PyPI · #4348 most downloaded on PyPI

viser

1.1.1856K downloads/moviser-project/viser ↗New releases in your daily digest, changelog included.

3D visualization + Python

Last release 19 days ago
15 Sep 2026
Ships fairly regularly
a new release about every 5 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
3 versions withdrawn
withdrawn after publishing
3 years old
110 releases · first in 2023

Release timeline

110 releases since 2023

2023202420252026

20232026

One column per quarter.

Releases

1.1.115 Sept 2026
docs: fix two references left behind by refactors by @rakhimovv in #764
What's Changed

docs: fix two references left behind by refactors by @rakhimovv in #764

Support Trimesh 5 by @cdeil in #769

Use inspect.iscoroutinefunction on Python 3.14 by @cdeil in #770

Fix washed-out scene labels w/ workaround for threejs r185 render order regression by @brentyi in #768

Smaller client build: 2.8M => 814K by @brentyi in #771

Harden release builds: asset-aware cache key, wheel contents check by @brentyi in #773

Render 3D label glyphs as supersampled signed distance fields by @brentyi in #772

Fix markdown data: images, avoid redundant environment-map decodes by @brentyi in #774

Exclude hidden directories from pyright, so a repo-root run skips .venv by @rakhimovv in #765

Upgrade three.js to r186, draw label backgrounds above splats by @brentyi in #777

Client: render on demand, cheaper coordinate frames, O(N) scene construction by @brentyi in #776

Request frames for imperative scene changes missed by on-demand rendering by @brentyi in #778

New Contributors

@rakhimovv made their first contribution in #764

@cdeil made their first contribution in #769

Full Changelog: v1.1.0...v1.1.1

1.1.016 Aug 2026

Panel rewrite for improved resizing and docking.

Main changes

Panel rewrite for improved resizing and docking.
gui.add_panel() for creating new float panels.
gui.main_panel for placement on the default panel.
client.local_storage for reading/writing to browser storage.
GaussianSplatHandle.set_gaussians() for replacing all splat attributes.
line_width has been renamed to thickness for line and spline objects, now defined in world-space units by default.
Many performance improvements and bug fixes!

What's Changed

Fix various lifecycle, wire safety, input handling bugs by @brentyi in #723
Optimize end-to-end tests, actions by @brentyi in #724
Cleanup, fix correctness bugs, add client unit tests by @brentyi in #725
Set followCamera for infinite grids by @brentyi in #726
More flexible core panel implementation, tests by @brentyi in #727
Fix subtle dock geometry bugs, tests by @brentyi in #730
Fix GPU buffer leaks, add resize-safe geometry sync by @brentyi in #731
Fix skinned mesh playback loop refs by @abcamiletto in #729
Fix type error from stub change to np.cross() by @brentyi in #732
Support mid-drag modifier changes by @brentyi in #733
Performance improvements by @brentyi in #740
Add min/max distance for camera orbit control by @xdaNvidia in #738
Harden dock playground page-open against CI worker stalls by @brentyi in #741
Pre-1.1.0 audit: fix 14 review findings, regenerate example docs by @brentyi in #742
Release prep: dock UX, server lifecycle/concurrency, and playback fixes by @brentyi in #743
Ignore PLR0917: ruff 0.16 stabilized it, breaking the unpinned CI formatting job by @brentyi in #746
Wait longer for the server thread on shutdown to avoid nanobind leak warnings by @brentyi in #745
Speed up get_render() by @brentyi in #751
Fix close-camera line rendering for drei-based lines under reversed depth by @brentyi in #750
Cascaded shadow map cleanup and fixes by @brentyi in #749
Depth-sort transparent batched mesh instances by @brentyi in #753
Scene tree access during offline playback + docked playback bar by @brentyi in #755
Rename line widths to thickness, default to world-space units by @brentyi in #754
Regression audit + fixes by @brentyi in #747
Per-client scene/GUI scopes: variant shadowing and scope-local removal by @brentyi in #758
Improve scene serialization efficiency by @brentyi in #759
Support dynamic Gaussian updates by @maxwildersmith in #757
Add per-client localStorage API by @Evanston09 in #756
Pre-release fixes: playback version warning, O(1) same-name re-add, line_width compat by @brentyi in #760
Upgrade client dependencies by @brentyi in #761

New Contributors

@abcamiletto made their first contribution in #729
@xdaNvidia made their first contribution in #738
@maxwildersmith made their first contribution in #757
@Evanston09 made their first contribution in #756

Full Changelog: v1.0.30...v1.1.0

Open source →

1.0.303 Jun 2026

Fix minor edge cases: orbit/transform gizmo, connect/disconnect, resource leaks, ... by @brentyi in #721

