v1.0.0

First stable release of Viser. Thanks to everyone who helped 🙂

We also have a white paper coming soon™, please stay tuned for this!

New Features

Batched Mesh Rendering

• High-performance batched rendering for meshes and GLB files (#391, #438, #439, #449, #466, #467, #503, #504) - by @chungmin99
• Per-instance transformations, colors, and scales
• Automatic LOD (Level of Detail) for improved performance

Shadow Rendering

• Added shadow rendering support, with cascaded shadow maps for directional lights (#375, #397, #411, #412, #417) - by @beckyfeng08

Fast 2D Plotting

• Integrated uPlot for fast, real-time data visualization (#486) - by @slecleach

Collision Meshes for URDFs

• Support both visual and collision meshes when loading URDF (#487) - by @sea-bass

Latency Compensation

• Framerate compensation for poor network connections (#495, #505)

API Changes

Breaking Changes

• add_box() and add_icosphere() now return BoxHandle and IcosphereHandle instead of MeshHandle (#475)
• Batched axes props now consistent with add_batched_axes() signature (#418)

Deprecations

• Most methods now require keyword arguments - positional arguments deprecated with warnings (#509)
  • Warnings will be printed if the old API is used.
• Renamed APIs:
  • positions → points for splines (#493)
  • point_ball_norm → point_shape for point clouds (#429)
  • set_environment_map() → configure_environment_map() (#428)
  • auto_close → auto_close_seconds for notifications timeout (#508)

Additions

• gui.add_html() - render custom HTML content (#387)
• gui.add_text() - now supports multiline text (#431) - by @zerolover
• add_point_cloud() - added precision="float16"/"float32" argument (#427) - by @ArthurAllshire
• Transform controls callbacks: on_drag_start and on_drag_end (#479)
• File downloads with save_immediately= flag (#386)
• Canvas size configuration support (#422) - by @zerolover
• Camera frustum variants option (#500)
• add_box and add_icosphere now have default arguments (#501)

Bug Fixes

This is a full list of merged PRs. Many of them address recent regressions, so it's not representative of bugs in prior releases.

Rendering & Display

• Fixed static analysis for button handles (#384)
• Fixed visibility toggle for directional lights and edge cases (#423, #434)
• Fixed uniform initialization in Gaussian splat shader (#447)
• Fixed point cloud shader compatibility for Firefox (#454)
• Fixed regression for broadcasted point cloud shape (#445)
• Fixed prop updates for batched meshes (#466)
• Fixed button rendering artifacts when varying control_width (#507)

Transform Controls & Scene Updates

• Fixed pose updates for re-added scene nodes (#490)
• Ensure transform control pose is updated after remounting (#492) - by @hongsukchoi
• Transform controls now flush update messages on drag end (#485)

Client/Server Communication

• Suppress key error when flushing disconnected clients (#440)
• Fixed slow image encoding in _encode_image_binary() (#494) - by @alberthli
• Position notifications correctly when dummyWindowDimensions is set (#442)
• Fixed gui.configure_theme(show_share_button=False) (#426)
• Improved file transfer robustness (#471)
• Client/server version consistency checking via WebSocket subprotocol (#441)

URDF & File Handling

• Fixed package name in error message (#410) - by @sea-bass
• Local import for pyliblzfse to avoid dependency issues (#498)

Performance Improvements

• Faster prop updates for meshes and point clouds (#388, #420)
• Faster GLB loading (#430)
• More efficient scene tree implementation (#478)
• Optimized control panel rendering (#484, #496, #497)

UI/UX Enhancements

• Redesigned control panel with improved organization (#484)
• Re-added visibility painting for scene tree table (#389)
• Minor GUI whitespace adjustments (#394)
• Support for non-literal colors in GUI components (#456)
• Added dummyWindowDimensions= and dummyWindowTitle= search parameters (#402)

Infrastructure & Dependencies

• Upgraded to React 19, r3f v9, three r174, Mantine 7.17.2 (#409)
• Updated @react-three/drei to ^10.0.5 (#419, #425)
• Converted documentation from Markdown to RST (#421)
• Removed Google Analytics tag for privacy (#407) - by @kikislater
• Fixed Python 3.8 compatibility (#395)
• Upper-bounded dependency versions for stability (#502)

Examples & Documentation

• Added vertex selector to SMPL example (#433)
• Improved URDF documentation (#472)
• Reorganized examples and documentation (#474, #499, #506)
• Updated example code to avoid breaking pip installations (#446)

New Contributors

• @sea-bass made their first contribution in #410
• @kikislater made their first contribution in #407
• @zerolover made their first contribution in #422
• @ArthurAllshire made their first contribution in #427
• @slecleach made their first contribution in #486
• @hongsukchoi made their first contribution in #492
• @alberthli made their first contribution in #494