vibrant, side column, scroll field, dialog and motion values (time-picker-defaults.css); m3e-css adds time-picker.css (dial, fields, wheels and the .m3e-time-picker-dialog surface); m3e-motion ports TimePickerState / AnalogTimePickerState, CircularLayout's placement, TimeInputTransformation and ScrollField's paging (checked against a JVM run of the vendored Kotlin); m3e-elements adds <m3e-time-picker>, <m3e-time-input>, <m3e-time-scroll> and the shared time-picker-layout entry; m3e-react adds TimePicker, TimeInput, TimeScroll, TimePickerModeToggle, TimePickerDialog and VibrantTimePickerDialog.

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• API review fixes (M11, D16: additive; every old name keeps working, is @deprecated and goes in 2.0). m3e-elements: the inner inputs' native input / change no longer reach the host of <m3e-time-input>, <m3e-docked-date-picker> and the date pickers' input mode, nor the input's native select the host of <m3e-search>, so host listeners see only the element's CustomEvent; every element with events exports an M3e<Name>EventMap with typed addEventListener / removeEventListener (type-only) and its detail types (OpenChangeDetail, ExpandedChangeDetail, ValueDetail, …); <m3e-button-group> fires selection-change and takes disallow-empty-selection (change, selection-required deprecated), <m3e-list selection-mode> (selection deprecated), carousel items fire a bubbling action (item-click deprecated), <m3e-slider variant orientation> (centered, vertical deprecated), <m3e-side-sheet back-button> (the back attribute deprecated), <m3e-bottom-sheet open> with open-change, the time pickers' selection-change detail gains value; SelectableDates, YearRange, DatePickerDisplayMode and SideSheetVariantOption are exported; the helpers shared with m3e-react are tagged @internal. m3e-css: two-rows top app bars read the public --m3e-comp-top-app-bar-container-collapsed-height / -expanded-height. m3e-react: FabMenu isOpen, isExpanded on FloatingToolbar, SearchBar and ExtendedFab, scrollBehavior="exit-always" on the toolbars, DatePicker / DateRangePicker showHeadline (the old names warn once in development), onDisplayModeChange(next) / onModeToggle(next) on the time pickers, and type exports for the prop types it used without exporting (SliderSize, SheetValue, BadgeValue, RoundedPolygon, IconButtonStyle, …); the D4 *Props types are @deprecated and fabClassName({ size: 'small' }) warns like <Fab size="small">.

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Patch changes

• Accessibility audit fixes (M11 hardening; no API change). The date pickers' fields, the chip sets' input chips and the lists get ids that are unique across bundles: the element entries and m3e-react (which bundles the same layouts) shared counters starting at 1, so an element and a React docked date picker on one page both made id="m3e-date-field-1" and the second label focused the first field. The modal date picker's month arrows each get their own 48dp slot, as Compose's IconButtons in MonthsNavigation do (they overlapped, leaving "previous month" 40 × 48), and today's day and the current year keep a full 48dp target inside their outline. The baseline filter chip's check slot no longer animates its width under prefers-reduced-motion (--m3e-comp-selectable-chip-icon-shrink-duration is 0ms there; the fade stays). In forced colors an enabled slider's inactive track is a CanvasText outline instead of GrayText, which now means disabled only. A bottom sheet's overflowing, focusable content is a role="group" named like its sheet, in both layers.

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• Package READMEs (M11 docs; no code change). m3e-react lists every component and hook, grouped by COMPONENT_SPEC section, with the D4 deprecations and the props renamed in 1.8, and its usage example now imports material-symbols.css (without it, icons render as their names). m3e-elements documents <m3e-bottom-sheet> (open, value, value-change, open-change) and the top app bar (attachTopAppBarScroll and the public --m3e-comp-top-app-bar-container-{collapsed,expanded}-height properties). m3e-css lists every component file with its class, which ones need JavaScript, and its deprecated classes.

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• Source register, category (a) (M11): values that the pinned sources already settle, now cited instead of marked TODO(verify). The navigation drawer divider uses outline-variant, matching Compose's DividerTokens.Color and the m3.material.io token DB, which deprecates the drawer's own divider token for the standalone divider token (SOURCES #33). The docked date picker's year arrows are labelled "Previous year" / "Next year", the wording in m3.material.io Date pickers › Accessibility (SOURCES #89). Citations only, with no value change, for #50, #57, #63, #64, #69, #76 and #77.

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• Bundle and d.ts build (M11 hardening; no API or behavior change). m3e-elements emits its declarations with one tsc pass and bundles the .d.ts files per entry, so its build no longer needs a 4 GB heap (it fits 512 MB) and every public type path and exported type stays the same. m3e-react bundles the m3e-elements code it uses from source, so m3e-motion and m3e-shapes are imported once instead of also being inlined a second time (m3e-react (all) −1.9 kB, dist 778 → 540 KB). Element classes declare static properties in a pure form, so bundlers drop element classes a page imports without registering them; module-level constants in m3e-motion (app-bar-scroll, menu-position) and m3e-shapes (TwoPi) no longer leave code behind in every import.

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