[v1.2.0] - 2026-09-29

What's Changed

• feat(demo): add local file import to advanced demo and document binImport by @ariefsn in #3
• feat(lib): add framework-free ./pure subpath with shared render helpers by @ariefsn in #4

Full Changelog: v1.1.0...v1.2.0

[v1.1.0] - 2026-06-15

[1.1.0] - 2026-06-15

Changed (breaking)

• i18n message keys renamed snake_case → camelCase. Every key in the Messages /
  MessagesOverride catalog is now camelCase (e.g. add_text → addText,
  background_opacity → backgroundOpacity, op_blocked_locked → opBlockedLocked). Hosts
  that pass a messages override must rename their keys to match. The exported type names
  (Messages, MessageKey, MessagesOverride) are unchanged.

Added

• Customizable preview background — the composition background (previously always black) can
  now be a solid color or a linear gradient, picked from a swatch button in the toolbar
  (and the bottom zoom bar on mobile). Each category has a full-width Solid/Gradient tab, 20
  presets, and custom pickers (gradient = two stops + angle), plus a transparent option. Stored on
  the project as ProjectBackground (background field; null = transparent) and exposed via the
  pure backgroundCss() helper so hosts render the same background on export. Older projects
  default to solid black, preserving the previous look. New exports: ProjectBackground,
  defaultProjectBackground, BACKGROUND_SOLID_PRESETS, BACKGROUND_GRADIENT_PRESETS,
  backgroundCss.
• Text clip border — per-text-clip border with a toggle, color picker, and width
  (TextClipStyle.borderColor / borderWidthPct), mirroring the existing background control.
• Customizable text shadow — when a text clip's shadow is enabled, its color, blur, and
  offset are now editable (TextClipStyle.shadowColor / shadowBlurPct / shadowOffsetPct)
  instead of a fixed black drop shadow. Older projects fall back to the previous look.
• Animation enter/exit tabs — the inspector's Animation section now switches between
  "On enter" and "On exit" with a tab instead of stacking both control sets.

Changed

• Select dropdowns now render a custom chevron (appearance-none + padding) so the arrow has
  comfortable spacing from the edge instead of sitting flush against it (affects the frame-rate,
  easing, and preset dropdowns).
• Popover gained an opt-in fixed mode that positions the panel in a viewport-clamped fixed
  layer, so popovers can't be clipped by an ancestor's overflow (used by the background picker
  inside the toolbar / bottom bar).
• Wider zoom-out range — the timeline minimum zoom (ZOOM_MIN) drops from 10 to 5 px/sec,
  letting long projects zoom out further.
• Group is now a toggle — groupSelection() (⌘G) ungroups a selection that is already a
  single group instead of reassigning a new group id (which only recolored it). Ungroup also
  stays available explicitly via ⌘⇧G.

Fixed

• Older projects now backfill newly-added text style fields during migration, so the inspector's
  Background/Border toggles always match what's rendered (previously an absent field could show a
  toggle in the wrong state).

[v1.0.0] - 2026-06-14

Initial public release of @ariefsn/svelte-video-editor — a host-agnostic, Svelte 5
video timeline editor with zero design-system dependency.

Added

• Timeline editing — clips, tracks, and trimming with CapCut/Premiere-style edits:
  ripple, roll, and slip. Includes clip grouping, linked audio, markers, in/out range
  selection, and full undo/redo history.
• Clip transitions — per-clip enter/exit animations (fade, slide-left, slide-right,
  slide-up, slide-down, scale, zoom, bounce, pop, spin, blur, wipe, flip)
  with frame-based duration and easing (linear, ease-in, ease-out, ease-in-out),
  scrubbed live by the playhead from the inspector's Animation section. Exposes the
  ClipAnimation, ClipTransition, AnimPreset, and Easing types plus ANIM_PRESETS,
  EASINGS, defaultTransition, and the pure clipAnimStyle(clip, playheadSec, fps) helper
  so hosts render transitions frame-for-frame on export. Each clip's animation round-trips
  through the project JSON.
• Real-time DOM preview — <video>/<audio>/canvas playback driven by
  requestAnimationFrame, fully replaceable with a custom preview renderer
  (Remotion, canvas, WebGL compositor, …).
• Host-agnostic contract — all external concerns (asset URLs, thumbnails, export,
  permissions, persistence, notifications, confirmation, i18n) are injected by the host.
  The library owns no storage and persists nothing itself.
• Responsive & mobile-ready UI — the media bin and clip inspector collapse into bottom
  sheets, the toolbar folds into an overflow menu, clip options are reachable by touch, and
  keyboard shortcuts are centrally managed.
• Customization — replace any editor section via snippets receiving SectionCtx;
  Tailwind v4 theming through --ts-* CSS variables with built-in light/dark palettes; and
  localization via the i18n message catalog.
• Atomic-design component library — atoms / molecules / organisms built with Svelte 5
  runes and strict TypeScript, with zero design-system dependency (no shadcn or bits-ui).
  Public API and theme tokens are exported from src/lib/index.ts and the shipped app.css.