What's Changed

Fix minor edge cases: orbit/transform gizmo, connect/disconnect, resource leaks, ... by @brentyi in #721
Support resizing + docking floating panel by @brentyi in #722

Full Changelog: v1.0.29...v1.0.30

Open source →

1.0.2920 May 2026

Fix prop update regression for line segments by @brentyi in #720

What's Changed

Fix prop update regression for line segments by @brentyi in #720

Full Changelog: v1.0.28...v1.0.29

Open source →

1.0.2818 May 2026

Refine scene node drag API by @brentyi in #715

What's Changed

Refine scene node drag API by @brentyi in #715
Fix point cloud shader for Firefox by @brentyi in #716
Make yourdfpy dependency optional by @brentyi in #718

Full Changelog: v1.0.27...v1.0.28

Open source →

1.0.276 May 2026Deprecated

Legacy on_pointer_event() , remove_pointer_callback() , and on_pointer_callback_removed() are deprecated.

New features:

Added SceneApi.add_arrows()
Added experimental scene-node drag callbacks on raycastable scene handles: on_drag_start(), on_drag_update(), on_drag_end(), and matching remove methods.
Added modifier filtering to scene-node on_click() callbacks; SceneNodePointerEvent now includes modifier.
Added SceneApi.on_click() and SceneApi.on_rect_select() with typed SceneClickEvent and SceneRectSelectEvent. Legacy on_pointer_event(), remove_pointer_callback(), and on_pointer_callback_removed() are deprecated.
Added experimental command palette API via GuiApi.add_command().
Added GuiApi.add_form() and GuiFormHandle for grouped GUI submit semantics via on_submit().
Added GuiApi.add_divider() and GuiDividerHandle for horizontal GUI dividers.

Updates:

Changed GuiApi.add_folder() to accept label=None for borderless/headerless layout groups.
Changed GuiTabGroupHandle.add_tab() to accept an optional icon=.
Changed GuiApi.add_plotly() to accept a Plotly config dict.
Changed GuiApi.add_uplot() to accept fixed height and padding.
Changed SceneApi.add_point_cloud() to accept point_shading="flat" | "gradient"; default is "gradient".

What's Changed

Fix label visibility toggle artifacts by @brentyi in #685
Performance and visibility fixes for batched meshes, Gaussian splats by @brentyi in #686
Resolve symlinks when setting http server root by @pgesel-rai in #687
add_uplot: expose padding and fixed height options by @siddhss5 in #688
add_plotly: expose config dict parameter by @siddhss5 in #690
Add shading to point clouds, faster Record3D example by @brentyi in #693
Introduce gui.add_form() for events on Enter/submit by @siddhss5 in #689
Implement gui.add_divider() for horizontal rules by @brentyi in #694
feat: add add_arrows() for visualizing vectors in 3D scenes (#514) by @zoechann in #692
Fix WebSocket connection error in Python 3.8 by @brentyi in #698
Implement gui.add_command() for command palette, hotkeys by @brentyi in #696
More robust path-traversal check for symlinked installs, Bazel, etc by @brentyi in #700
Mark command and drag features as experimental; fix edge cases by @brentyi in #701
Fix stale closure bugs, BVH for drag-bound meshes by @brentyi in #702
Hide tooltip when dragging sliders by @brentyi in #703
Add WebGL detection with user-friendly notifications by @zoechann in #695
Add missing names to docs, test by @brentyi in #705
Fix hover outline transform for GLB geometries by @brentyi in #706
Visual adjustments for tab handles by @brentyi in #707
More consistent API for hotkey and drag modifiers by @brentyi in #708
Consistent modifier support for clicks and pointer events, break on_pointer_event into on_rect_select() and on_click() by @brentyi in #709
Type-aware prop editor for scene tree by @brentyi in #710
Fix uPlot scaling when range tuple is specified by @brentyi in #712

New Contributors

@pgesel-rai made their first contribution in #687
@siddhss5 made their first contribution in #688
@zoechann made their first contribution in #692

