0.39.0

Rerun is an easy-to-use database and visualization toolbox for multimodal and temporal data.

• Python: pip install -U rerun-sdk
• Rust: 0.39.0 is not published on crates.io, since it depends on an unreleased version of egui. The rerun CLI is available via pip install rerun-sdk or the binaries attached to this release.
• C++ FetchContent: https://github.com/rerun-io/rerun/releases/download/0.39.0/rerun_cpp_sdk.zip
• Online demo: https://rerun.io/viewer

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✨ Overview & highlights

• Text in any language, and color emoji 🚀 希望你喜欢这个

• Rerun Viewer in marimo notebooks

• Raw Bayer images

• PLY mesh and 2D point support

• Playback controls for segment previews

• Configure the state timeline time axis

• State timeline hover duration

• String literals in lens selectors

• Improved table column settings, with search, display mode and bulk hide/show

  

  Video

🧪 Experimental and unstable

These may change in future releases, and unstable types may not stay backwards compatible.

• Raymarched 3D volumes

  

  Video

• Audio: AssetAudio archetype and AudioView

  

• New table blueprints with Python table API

📖 Release notes: https://rerun.io/docs/changelog/changeset-0-39#highlights

⚠️ Breaking changes

• rerun-sdk installs rerun as a top-level package
• WriteChunks removed
• Breaking changes to custom Rust views

🧳 Migration guide: https://rerun.io/docs/changelog/changeset-0-39#breaking-changes

🔎 Details

🐍 Python API

• Python API for table blueprint dcd809d
• Support Marimo Notebooks 4b82c86
• Add CatalogClient.stage() for writing files to server 5fbbd3b
• Simplify rerun_sdk python packaging 9e6a5a7
• Support string literals in lens selectors 7132583
• Shutting down viewer via ViewerClient now waits for process exit 3c73bca
• Implement additional hdf5 attributes f7ee611
• Tag analytics events with the Rerun client type (SDK, viewer, web, dataloader) 600cf81

🦀 Rust API

• Complete support for PLY format (add mesh and 2D) also using more performant API of ply-rs-bw 4.0.0 #12730 (thanks @bourumir-wyngs!)
• Support arbitrary std::io::Write streams in FileSink #12940 (thanks @de-vri-es!)

🪳 Bug fixes

• Fix anamorphic pinhole projection for 3D in 2D projections d3aae7c
• Fix startup deadlock in serve_grpc and serve_web 176fd87
• Fix MCAP import hanging when the rayon pool is busy 411981a
• Fix H.264 views stuck on a loading spinner on machines with many cores c004401
• fix static last-write-wins for chunks with interleaved RowIds #12957 (thanks @mightsleep!)
• Fix time series plots of Float32 scalars logged under the native Scalars descriptor a36c2d3
• Fix sampling inaccuracies on segmentation images 62c7283
• Fix fetching of instance poses ecf8711
• Add Capsules3D and Cylinders3D projection for Spatial2DView #12949 (thanks @klausondrag!)
• Let viewer static blueprint writes supersede SDK-written values 497b398
• Make 'reset to default blueprint' show up for datasets feb7d7d
• Create Viewer catalog layers for recordings with same StoreId 2309184
• Recalculate schema on unregister 1cefee9
• Retry transient failures of GetDatasetSchema 3eb37e4
• Fix DDP rank sharding in spawned DataLoader workers 16c5281
• Fix side panel state being overridden if you had saved servers cb7f8b4
• Fix hiding top panel in browser on mac 4b0a3bc
• Don't default to visible for new card fields in some cases 7918ed3
• Fix missing component warnings on state view c7e9023
• Print full anyhow context in re_mcap and re_ros_msg errors #12942 (thanks @DrMkdaddy!)
• Fix URL in rerun analytics details 534e618
• Fix: new default table blueprints are loaded by viewer 8073939
• docs: clarify GeoLineStrings per-line styling #12958 (thanks @mikamikasuki!)

🌁 Viewer improvements

• Volume raymarcher 94372cf (thanks @aedm!)
• Add the audio view: waveform display and playback 9b14a2e
• Bayer image visualization support 1a00b58
• Support URDF 1.1 robot models with quaternions e5ecaa0
• Configure state timeline view through blueprint 695b020
• Show length when hovering a state in the state timeline 735e681
• Read the active blueprint as JSON over ViewerControl / MCP 065faa7
• Write the active blueprint from JSON over ViewerControl / MCP e7eda6c
• Let agents read a recording's schema, and other viewer-control additions 8d3de3c
• Expose command palette commands over ViewerControl and MCP 07701de
• Viewer MCP: list Redap servers in viewer state 02df63c
• Better view customizable selection panel 3418fa7
• Puffin file importer 8805757
• re_agent: Add model selection UI 845a6ef

🗄️ OSS server

• Asset dataset properties to filter what segments an asset should apply to 7d79e5b
• Remove legacy WriteChunks from Catalog APIs (migration guide) a305975

🚀 Performance improvements

• Don't decode video for pinholes that aren't in frustum ea44c8f
• Retry dataset reads until the requested revision is promoted 3f1659b
• Use egui_table for TextLog visualizer 98f0297
• Remove the phase-1 synchronous dataset-manifest writes from registration d949cde
• Cache DataQueryResult for much faster handling of many views & entities 507e5c4

🧑‍🏫 Examples

• Make arrows3d_simple snippet consistent across languages #12947 (thanks @klausondrag!)

🖼 UI improvements

• Name every panel and icon button in the accessibility tree 84bae5c
• Improve preview UI 9723aa5
• Add column display mode setting c6735bb
• Paste images into the agent panel 51a0aaa

🕸️ Web

• Allow opting out of startup update checks from JS API 64df84f
• Add memory limit parameter to JS API 92cb67d

🎨 Renderer improvements

• Smoother plot lines 12aad1b

📈 Analytics

• Tag analytics events with the Rerun client type (SDK, viewer, web, dataloader) 600cf81
• Fix duplicated analytics events when several viewers share a data directory 255280a

🤷‍ Other

• Add AssetAudio archetype for storing audio files 72d02d1
• Add the AudioView blueprint view and AudioPlayback properties d79e8c1
• Hiding view titles with blueprint, to enable more minimal UIs 7cf863d
• Move dump-puffin into the workspace and expose it as rerun dump-puffin a134e27