v4.0.531
remotion-dev/remotionv4.0.531Sep 30, 2026by JonnyBurger
Upgrading?
AI Summary
A follow-up release addressing Chrome 157 compatibility and fixing several studio rendering bugs, while introducing new UI tools like waveform visualization and a Speed Lines storytelling element.
Key Highlights
- Adapted HTML-in-canvas to Chrome 157 implementation
- Studio improvements: Split captions with Enter, decibel-scale waveforms, and fixed timeline resize flicker
- New Speed Lines storytelling element
- CLI fallback to Webpack in WebContainers
New Features
- Studio: Split captions, decibel-scale waveforms, link release titles
- Elements: Speed Lines
- Renderer: Compensate libfdk_aac priming, require `videoBitrate` with `encodingBufferSize` for VP8/VP9/AV1
- Skills: Premount timed components
Full Release Notes
## What's Changed - `remotion`: Adapt HTML-in-canvas to Chrome 157 implementation by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11829 - `remotion`: Fix connected compositions for `Interactive.withSchema()` by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11814 - `remotion`: Hide composition-root `Interactive.withSchema()` sequence from timeline by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11836 - `remotion`: Remove `loop` from `Interactive.baseSchema` by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11800 - `@remotion/studio`: Split captions with Enter by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11805 - `@remotion/studio`: Link update release titles to GitHub releases by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11830 - `@remotion/studio`: Remove uneven dimension warnings from composition dialogs by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11810 - `@remotion/studio`: Fix multi-selection timeline resize flicker by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11806 - `@remotion/studio`: Fix vertical timeline jump while scrubbing by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11838 - `@remotion/timeline-utils`: Display timeline waveforms on a decibel scale by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11804 - `@remotion/transitions`: Show `TransitionSeries.Overlay` in JSX order in Studio by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11841 - `@remotion/studio-server`: Reject file source paths outside the project by @DeryFerd in https://github.com/remotion-dev/remotion/pull/11751 - `@remotion/cli`: Fall back to Webpack in WebContainers by @samohovets in https://github.com/remotion-dev/remotion/pull/11799 - `@remotion/renderer`: Compensate libfdk_aac priming when muxing ADTS into MP4/MOV by @nicolascoutureau in https://github.com/remotion-dev/remotion/pull/11705 - `@remotion/renderer`: Require `videoBitrate` with `encodingBufferSize` for VP8, VP9 and AV1 by @developerjillur in https://github.com/remotion-dev/remotion/pull/11818 - `create-video`: Default Tailwind prompt to No and fix installation opt-out by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11812 - `create-video`: Suppress npm install warnings by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11807 - `@remotion/promo-pages`: Add Browser Studio links to templates by @samohovets in https://github.com/remotion-dev/remotion/pull/11803 ## Elements - Add Speed Lines storytelling element by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11843 - Make caption Elements flexible in size by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11802 - Cap library card widths and limit rows to three columns by @samohovets in https://github.com/remotion-dev/remotion/pull/11833 - Fix navbar flash on first Studio library load by @samohovets in https://github.com/remotion-dev/remotion/pull/11828 ## Templates - Hello World template: Make title and logo editable in Studio by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11848 - Electron template: Bump electron from 40.8.5 to 40.10.2 by @app/dependabot in https://github.com/remotion-dev/remotion/pull/11822 ## Skills - Open Studio preview before building videos by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11837 - Premount timed components in Remotion markup by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11840 ## Docs - [Make Browse Elements in Studio discoverable](https://remotion.dev/docs/studio/browse-elements) by @samohovets in https://github.com/remotion-dev/remotion/pull/11797 - Clarify ElevenLabs transcript input formats by @samohovets in https://github.com/remotion-dev/remotion/pull/11821 ## Internal and Experimental - `@remotion/canvas`: Add `queueSequenceNodePathRemappings()` to apply codemod remappings with the next Fast Refresh by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11778 - `@remotion/agent-plugin`: Remove portable manifest from Codex releases by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11808 - remotion.dev/brand: Make the Whats New video editable in Studio by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11811 - Internal testbed: Add WhatsNew video composition by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11825 - Internal testbed: Make Portfolio text layers editable by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11831 - Internal: Add `--old` option to `./new` by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11827 - Skills: Add timed PR workflow script by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11834 ## New Contributors - @DeryFerd made their first contribution in https://github.com/remotion-dev/remotion/pull/11751 **Full Changelog**: https://github.com/remotion-dev/remotion/compare/v4.0.530...v4.0.531
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