Full Changelog: v1.0.26...v1.0.27

What's Changed

Fix label visibility toggle artifacts by @brentyi in #685
Performance and visibility fixes for batched meshes, Gaussian splats by @brentyi in #686
Resolve symlinks when setting http server root by @pgesel-rai in #687
add_uplot: expose padding and fixed height options by @siddhss5 in #688
add_plotly: expose config dict parameter by @siddhss5 in #690
Add shading to point clouds, faster Record3D example by @brentyi in #693
Introduce gui.add_form() for events on Enter/submit by @siddhss5 in #689
Implement gui.add_divider() for horizontal rules by @brentyi in #694
feat: add add_arrows() for visualizing vectors in 3D scenes (#514) by @zoechann in #692
Fix WebSocket connection error in Python 3.8 by @brentyi in #698
Implement gui.add_command() for command palette, hotkeys by @brentyi in #696
More robust path-traversal check for symlinked installs, Bazel, etc by @brentyi in #700
Mark command and drag features as experimental; fix edge cases by @brentyi in #701
Fix stale closure bugs, BVH for drag-bound meshes by @brentyi in #702
Hide tooltip when dragging sliders by @brentyi in #703
Add WebGL detection with user-friendly notifications by @zoechann in #695
Add missing names to docs, test by @brentyi in #705
Fix hover outline transform for GLB geometries by @brentyi in #706
Visual adjustments for tab handles by @brentyi in #707
More consistent API for hotkey and drag modifiers by @brentyi in #708
Consistent modifier support for clicks and pointer events, break on_pointer_event into on_rect_select() and on_click() by @brentyi in #709
Type-aware prop editor for scene tree by @brentyi in #710
Fix uPlot scaling when range tuple is specified by @brentyi in #712

New Contributors

@pgesel-rai made their first contribution in #687
@siddhss5 made their first contribution in #688
@zoechann made their first contribution in #692

Full Changelog: v1.0.26...v1.0.27

Open source →

1.0.2630 Mar 2026

Fix regression in scene node removal, e2e test by @brentyi in #680

What's Changed

Fix regression in scene node removal, e2e test by @brentyi in #680

Full Changelog: v1.0.25...v1.0.26

Open source →

1.0.2530 Mar 2026

Multiple significant performance optimizations; convert scenes to standalone HTML with .as_html() .

Multiple significant performance optimizations; convert scenes to standalone HTML with .as_html().

What's Changed

End-to-end tests with playwright, minor bug fixes by @brentyi in #664
Improve wrapping for GUI labels without spaces by @brentyi in #666
fix(client): enable fog support for LineMaterial by @Mitia-RH in #663
Add direction prop to add_light_spot() by @brentyi in #665
Declarative materials, resource disposal fixes, and E2E test improvements by @brentyi in #668
Offset notifications when titlebar is enabled by @brentyi in #669
Zero-copy typed arrays by @brentyi in #670
Fix texture lifecycle edge cases by @brentyi in #671
Performance optimization by @brentyi in #672
Add SceneApi.as_html(), StateSerializer.as_html() by @brentyi in #673
Reversed depth buffer, material update fixes by @brentyi in #674
Fix set_background_image() for reversed depth buffer by @brentyi in #677
Client-side batching for scene and GUI attribute updates by @brentyi in #676
Initial camera cleanup, docs generation by @brentyi in #678
Optimize client-side state management by @brentyi in #679

Full Changelog: v1.0.24...v1.0.25

Open source →

1.0.2426 Feb 2026

Fix Gaussian splat shader for logarithmic depth buffer by @brentyi in #661

What's Changed

Fix Gaussian splat shader for logarithmic depth buffer by @brentyi in #661

Full Changelog: v1.0.23...v1.0.24

Open source →

1.0.2326 Feb 2026

feat: add configurable scene fog with custom shader support by @Mitia-RH in #656

What's Changed

feat: add configurable scene fog with custom shader support by @Mitia-RH in #656
Less aggressive adaptive DPR by @brentyi in #660
Grid rendering fixes: logarithmic depth buffer, consolidate shadow/color rendering into grid shader by @brentyi in #659
Add scene.get_handle_by_name() by @lstoex in #644

New Contributors

@Mitia-RH made their first contribution in #656
@lstoex made their first contribution in #644

Full Changelog: v1.0.22...v1.0.23

Open source →

1.0.2225 Feb 2026

Update URLs by @brentyi in https://github.com/viser-project/viser/pull/653

What's Changed

Update URLs by @brentyi in https://github.com/viser-project/viser/pull/653
Avoid client builds for PyPI installs by @brentyi in https://github.com/viser-project/viser/pull/651
Add plane_color and plane_opacity fields to add_grid() by @brentyi in https://github.com/viser-project/viser/pull/652
Python 3.14 by @brentyi in https://github.com/viser-project/viser/pull/654
Add scale property to scene objects by @henrynoyes in https://github.com/viser-project/viser/pull/649

Full Changelog: https://github.com/viser-project/viser/compare/v1.0.21...v1.0.22

Open source →

1.0.2121 Jan 2026

Fix immediate websocket disconnect for large scenes by @brentyi in https://github.com/nerfstudio-project/viser/pull/643

