---
version: "0.3.0"
date: "2026-04-15"
published: true
title: "Masks, animation & more"
description: "This release adds masks, a graph editor for keyframe curves, volume and speed controls, preview zoom, canvas backgrounds, stickers, and a lot more."
summary: "Masks, graph editor for curves, volume & speed controls, preview zoom, canvas backgrounds, and stickers."
changes:
  - type: new
    text: "Added a brand page with downloadable brand assets. Assets are also accessible directly from the header logo context menu."
  - type: fixed
    text: "Sponsor logos now correctly invert in dark mode."
  - type: improved
    text: "Added a changelog link to the footer."
  - type: fixed
    text: "Media asset cards in the grid view were larger than their thumbnails, leaving empty space around each item. Cards now size to their content."
  - type: improved
    text: "Playback performance is dramatically better. The editor used to slow to a crawl during playback, and audio would stutter when interacting with elements mid-play. Both are fixed."
  - type: fixed
    text: "Project thumbnails now generate correctly even when the timeline is empty. If you set a background color or gradient with no clips, the thumbnail reflects that instead of staying blank."
  - type: fixed
    text: "Clicking a selected element no longer keeps the rest of the selection."
  - type: improved
    text: "More vertical space between timeline tracks. Selection outlines on adjacent tracks no longer overlap each other."
  - type: fixed
    text: "Track labels on the left side of the timeline were misaligned with the tracks on the right."
  - type: improved
    text: "Holding Shift or Ctrl while drag-selecting in the timeline now adds to your existing selection instead of replacing it. Matches how Shift/Ctrl+click already worked."
  - type: improved
    text: "Timeline track rows now highlight when they contain a selected element, making it easier to see which tracks are active at a glance."
  - type: fixed
    text: "Clicking in the empty space below timeline tracks now seeks the playhead."
  - type: fixed
    text: "Timeline vertical scroll now works anywhere in the panel, not just over the track labels. The header no longer scrolls with the tracks."
  - type: new
    text: "Scale now has separate width and height controls. You can stretch or squash elements independently on each axis."
  - type: improved
    text: "System fonts (Arial, Helvetica, Times New Roman, and others) now appear in the font picker alongside Google Fonts."
  - type: fixed
    text: "MP4 exports with audio failed on Firefox. The export now completes successfully regardless of browser."
  - type: improved
    text: "Your projects can disappear if your disk runs low on space. OpenCut now asks the browser to protect them."
  - type: improved
    text: "The properties panel has been redesigned with a tabbed layout."
  - type: new
    text: "Volume control for audio and video elements."
  - type: new
    text: "Speed control for video and audio clips. Includes a maintain pitch option so audio doesn't chipmunk or deepen when you change the rate."
  - type: improved
    text: "Audio waveforms have gotten an upgrade. The old ones were inaccurate, prone to crashing, and not very useful. The new ones are RMS-based, properly scaled, and only render what's visible so they don't slow things down."
  - type: improved
    text: "The timeline now opens scrolled to the bottom, so your main video track is visible right away instead of being hidden above the fold."
  - type: fixed
    text: "Snap guides in the preview panel didn't show when moving a full-canvas element to the center of the frame."
  - type: fixed
    text: "The rotation handle could float above the editor UI when an element was near the top of the canvas. It now clips to the preview area."
  - type: fixed
    text: "Images with a blur effect at 0% intensity would disappear completely when a blurred background was also active. Now 0% blur correctly renders the image unchanged."
  - type: fixed
    text: "Section titles in the properties panel showed the wrong text color when the section wasn't collapsible. Non-collapsible titles now use the correct muted style."
  - type: new
    text: "Masks. Hide or reveal parts of any video or image layer. Choose from split, rectangle, ellipse, star, heart, diamond, and cinematic bars. Adjust position, size, rotation, feather, and stroke in the properties panel, or drag the handles in the preview."
  - type: improved
    text: "The settings panel has been redesigned with a cleaner layout and better organization."
  - type: new
    text: "Canvas backgrounds are back. Set a blur, solid color, or gradient as the canvas background from the new Background tab in the settings panel."
