Remotion Files

What's Changed

Many performance improvements in the Studio!

• @remotion/studio: Preserve pitch when changing playback speed by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12423
• Upgrade Mediabunny to 1.62.0 by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12450
• @remotion/media: Add preservePitch to change speed without changing pitch by @alec-watts in https://github.com/remotion-dev/remotion/pull/12350
• remotion: Show notice in <HtmlInCanvas> when not supported instead of crash by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12421
• remotion: Fix memory leak when replacing <Sequence> children by @alec-watts in https://github.com/remotion-dev/remotion/pull/12291
• remotion: Fix retention of replaced components and callbacks by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12462
• remotion: Fix Studio sequence prop resubscriptions when seeking by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12401
• remotion: Speed up sequential spring() calculations by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12516
• remotion: Speed up interpolateColors() by reusing color matchers by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12525
• remotion: Speed up Easing.ease() evaluations by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12527
• remotion: Skip unused premount frame subscriptions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12531
• remotion: Skip unchanged Sequence layout wrapper renders by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12533
• remotion: Avoid redundant Html5Audio volume evaluations by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12535
• @remotion/agent-plugin: Publish on every release by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12459
• @remotion/bundler: Avoid repeated sorting while scanning public assets by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12481
• @remotion/codemods: Speed up getNodes() for large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12486
• @remotion/codemods: Speed up updateMultipleNodeProps() for large selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12489
• @remotion/codemods: Skip unnecessary scope lookups for numeric props by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12492
• @remotion/codemods: Speed up bulk nonnumeric property edits by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12497
• @remotion/codemods: Speed up deleteNodes() and duplicateNodes() for large selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12502
• @remotion/codemods: Speed up updateMultipleNodeProps() and reorderNodes() for large selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12503
• @remotion/google-fonts: Add font faces to document.fonts in a deterministic order by @serdarucel in https://github.com/remotion-dev/remotion/pull/12443
• @remotion/google-fonts: Share the loader across ESM entry points by @alec-watts in https://github.com/remotion-dev/remotion/pull/12476
• @remotion/lambda: Remove @remotion/serverless and @remotion/serverless-client by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12426
• @remotion/lambda: Generate default output key when outName.key is omitted by @smartcalsystems-sketch in https://github.com/remotion-dev/remotion/pull/12399
• @remotion/lambda: Don't fail a render when a retried stream replays an artifact by @parbhatkapila4 in https://github.com/remotion-dev/remotion/pull/12452
• @remotion/lambda-client: Accept the raw request body in validateWebhookSignature() by @DeryFerd in https://github.com/remotion-dev/remotion/pull/12454
• @remotion/lambda-php: Add WebhookSignature::validate() by @DeryFerd in https://github.com/remotion-dev/remotion/pull/12415
• @remotion/lambda-ruby: Add validate_webhook_signature() by @DeryFerd in https://github.com/remotion-dev/remotion/pull/12396
• @remotion/media: Fix extra GOP decoded when seeking to fractional MP4 keyframes by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12348
• @remotion/media: Fix memory growth during audio playback by @alec-watts in https://github.com/remotion-dev/remotion/pull/12409
• @remotion/media: Fix automatic audio selection when the preferred track cannot decode by @alec-watts in https://github.com/remotion-dev/remotion/pull/12433
• @remotion/media: Fix audio decoding errors being replaced by timeouts in web renders by @alec-watts in https://github.com/remotion-dev/remotion/pull/12434
• @remotion/media: Close extracted video frames on parallel audio failures by @alec-watts in https://github.com/remotion-dev/remotion/pull/12435
• @remotion/media: Preserve audio and video decode failure details by @alec-watts in https://github.com/remotion-dev/remotion/pull/12437
• @remotion/media-utils: Fix audio data hooks timing out on errors in web renders by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12442
• @remotion/paths: Cut cubic curves at the requested arc length in cutPath() by @serdarucel in https://github.com/remotion-dev/remotion/pull/12410
• @remotion/player: Fix audio anchor shifts when durationInFrames changes by @Plastic-time in https://github.com/remotion-dev/remotion/pull/12395
• @remotion/renderer: Honor preservePitch={false} in server-side HTML5/Offthread rendering by @xsalaices in https://github.com/remotion-dev/remotion/pull/11777
• @remotion/renderer: Keep the decimal part of concurrency percentages by @serdarucel in https://github.com/remotion-dev/remotion/pull/12417
• @remotion/renderer: Reject two artifacts with the same filename on the same frame by @parbhatkapila4 in https://github.com/remotion-dev/remotion/pull/12446
• @remotion/studio: Stack timeline layer and asset names by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12520
• @remotion/studio: Persist timeline waveforms and thumbnails across reloads by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12413
• @remotion/studio: Show selected item type in inspector title by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12430
• @remotion/studio: Show the tab close button only on hover by @andriidrok1 in https://github.com/remotion-dev/remotion/pull/12398
• @remotion/studio: Restore the persisted playback rate after a reload by @signalzero-dev in https://github.com/remotion-dev/remotion/pull/12418