What's Changed

Fix immediate websocket disconnect for large scenes by @brentyi in https://github.com/nerfstudio-project/viser/pull/643

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.20...v1.0.21

Open source →

1.0.2020 Jan 2026

Restore initial camera FOV, disable unintended animation by @brentyi in https://github.com/nerfstudio-project/viser/pull/642

What's Changed

Restore initial camera FOV, disable unintended animation by @brentyi in https://github.com/nerfstudio-project/viser/pull/642

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.19...v1.0.20

Open source →

1.0.1917 Jan 2026

Fix minor notification example + camera init behavior bugs by @brentyi in https://github.com/nerfstudio-project/viser/pull/641

What's Changed

Fix minor notification example + camera init behavior bugs by @brentyi in https://github.com/nerfstudio-project/viser/pull/641

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.18...v1.0.19

Open source →

1.0.1816 Jan 2026

Initial camera API, improve orbit crosshair sizing by @brentyi in https://github.com/nerfstudio-project/viser/pull/636

What's Changed

Initial camera API, improve orbit crosshair sizing by @brentyi in https://github.com/nerfstudio-project/viser/pull/636
Fixed autobuild failure on Windows. by @lukehugh in https://github.com/nerfstudio-project/viser/pull/637
Fix array prop update edge cases by @brentyi in https://github.com/nerfstudio-project/viser/pull/638
More polished initial camera API + improve type consistency by @brentyi in https://github.com/nerfstudio-project/viser/pull/639
Make label height consistent across screen sizes by @brentyi in https://github.com/nerfstudio-project/viser/pull/640

New Contributors

@lukehugh made their first contribution in https://github.com/nerfstudio-project/viser/pull/637

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.17...v1.0.18

Open source →

1.0.1712 Jan 2026

scene.show() in Jupyter notebooks (docs)

Notable new features:

on_hold() for buttons
add_cylinder()
scene.show() in Jupyter notebooks (docs)

We've also made some build improvements:

The Viser client is now a single self-contained HTML file.
Both the client build and the wheels are much smaller.
- Client: 19MB → 2.7MB.
- Wheel: 29.1MB → 4.9MB.

What's Changed

Fix uPlot autoscale when xMin == xMax by @brentyi in https://github.com/nerfstudio-project/viser/pull/614
Add props to GaussianSplatsHandle, fix flicker when buffer is updated by @brentyi in https://github.com/nerfstudio-project/viser/pull/616
Make scale API consistent across mesh objects by @brentyi in https://github.com/nerfstudio-project/viser/pull/619
Use uv for workflows by @brentyi in https://github.com/nerfstudio-project/viser/pull/624
Only make reconnection attempts when client has focus by @brentyi in https://github.com/nerfstudio-project/viser/pull/623
Increase websocket message size limit to 50MB by @heiwang1997 in https://github.com/nerfstudio-project/viser/pull/625
Add on_hold() for buttons by @david-dorf in https://github.com/nerfstudio-project/viser/pull/613
Single-file client, improved notebook support by @brentyi in https://github.com/nerfstudio-project/viser/pull/630
Fix button hold edge cases by @brentyi in https://github.com/nerfstudio-project/viser/pull/631
Add native creation of cylinders by @henrynoyes in https://github.com/nerfstudio-project/viser/pull/629
Add per-instance opacity support for batched meshes. by @kevinzakka in https://github.com/nerfstudio-project/viser/pull/601
Support multiple simultaneous serializers, docs adjustments by @brentyi in https://github.com/nerfstudio-project/viser/pull/632
Add expand button to GUI images by @brentyi in https://github.com/nerfstudio-project/viser/pull/633
Display and tunneling refinements by @brentyi in https://github.com/nerfstudio-project/viser/pull/634
Use zstd for build + message compression by @brentyi in https://github.com/nerfstudio-project/viser/pull/635

New Contributors

@heiwang1997 made their first contribution in https://github.com/nerfstudio-project/viser/pull/625
@henrynoyes made their first contribution in https://github.com/nerfstudio-project/viser/pull/629
@kevinzakka made their first contribution in https://github.com/nerfstudio-project/viser/pull/601

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.16...v1.0.17

Open source →

1.0.1617 Nov 2025

Performance improvements for batched meshes, line segments, and text labels.