  - type: fixed
    text: "Blur looked pixelated at higher intensities instead of producing a real blur. Both the canvas background blur and the blur effect are now fixed."
  - type: new
    text: "Custom canvas size. Instead of being locked to a handful of presets, you can now enter any width and height you want."
  - type: new
    text: "Preview zoom and panning. Zoom into the canvas to work on fine details, and pan around to navigate when zoomed in."
  - type: new
    text: "Stickers panel now has content. Browse and add country flags and shapes."
  - type: improved
    text: "You can now select multiple assets in the assets panel. Useful for deleting several at once."
  - type: fixed
    text: "Auto-generated captions were sometimes inaccurate. The underlying issue has been fixed."
  - type: new
    text: "You can now import transcript files to generate captions instead of running auto-transcription."
  - type: new
    text: "Graph editor for keyframe curves. Shape the easing between keyframes by dragging bezier handles."
  - type: fixed
    text: "Text element handles no longer shift position as you type."
  - type: new
    text: "Multiple selected timeline clips move and resize together."
  - type: fixed
    text: "The rotation handle drifted further and further from the element as the canvas size got smaller. On a 100x100 project it was almost off-screen. The gap is now a fixed size regardless of canvas dimensions or zoom."
  - type: new
    text: "Position X and Y can now be animated independently."
  - type: new
    text: "Keyframes can be copied and pasted between elements."
  - type: new
    text: 'Timeline clips can expand to show a lane for each animated property. Right-click a clip -> "Expand keyframes" to see all properties in their own rows.'
  - type: improved
    text: "If your browser doesn't support GPU-accelerated rendering, the editor now shows a notice explaining why and suggests switching to another browser."
  - type: technical
    text: "Ripple editing now has a proper algorithmic foundation. The old inline approach was replaced with a diff-based system in `src/lib/ripple/`: track snapshots before and after an operation are compared as interval sets, vacated intervals are computed (accounting for elements moved to other tracks), and the result is a list of explicit `RippleAdjustment` values applied in a separate pass. Composable, testable, and independent of the command that triggered it."
  - type: technical
    text: "Time is now represented as `MediaTime`, an integer tick count at 120,000 ticks per second, defined in `rust/crates/time`. Previously, floating-point seconds were used throughout, which accumulated rounding errors and made frame alignment imprecise. 120,000 was chosen because it divides evenly by every standard frame rate denominator, including drop-frame rates: 23.976 maps to 5,005 ticks/frame, 29.97 to 4,004, 30 to 4,000. `FrameRate` is a rational `{numerator, denominator}` type rather than a float. All time arithmetic, frame snapping, and timecode formatting are implemented in Rust and exposed via WASM."
  - type: technical
    text: "Track ordering is now enforced at the type level. `SceneTracks` replaces a flat track array with three explicit fields: `overlay`, `main` (a singleton `VideoTrack`), and `audio`. The type makes it structurally impossible to mix track kinds or misplace a track."
  - type: technical
    text: "The WebGL renderer has been replaced with a Rust/wgpu compositor compiled to WASM. The `rust/` crate tree covers compositing (`rust/crates/compositor`), effects (`rust/crates/effects`), masks with JFA-based feathering (`rust/crates/masks`), GPU context (`rust/crates/gpu`), and time (`rust/crates/time`). WASM bindings live in `rust/wasm/` and are consumed from TypeScript through `src/lib/wasm/`. The old GLSL shaders and WebGL utilities are gone."
  - type: technical
    text: "`src/types/` and `src/constants/` have been dissolved. All types and constants now live alongside the code that owns them inside `src/lib/`. The `packages/env` and `packages/ui` internal packages were also folded into the web app, with icons at `src/components/icons/` and env at `src/lib/env/`."
  - type: technical
    text: "The web app can now deploy to Cloudflare Workers via OpenNext. `wrangler.jsonc` and `apps/web/open-next.config.ts` are included for anyone self-hosting."
  - type: technical
    text: "`apps/desktop/` is a new GPUI + Rust app. It is early: there is a `main.rs` and a working build setup, but no features yet."
  - type: technical
    text: "16 new storage migration steps were added (v9 through v25), covering the schema changes accumulated during this release cycle."

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