• @remotion/studio: Disable child canvas selection while rotating a parent by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12416
• @remotion/studio: Show error details with syntax colors ready by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12495
• @remotion/studio: Position context menus relative to the cursor by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/ec5b00614e
• @remotion/studio: Align UV coordinate values with numeric fields by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/f73de38e71
• @remotion/studio: Fix playback slowdown with many selected or expanded layers by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12456
• @remotion/studio: Reduce timeline zoom rendering work by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12407
• @remotion/studio: Reduce timeline work during playback and Series dragging by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12465
• @remotion/studio: Reduce selection outline work during playback by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12469
• @remotion/studio: Reduce inspector and timeline re-renders during playback by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12471
• @remotion/studio: Only rerender edited elements when saving prop changes by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12472
• @remotion/studio: Speed up canvas outlines and long transition timelines by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12474
• @remotion/studio: Speed up source remapping when editing large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12482
• @remotion/studio: Skip volume curve sampling for offscreen timeline clips by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12488
• @remotion/studio: Avoid repeated track scans when inspecting multiple sequences by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12490
• @remotion/studio: Avoid rerendering unchanged source subscribers by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12493
• @remotion/studio: Avoid repeated scans when selecting many timeline items by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12496
• @remotion/studio: Avoid repeated scans for timeline selection highlights by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12501
• @remotion/studio: Reduce memory used by large timeline selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12504
• @remotion/studio: Speed up multi-selection inspector previews by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12506
• @remotion/studio: Speed up timing edits across large selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12509
• @remotion/studio: Speed up selecting many timeline rows by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12510
• @remotion/studio: Speed up moving and trimming large clip selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12511
• @remotion/studio: Speed up source updates for compositions with many keyframes by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12512
• @remotion/studio: Speed up canvas controls for large selections by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12513
• @remotion/studio: Skip unchanged easing editor renders during playback by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12515
• @remotion/studio: Skip static effect value renders during playback by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12518
• @remotion/studio-server: Speed up source lookups for large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12475
• @remotion/studio-server: Read source files once per subscription batch by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12477
• @remotion/studio-server: Reduce stalls when importing many assets by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12478
• @remotion/studio-server: Avoid scanning JSX siblings during source-path lookups by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12479
• @remotion/studio-server: Skip file streaming for HEAD requests by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12480
• @remotion/studio-server: Avoid repeated parsing for multi-file Visual Mode subscriptions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12483
• @remotion/studio-server: Speed up bulk keyframe deletion by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12485
• @remotion/studio-server: Release media streams when requests are cancelled by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12487
• @remotion/studio-server: Speed up bulk effect edits in large source files by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12491
• @remotion/studio-server: Bound memory used by cached request URLs by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12494
• @remotion/studio-server: Skip redundant timing binding analysis by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12499
• @remotion/studio-server: Reduce time to save bulk effect edits by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12505
• @remotion/studio-server: Speed up adding keyframes in large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12507
• @remotion/studio-server: Release file watchers when undo history is discarded by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12508
• @remotion/studio-server: Speed up reading keyframed properties in large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12526
• @remotion/studio-server: Speed up effect keyframe updates in large compositions by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12532
• @remotion/timeline-utils: Speed up cached timeline filmstrip filling by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12484
• @remotion/transitions: Prevent TransitionSeries remounts at transition boundaries by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12397
• @remotion/web-renderer: Fix renderMediaOnWeb() rejecting before output stream closes by @alec-watts in https://github.com/remotion-dev/remotion/pull/12408
• @remotion/web-renderer: Cancel pending native paint waits by @alec-watts in https://github.com/remotion-dev/remotion/pull/12432
• @remotion/web-renderer: Allow muted video preview with unsupported audio by @alec-watts in https://github.com/remotion-dev/remotion/pull/12436
• @remotion/effects: Add longShadows() for directional shadows by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12458