What's Changed

fix up direction calculation in 01_colmap_visualizer.py by @swnakamura in https://github.com/nerfstudio-project/viser/pull/602
Faster, WebGL-based rendering for SceneApi.add_label() by @brentyi in https://github.com/nerfstudio-project/viser/pull/603
Optimize large scenes, batched label rendering by @brentyi in https://github.com/nerfstudio-project/viser/pull/604
Improve add_line_segments() transport + update efficiency by @brentyi in https://github.com/nerfstudio-project/viser/pull/605
Bump @three.ez/instanced-mesh, tweak auto LOD by @brentyi in https://github.com/nerfstudio-project/viser/pull/607
Increase shadow plane dimensions when infinite_grid=True by @brentyi in https://github.com/nerfstudio-project/viser/pull/606
Revert add_batched_labels() addition, fix local position bug in improve add_label() by @brentyi in https://github.com/nerfstudio-project/viser/pull/608

New Contributors

@swnakamura made their first contribution in https://github.com/nerfstudio-project/viser/pull/602

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.15...v1.0.16

Open source →

1.0.1513 Oct 2025

Defensive array reads; prevents crashes from invalid prop updates

What's Changed

Defensive array reads; prevents crashes from invalid prop updates (#597)

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.14...v1.0.15

Open source →

1.0.1413 Oct 2025

Python 3.14, dependency cleanup by @brentyi in https://github.com/nerfstudio-project/viser/pull/592

What's Changed

Python 3.14, dependency cleanup by @brentyi in https://github.com/nerfstudio-project/viser/pull/592
Fix orbit crosshair persistence on touchscreens by @brentyi in https://github.com/nerfstudio-project/viser/pull/594
Fix frustum culling artifacts in instanced meshes by @brentyi in https://github.com/nerfstudio-project/viser/pull/595
Fix color broadcasting when increasing instance count in batched meshes by @brentyi in https://github.com/nerfstudio-project/viser/pull/596

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.13...v1.0.14

Open source →

1.0.138 Oct 2025

Bump Mantine to ^8.3.0 by @brentyi in https://github.com/nerfstudio-project/viser/pull/589

What's Changed

Bump Mantine to ^8.3.0 by @brentyi in https://github.com/nerfstudio-project/viser/pull/589

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.12...v1.0.13

Open source →

1.0.127 Oct 2025

Minor GUI panel bug fix for unconnected clients

What's Changed

Minor GUI panel bug fix for unconnected clients
Add Discord link to README by @david-dorf in https://github.com/nerfstudio-project/viser/pull/588

New Contributors

@david-dorf made their first contribution in https://github.com/nerfstudio-project/viser/pull/588

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.11...v1.0.12

Open source →

1.0.1129 Sept 2025

Add http://0.0.0.0:{port} to viser table printout when host is 0.0.0.0 by @rowoflo in https://github.com/nerfstudio-project/viser/pull/577

What's Changed

Add http://0.0.0.0:{port} to viser table printout when host is 0.0.0.0 by @rowoflo in https://github.com/nerfstudio-project/viser/pull/577
Improve startup overhead by bumping InstancedMesh2 by @brentyi in https://github.com/nerfstudio-project/viser/pull/586
Unregister atexit callback after .stop() by @brentyi in https://github.com/nerfstudio-project/viser/pull/583
Fix race condition that causes initially empty GUI containers by @brentyi in https://github.com/nerfstudio-project/viser/pull/585

New Contributors

@rowoflo made their first contribution in https://github.com/nerfstudio-project/viser/pull/577

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.10...v1.0.11

Open source →

1.0.1014 Sept 2025Deprecated

Support infinite grids, deprecate width_segments and height_segments by @brentyi in https://github.com/nerfstudio-project/viser/pull/579

What's Changed

Support infinite grids, deprecate width_segments and height_segments by @brentyi in https://github.com/nerfstudio-project/viser/pull/579

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.9...v1.0.10

Open source →

1.0.914 Sept 2025

Focal length improvements: Gaussian update synchronization, fix orbit crosshair scale by @brentyi in https://github.com/nerfstudio-project/viser/pull/

What's Changed

Focal length improvements: Gaussian update synchronization, fix orbit crosshair scale by @brentyi in https://github.com/nerfstudio-project/viser/pull/573
Fix docstring on camera position update behavior by @brentyi in https://github.com/nerfstudio-project/viser/pull/576
Consistent shadow API for add_mesh_trimesh(), allow float input for receive_shadow by @brentyi in https://github.com/nerfstudio-project/viser/pull/578

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.8...v1.0.9

Open source →

1.0.86 Sept 2025

Improve uPlot styling by @brentyi in https://github.com/nerfstudio-project/viser/pull/567

What's Changed

Improve uPlot styling by @brentyi in https://github.com/nerfstudio-project/viser/pull/567
Fix plot width artifacts in mobile view by @brentyi in https://github.com/nerfstudio-project/viser/pull/569
Icon setters/getters for GUI handles by @brentyi in https://github.com/nerfstudio-project/viser/pull/568

