v4.0.526
remotion-dev/remotionv4.0.526Sep 17, 2026by JonnyBurger
Upgrading?
AI Summary
This release focuses on performance optimizations and user experience improvements within Remotion Studio. It introduces new features like inline LUT support and credentialed image effects, while removing Prettier from file saving operations to speed up the workflow. Additionally, several UI enhancements were made to the timeline, inspector, and right-click actions.
Key Highlights
- Added `lut()` function in `@remotion/effects` for inline Cube color transforms.
- Studio UI improvements including keyframable fontWeight, collapsible inspector sections, and `.cube` file previews.
- Performance optimizations: Removed Prettier from save operations to speed up file saving.
- Support for credentialed images and new 'Generate with agent' interaction in Studio.
New Features
- Added `lut()` for inline Cube color transforms in `@remotion/effects`.
- Support for credentialed images with effects in `remotion`.
- Made `fontWeight` keyframable in `@remotion/studio`.
- Added 'Copy image' and 'Copy frame' right-click actions in `@remotion/studio`.
- Added 'Generate with agent' interaction in `@remotion/studio`.
- Show a preview of `.cube` files in `@remotion/studio`.
- Made inspector sections collapsible in `@remotion/studio`.
- Harden `parseSrt()` for pre-cue noise, CRLF, and dot-millis timestamps in `@remotion/captions`.
Full Release Notes
## What's Changed - [`@remotion/effects`: Add `lut()` for inline Cube color transforms](https://remotion.dev/docs/effects/lut) by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11380 - `remotion`: Fix read-only Studio resize crashes with `<Img>` by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11400 - `remotion`: Support credentialed images with effects by @alec-watts in https://github.com/remotion-dev/remotion/pull/11362 - `remotion`: Clamp negative `delayRender()` timeouts by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11375 - `@remotion/studio`: Make fontWeight keyframable by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11412 - `@remotion/studio`: Expand timeline properties when setting a keyframe by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11413 - `@remotion/studio`: Add "Copy image" right-click action by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11351 - `@remotion/studio`: Add "Copy frame" right-click action by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11381 - `@remotion/studio`: Show a preview of `.cube` files by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11388 - `@remotion/studio`: Make inspector sections collapsible by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11348 - `@remotion/studio`: Preview source in Fix computed value modal by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11387 - `@remotion/studio`: Restart with upgraded CLI by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11333 - `@remotion/studio`: Offer new composition when an Element drop cannot be inserted by @samohovets in https://github.com/remotion-dev/remotion/pull/11378 - `@remotion/studio`: Hide unavailable settings in read-only Studio by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11399 - `@remotion/studio`: Restore Source Inspector asset actions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11390 - `@remotion/studio`: Prevent selecting Inspector labels by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11352 - `@remotion/studio`: Fix duplicate Open in actions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11383 - `@remotion/studio`: Fix code frame line numbers while scrolling by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11389 - `@remotion/studio`: Fix duplicated timeline rows flickering after deletion by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11397 - `@remotion/studio`: Speed up canvas outline ordering by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11363 - `@remotion/studio`: Reduce timeline row renders during selection by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11338 - `@remotion/studio`: Save folder operations without Prettier by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11336 - `@remotion/studio`: Save JSX duplication without Prettier by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11347 - `@remotion/studio`: Add "Generate with agent" interaction by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11414 - `@remotion/studio-codemods`: Reorder sequences without Prettier by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11367 - `@remotion/studio-codemods`: Split video and audio without Prettier by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11368 - `@remotion/studio-codemods`: Remove Prettier from default props updates by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11379 - `@remotion/studio-codemods`: Remove Prettier from remaining codemods by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11386 - `@remotion/captions`: Harden `parseSrt()` for pre-cue noise, CRLF, and dot-millis timestamps by @Copilot in https://github.com/remotion-dev/remotion/pull/11360 - `@remotion/cli`: Fix `remotiond` startup under Deno by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11374 - `@remotion/whisper-webgpu`: Upgrade Transformers.js to 4.3.0 by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11366 ## Docs - Restructure License FAQ into topical sections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11369 - Restyle Copy page button by @samohovets in https://github.com/remotion-dev/remotion/pull/11395 ## Elements - Make third-party libraries discoverable by @samohovets in https://github.com/remotion-dev/remotion/pull/11339 - Add third-party libraries to Studio by @samohovets in https://github.com/remotion-dev/remotion/pull/11340 - Reframe libraries as third-party Elements by @samohovets in https://github.com/remotion-dev/remotion/pull/11342 - Add Lexington Themes library by @samohovets in https://github.com/remotion-dev/remotion/pull/11384 - Fix install dialog layout shifts by @samohovets in https://github.com/remotion-dev/remotion/pull/11346 ## Internal - Remove recurrently flaky tests by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11350 - remotion.dev/brand: Add React Scan capture by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11344 - remotion.dev/brand: Fix `<Studio>` timeline controls by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/11385 **Full Changelog**: https://github.com/remotion-dev/remotion/compare/v4.0.525...v4.0.526
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