Changelog

What changed in each release.

Changelog

All notable changes to Kingfisher Video Studio are documented here.

[Unreleased]

[0.3.0] - 2026-07-05

Added

  • Delete selected timeline element via Backspace/Delete
  • Thumbnails in the media pool and on timeline clips (filmstrip previews)

Changed

  • Landing page app screenshot updated (app_screen2.png) with pulsing turquoise/orange glow

Fixed

  • Main-thread freeze when selecting the first clip (macOS slider tick-mark layout stall)
  • Reduce first playback latency by pre-warming the custom timeline compositor pipeline
  • Playhead scrubbing now updates the preview player smoothly across clip boundaries

[0.2.0] - 2026-07-04

Added

  • Bilingual UI (English / Polski) in the macOS app with first-launch language onboarding
  • Language switcher in the app toolbar and application menu (Kingfisher Video Studio → Language)
  • Landing page i18n (EN/PL) with header language toggle
  • Download button showing the current version from appcast.xml
  • Public download counter on the landing page (tracked via /api/download)
  • Google Analytics on the landing page
  • Effects sidebar tab with drag-and-drop transitions at clip boundaries
  • Dedicated transition inspector (duration, timeline handle)

Changed

  • Landing page Kingfisher visual rebrand (turquoise/orange palette, icon, gradient buttons)
  • Feedback voting UI: thumb-up control with gradient active state
  • OAuth sign-in buttons styled to match the landing brand
  • Transition compositing rebuilt as separate timeline placements with cached boundary frames

Fixed

  • Black frames during playback when adjacent clips touch
  • Letterbox bleed showing the next clip before the current one ends
  • Per-segment track isolation in the timeline compositor

[0.1.0] - 2026-07-04

Added

  • Initial alpha release
  • Timeline editor with video and audio tracks
  • Per-clip color grading (exposure, brightness, contrast, saturation, temperature, clarity)
  • Transitions (crossfade, fade to black)
  • Slow-motion with frame interpolation on Apple Silicon (macOS 15.4+)
  • Export to H.264/HEVC at multiple resolutions and frame rates
  • Project save/load (.kvsproj)
  • Sparkle auto-update support
  • Landing page with feedback, changelog, newsletter signup, and alpha download

Notes

  • Alpha builds are ad-hoc signed (not notarized). See landing page install steps after download.
  • Requires macOS 14+. AI slow-mo requires macOS 15.4+ and Apple Silicon.