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.7...v1.0.8

Open source →

1.0.75 Sept 2025

BVH optimizations for instanced/batched meshes, fix rendering and display bugs by @brentyi in https://github.com/nerfstudio-project/viser/pull/558

What's Changed

BVH optimizations for instanced/batched meshes, fix rendering and display bugs by @brentyi in https://github.com/nerfstudio-project/viser/pull/558
Fix [0, 1] <=> [0, 255] conversion bug in RGBA picker component by @brentyi in https://github.com/nerfstudio-project/viser/pull/564
Fix mesh mounting bottlenecks caused by hover outlines by @brentyi in https://github.com/nerfstudio-project/viser/pull/565
Dirty flag for skinned meshes by @brentyi in https://github.com/nerfstudio-project/viser/pull/566

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.6...v1.0.7

Open source →

1.0.621 Aug 2025

Fixes edge case when removing and re-adding clickable scene nodes.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.5...v1.0.6

Open source →

1.0.521 Aug 2025

Performance, dependency, and UI improvements.

What's Changed

Remove opencv-python from strict dependencies, add imageio fallback by @brentyi in https://github.com/nerfstudio-project/viser/pull/537
Fix batched mesh edge cases: off-by-one-frame, client.get_render() by @brentyi in https://github.com/nerfstudio-project/viser/pull/538
Performance: optimize add_box() and add_icosphere(), docs on performance tips, refactor state management by @brentyi in https://github.com/nerfstudio-project/viser/pull/540
Switch away from yarn, bump client dependency versions by @brentyi in https://github.com/nerfstudio-project/viser/pull/545
Orbit crosshair, development flags UI, fix Javascript minification by @brentyi in https://github.com/nerfstudio-project/viser/pull/546
Fix developer setting performance issues, RGBA encoding by @brentyi in https://github.com/nerfstudio-project/viser/pull/547

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.4...v1.0.5

Open source →

1.0.47 Aug 2025

Fix incorrect argument reference in build_client_entrypoint by @MosesEbere in https://github.com/nerfstudio-project/viser/pull/530

What's Changed

Fix incorrect argument reference in build_client_entrypoint by @MosesEbere in https://github.com/nerfstudio-project/viser/pull/530

New Contributors

@MosesEbere made their first contribution in https://github.com/nerfstudio-project/viser/pull/530

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.3...v1.0.4

Open source →

1.0.34 Aug 2025

Same as 1.0.2 release, but fixed client metadata.

Same as 1.0.2 release, but fixed client metadata.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.2...v1.0.3

Open source →

1.0.24 Aug 2025withdrawn: Broken client version

Nothing published for this version

1.0.131 Jul 2025

Make tyro an examples-only dependency by @sea-bass in https://github.com/nerfstudio-project/viser/pull/516

What's Changed

Make tyro an examples-only dependency by @sea-bass in https://github.com/nerfstudio-project/viser/pull/516
Add Python 3.13 to CI by @brentyi in https://github.com/nerfstudio-project/viser/pull/513
Manually end event loop on exit to avoid nanobind reference leak warnings by @brentyi in https://github.com/nerfstudio-project/viser/pull/519
Add fixedDpr debug flag by @brentyi in https://github.com/nerfstudio-project/viser/pull/520
Update docs, add arXiv link by @brentyi in https://github.com/nerfstudio-project/viser/pull/523
Fix RGBA regression for images, revisit media_type / format props by @brentyi in https://github.com/nerfstudio-project/viser/pull/512

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v1.0.0...v1.0.1

Open source →

1.0.06 Jul 2025Deprecated

Most methods now require keyword arguments - positional arguments deprecated with warnings

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 https://github.com/nerfstudio-project/viser/pull/410
@kikislater made their first contribution in https://github.com/nerfstudio-project/viser/pull/407
@zerolover made their first contribution in https://github.com/nerfstudio-project/viser/pull/422
@ArthurAllshire made their first contribution in https://github.com/nerfstudio-project/viser/pull/427
@slecleach made their first contribution in https://github.com/nerfstudio-project/viser/pull/486
@hongsukchoi made their first contribution in https://github.com/nerfstudio-project/viser/pull/492
@alberthli made their first contribution in https://github.com/nerfstudio-project/viser/pull/494

Open source →

0.2.2330 Jan 2025

Fix non-integer marks for sliders in https://github.com/nerfstudio-project/viser/pull/380

What's Changed

Fix non-integer marks for sliders in https://github.com/nerfstudio-project/viser/pull/380
(Critical) Fixes + test for Python 3.8 in https://github.com/nerfstudio-project/viser/pull/381

