v0.4.0

release.0.4.0.mp4

Overview & Highlights

• Add support for mesh vertex colors #1671
• Lower memory use #1535
• Improve garbage collection #1560
• Improve the web viewer #1596 #1594 #1682 #1716 …
• Nice outlines when hovering/selecting
• Add an example of forever-streaming a web-camera image to Rerun #1502
• Fix crash-on-save on some versions of Linux #1402
• And a lot of other bug fixes
• Many performance improvements

We now host an experimental and unpolished web-viewer at https://app.rerun.io/ for anyone to try out!

In Detail

🐍 Python SDK

• Expose all Rerun enums and types to main module scope #1598
• Make log_point more forgiving and update docstring #1663
• Add support for mesh vertex colors #1671

🦀 Rust SDK

• ⚠️ Session::new has been replaced with SessionBuilder #1528
• ⚠️ session.spawn(…) -> rerun::native_viewer::spawn(session, …) #1507
• ⚠️ session.show() -> rerun::native_viewer::show(session) #1507
• ⚠️ session.serve(…) -> rerun::serve_web_viewer(session, …); #1507
• ⚠️ rerun::global_session is now hidden behind the global_session feature flag #1507
• Add support for mesh vertex colors #1671

🪳 Bug Fixes

• datastore: disable compaction (fixes 2x memory issue) #1535
• Fix garbage collection #1560
• Avoid using undefined extern "C" on windows #1577
• Fix crash on decoding old .rrd files #1579
• datastore: stabilize dataframe sorts #1549
• Stop using infinities in wgsl shaders #1594
• Workaround for alpha to coverage state leaking on (Web)GL renderer #1596
• Use a patched wasm-bindgen-cli with fix for 2GiB bug #1605
• Misc: make example in log_pinhole runable #1609 (thanks @Sjouks!)
• Early-out on zero-sized space-views to prevent crashes #1623
• Print our own callstack on panics #1622
• Handle ctrl+c to gracefully shutdown the server(s) #1613
• Fix crash on serve exit, second attempt #1633
• Fix wrong remove-tooltip for entities and groups #1637
• Fix requiring requiring focus for shutdown via ctrl+c when starting viewer from command line #1646
• Fix eye spin after eye reset #1652
• Fix crash on negative radii by instead warning #1654
• Fix crash when trying to listen on a taken TCP port #1650
• Don't show 2D labels in 3D space views. #1641
• Fix Z fighting with improved depth offset math #1661
• Whether a spatial view is 2d or 3d is now reevaluated over time unless picked explicitly #1660
• Update wgpu to v0.15.3, fixing meshes on Windows Chrome #1682
• Fix a bug in the image hover code, causing the wrong RGBA values to be printed #1690
• Fix a bug that caused points to be render too large #1690
• Fix web crash on missing uniform buffer padding #1699
• Fix memory_usage example relying on implicit recursive features #1709
• Track changed state in nav mode combo box #1703
• Fix crash-on-save by switching file-picker dialog to xdg-portal #1402
• Change roll-shortcut from ALT to SHIFT #1715
• Fix CpuWriteGpuReadBelt producing unaligned gpu buffer offsets #1716
• Fix arrows requiring a radius to be visible #1720

🚀 Performance Improvements

• Add re_arrow_store profile scopes #1546
• datastore: early exit missing components at table level #1554
• datastore: track bucket count in store stats & mem panel #1555
• LogDb: dont split on index bucket size #1558
• Introduce a simpler cache dedicated to just decode JPEGs #1550
• Implement outlines for points 2d/3d/depth & use them for select & hover in Viewer #1568
• Simplify ImageCache #1551
• New time panel density graph #1557
• Refactor the Arrow Mesh3D type to use zero-copy Buffers #1691
• Remove the redundant costly transform check during categorization #1695
• batching 3: DataRow & DataTable + no bundles outside of transport #1673

🧑‍🏫 Examples

• Very simple example streaming from an opencv camera #1502
• Initial TurtleBot subscriber demo #1523