Elements

• Redesign catalog layout by @samohovets in https://github.com/remotion-dev/remotion/pull/12455
• Simplify third-party library browsing by @samohovets in https://github.com/remotion-dev/remotion/pull/12422
• Link sidebar categories to catalog sections by @samohovets in https://github.com/remotion-dev/remotion/pull/12394
• Buffer spinning globe until loaded by @samohovets in https://github.com/remotion-dev/remotion/pull/12424
• Match globe preview background to other elements by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/ac4a127eaa
• Fix catalog spacing and redundant heading in iframe mode by @samohovets in https://github.com/remotion-dev/remotion/pull/12536

Templates

• Element Library: Add authoring lint rules by @samohovets in https://github.com/remotion-dev/remotion/pull/12428

Docs

• Move Element authoring guides into a dedicated section by @samohovets in https://github.com/remotion-dev/remotion/pull/12453
• Explain why there is no Remotion app by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/8115099fb9
• Link the SDK webhook helpers from the webhook pages by @DeryFerd in https://github.com/remotion-dev/remotion/pull/12420
• Link Element Library template from integration guide by @samohovets in https://github.com/remotion-dev/remotion/pull/12425
• Scope Element entrance and exit guidance to overlays by @samohovets in https://github.com/remotion-dev/remotion/pull/12429
• Terms: Merge client-side and server-side into just Renders by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12441
• Clarify free and company licensing above pricing by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/476e3bc99e
• Keep customer counts consistent across website pages by @samohovets in https://github.com/remotion-dev/remotion/pull/12534

Internal and Experimental

• @remotion/studio-protocol: Simplify protocol validation and parsing by @samohovets in https://github.com/remotion-dev/remotion/pull/12405
• @remotion/promo-pages: Fix license animation contrast in dark mode by @samohovets in https://github.com/remotion-dev/remotion/pull/12528
• @remotion/promo-pages: Change homepage customer count to 800 by @samohovets in https://github.com/remotion-dev/remotion/pull/12529
• Homepage: Add parameterization, AI, captions, Effects, Transitions and Color Correction videos by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/26dcaf372e
• Canvas Capture: Bound buffers to the selected area and hide clear selection button while recording by @JonnyBurger in https://github.com/remotion-dev/remotion/commit/de277907df
• Upgrade native compiler to TypeScript 7.1 beta by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12445
• Catch mixed render scopes with ESLint by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12444
• Reduce local docs build concurrency by @samohovets in https://github.com/remotion-dev/remotion/pull/12402
• CI: Pin the third-party actions by commit, scope the workflow tokens and drop persisted checkout credentials by @Totara-thib in https://github.com/remotion-dev/remotion/pull/12315
• Skills: Keep frame subscriptions local in Remotion markup by @JonnyBurger in https://github.com/remotion-dev/remotion/pull/12403
• Bump vite from 6.4.3 to 6.4.4 in /packages/webcodecs by @dependabot in https://github.com/remotion-dev/remotion/pull/12451
• Bump vite from 7.3.6 to 7.3.7 in /packages/canvas-capture-extension by @dependabot in https://github.com/remotion-dev/remotion/pull/12463
• Bump @modelcontextprotocol/sdk from 1.31.0 to 1.32.0 in /packages/mcp by @dependabot in https://github.com/remotion-dev/remotion/pull/12464

Full Changelog: https://github.com/remotion-dev/remotion/compare/v4.0.537...v4.0.538