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.22...v0.2.23

Open source →

0.2.2228 Jan 2025

Fix minor play/pause button bug for embedded visualizations in https://github.com/nerfstudio-project/viser/pull/376

What's Changed

Fix minor play/pause button bug for embedded visualizations in https://github.com/nerfstudio-project/viser/pull/376
Report exceptions thrown from thread pool workers in https://github.com/nerfstudio-project/viser/pull/377
Add utility for computing frustum dimensions in https://github.com/nerfstudio-project/viser/pull/378
Client refactor, fixes fast refresh in https://github.com/nerfstudio-project/viser/pull/379

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.21...v0.2.22

Open source →

0.2.2119 Jan 2025

(Critical) Fix garbage collector for GUI updates in https://github.com/nerfstudio-project/viser/pull/372

What's Changed

(Critical) Fix garbage collector for GUI updates in https://github.com/nerfstudio-project/viser/pull/372
Avoid websocket reconnection from hidden tabs in https://github.com/nerfstudio-project/viser/pull/367
Export viser.GridHandle in https://github.com/nerfstudio-project/viser/pull/373
Bump client dependencies, less aggressive adaptive DPR in https://github.com/nerfstudio-project/viser/pull/374

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.20...v0.2.21

Open source →

0.2.207 Jan 2025

Allow erase for frustum images by @brentyi in https://github.com/nerfstudio-project/viser/pull/342

What's Changed

Allow erase for frustum images by @brentyi in https://github.com/nerfstudio-project/viser/pull/342
Fix broken toon3/toon5 materials, bump to three r170 by @brentyi in https://github.com/nerfstudio-project/viser/pull/345
Fix Gaussian rendering from virtual cameras by @brentyi in https://github.com/nerfstudio-project/viser/pull/344
Implement gui.add_image() + plotting example by @brentyi in https://github.com/nerfstudio-project/viser/pull/343
Improve memory management: more aggressive message culling + tests by @brentyi in https://github.com/nerfstudio-project/viser/pull/353
Fix file upload notification by @brentyi in https://github.com/nerfstudio-project/viser/pull/354
Add .near and .far props to camera handles by @brentyi in https://github.com/nerfstudio-project/viser/pull/356
Fix buffer updates, unnecessary remounts for Gaussian renderer by @brentyi in https://github.com/nerfstudio-project/viser/pull/362
Remove unnecessary array copies for add_line_segments() by @brentyi in https://github.com/nerfstudio-project/viser/pull/363
Cleaner API for saved/embedded visualizations + initial documentation by @brentyi in https://github.com/nerfstudio-project/viser/pull/357
Fix badges by @brentyi in https://github.com/nerfstudio-project/viser/pull/364
Orbit origin tool by @brentyi in https://github.com/nerfstudio-project/viser/pull/361

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.19...v0.2.20

Open source →

0.2.1921 Nov 2024

More consistent API for environment map orientation in https://github.com/nerfstudio-project/viser/pull/334

What's Changed

More consistent API for environment map orientation in https://github.com/nerfstudio-project/viser/pull/334
Fix scene node edge cases in https://github.com/nerfstudio-project/viser/pull/338
More permissive input annotations for get_render() in https://github.com/nerfstudio-project/viser/pull/339

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.18...v0.2.19

Open source →

0.2.1813 Nov 2024

Significantly reduce scene tree remounts, display improvements by @brentyi in https://github.com/nerfstudio-project/viser/pull/328

What's Changed

Significantly reduce scene tree remounts, display improvements by @brentyi in https://github.com/nerfstudio-project/viser/pull/328
Screen space line width for camera frustums by @brentyi in https://github.com/nerfstudio-project/viser/pull/330
Fix: button group event triggers, camera frustum scale + click bugs by @brentyi in https://github.com/nerfstudio-project/viser/pull/332
Fix z-fighting artifacts in new camera frustums by @brentyi in https://github.com/nerfstudio-project/viser/pull/333

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.17...v0.2.18

Open source →

0.2.1710 Nov 2024

Polish scene tree table in https://github.com/nerfstudio-project/viser/pull/324

What's Changed

Polish scene tree table in https://github.com/nerfstudio-project/viser/pull/324
Add line thickness prop for camera frustums in https://github.com/nerfstudio-project/viser/pull/325

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.16...v0.2.17

Open source →

0.2.169 Nov 2024

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.15...v0.2.16

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.15...v0.2.16

Open source →

0.2.159 Nov 2024

Fix overflow artifacts for scene tree table in https://github.com/nerfstudio-project/viser/pull/322

What's Changed

Fix overflow artifacts for scene tree table in https://github.com/nerfstudio-project/viser/pull/322
Local prop override interface for scene tree GUI in https://github.com/nerfstudio-project/viser/pull/323