📚 Docs

• Link to the Python SDK build instructions in rerun_py/README.md #1565

🖼 UI Improvements

• Fix combining outline mask for selection & hover #1552
• Implement outlines for rectangles & use them for select & hover of image primitives in Viewer #1559
• Show log messages in egui toast notifications #1603
• Adapt UI for smaller screens #1608
• Nicer toast notifications #1621
• Don't hover things in 2D/3D views if we are dragging something #1643
• Allow rolling 3D camera with primary mouse button + alt modifier #1659
• Name space views after the space and indicate duplicate names #1653
• Add banner about mobile browsers being unsupported #1674
• Improve ui for tensors and color map selection #1683
• Only show the mobile OS warning banner on web #1685
• Improve the depth backprojection feature #1690
• Swap overlay order of selection & hover outlines #1705
• Turn on depth cloud backprojection by default #1710
• Add radius boost for depth clouds on outline #1713

🤷‍♂️ Other Viewer Improvements

• Fix web feature name in error messages #1521
• Use outlines for mesh selections instead of highlight colors #1540
• Implement outlines for line renderer & use them for select & hover of "line-like" primitives in Viewer #1553
• Load .rrd file over HTTP #1600
• Revert "Handle ctrl+c to gracefully shutdown the server(s)" #1632
• More eager GC, and remove --fast-math optimization for wasm #1656
• Detect failure to install GUI log callback #1655
• Warn when most of the RAM has been used up by Rerun #1651
• Apply color maps to all types of depth tensors #1686
• Size boosted outlines for points & lines, color & size tweaking #1667
• Default point radius to 1.5 ui points #1706
• When streaming an rrd from http: play it, don't follow it #1707

🕸️ Web

• Use log as our log backend instead of tracing #1590
• Turn on allocation tracker at run-time and for web #1591
• Set correct MIME types in re_web_viewer_server #1602
• Upload web viewer to a bucket #1606
• Use hostname for default websocket address #1664
• Upload the colmap rrd file to gcloud #1666
• Show a warning by default on mobile browsers #1670
• Add analytics to the hosted index.html #1675
• Always upload latest prerelease to a dedicated prefix #1676
• Allow url param override on app.rerun.io #1678
• Show the git commit in the about section in pre-release builds #1677
• Update the web icon #1688

🎨 Renderer Improvements

• Outlines via masking & postprocessing in re_renderer #1532
• Add missing profiling scopes in re_renderer #1567
• Don't call wgpu::Device::poll on the web #1626
• Merge final outline render into composite step in order to fix blending #1629
• renderer: fix the groupby logic in mesh instancing #1657
• Fix outlines being offset diagonally by about half a pixel #1668
• Gpu readback belt for fast & easy data readback from gpu #1687
• Make CpuWriteGpuReadBelt texture copies easier/less error prone #1689

✨ Other Enhancement

• datastore: split out formatting & sanity checks in their own modules #1625
• Add rerun --save: stream incoming log stream to an rrd file #1662
• batching 1: introduce DataCell & retire ComponentBundle #1634
• Data store batching 2: split out component traits #1636

📈 Analytics

• Analytics: don't spam warning when there is an HTTP connection problem #1564
• Analytics: Rename "location" to "file_line" in the "crash-panic" event #1575

🗣 Merged RFCs

• RFC: component-datatype conversions #1595
• RFC: pre-proposal for blueprint store #1582

🧑‍💻 Dev-experience

• Update rayon #1541
• Fix some 1.68 clippy lints #1569
• Remove duplicated 'nix' crate #1479
• Better MsgId format #1566
• Lint vertical spacing in Rust code #1572
• CI: Replace wasm_bindgen_check.sh with actually building the web-viewer #1604
• Add --all-features to Rust Analyzer flags #1624
• Run clippy for wasm, with own clippy.toml config file #1628
• Update tokio v1.24.1 -> v1.26.0 #1635
• Add a workflow input for running benchmarks manually #1698
• Add missing } to fix rust workflow #1700
• Fix lint.py #1719
• Add a script that generates a changelog from recent PRs and their labels #1718

🤷‍♂️ Other

• Clean up opencv_canny example slightly b487e550dcb87225858dc6f76b791a25e938e75e
• Lint fixes 9901e7c6735356b1970ddabc926bc5378d82e057

New Contributors

• @Sjouks made their first contribution in #1609

Full Changelog: v0.2.0...v0.4.0