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.14...v0.2.15

Open source →

0.2.148 Nov 2024

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.13...v0.2.14

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.13...v0.2.14

Open source →

0.2.138 Nov 2024withdrawn: Broken wheels

Fix array mutation bugs in https://github.com/nerfstudio-project/viser/pull/319

What's Changed

Fix array mutation bugs in https://github.com/nerfstudio-project/viser/pull/319
Add origin_color prop to frame objects in https://github.com/nerfstudio-project/viser/pull/320
0.2.13, switch from setuptools to hatchling in https://github.com/nerfstudio-project/viser/pull/321

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.12...v0.2.13

Open source →

0.2.124 Nov 2024

Support rendering from virtual cameras in https://github.com/nerfstudio-project/viser/pull/307

What's Changed

Support rendering from virtual cameras in https://github.com/nerfstudio-project/viser/pull/307
Use new websockets API, fix .stop() in https://github.com/nerfstudio-project/viser/pull/313
Add scene.add_line_segments() in https://github.com/nerfstudio-project/viser/pull/315

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.11...v0.2.12

Open source →

0.2.1118 Oct 2024

Fix 0.0.0.0-related issues by @brentyi in https://github.com/nerfstudio-project/viser/pull/306

What's Changed

Fix 0.0.0.0-related issues by @brentyi in https://github.com/nerfstudio-project/viser/pull/306

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.10...v0.2.11

Open source →

0.2.1018 Oct 2024

Bug and performance fixes. We also now support callbacks define with async def.

What's Changed

Bug and performance fixes. We also now support callbacks define with async def.

Clean message buffers after GUI/scene elements are removed in https://github.com/nerfstudio-project/viser/pull/293
Use float16 buffers for point clouds in https://github.com/nerfstudio-project/viser/pull/296
Improvements for embedding / playback in https://github.com/nerfstudio-project/viser/pull/297
Remove Cholesky logic from Gaussian shader in https://github.com/nerfstudio-project/viser/pull/298
Fix temporal off-by-1 for wxyz/position updates in https://github.com/nerfstudio-project/viser/pull/299
Improve behavior for initial camera pose in https://github.com/nerfstudio-project/viser/pull/300
Mobile size adjustments, comments fixes in https://github.com/nerfstudio-project/viser/pull/301
Faster icons in https://github.com/nerfstudio-project/viser/pull/303
Concurrency refactor, async callback support in https://github.com/nerfstudio-project/viser/pull/304
Fix cast in Python 3.8, property setters, race condition in https://github.com/nerfstudio-project/viser/pull/305

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.9...v0.2.10

Open source →

0.2.925 Sept 2024

Transform helpers cleanup in https://github.com/nerfstudio-project/viser/pull/285

What's Changed

Transform helpers cleanup in https://github.com/nerfstudio-project/viser/pull/285
Fix bone transforms for skinned meshes in https://github.com/nerfstudio-project/viser/pull/287
GUI prop refactor in https://github.com/nerfstudio-project/viser/pull/288
Bug fixes in https://github.com/nerfstudio-project/viser/pull/289
Callback, scene node removal API improvements in https://github.com/nerfstudio-project/viser/pull/290
Skinned mesh + SMPL example adjustments in https://github.com/nerfstudio-project/viser/pull/291

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.8...v0.2.9

Open source →

0.2.812 Sept 2024

Scene tree refactor by @brentyi in https://github.com/nerfstudio-project/viser/pull/280

What's Changed

Scene tree refactor by @brentyi in https://github.com/nerfstudio-project/viser/pull/280
Lighting support by @beckyfeng08 in https://github.com/nerfstudio-project/viser/pull/277
Notification prop refactor by @brentyi in https://github.com/nerfstudio-project/viser/pull/283

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.7...v0.2.8

Open source →

0.2.729 Aug 2024

Hotfix for remove() for URDF helper.

Hotfix for remove() for URDF helper.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.6...v0.2.7

Open source →

0.2.629 Aug 2024

Minor update for URDF helper, which now has a .remove() method.

Minor update for URDF helper, which now has a .remove() method.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.5...v0.2.6

Open source →

0.2.529 Aug 2024

fix builtins module by @ojh6404 in https://github.com/nerfstudio-project/viser/pull/276

What's Changed

fix builtins module by @ojh6404 in https://github.com/nerfstudio-project/viser/pull/276

New Contributors

@ojh6404 made their first contribution in https://github.com/nerfstudio-project/viser/pull/276

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.4...v0.2.5

Open source →

0.2.429 Aug 2024

Make 'gdown' an example group dependency. by @kdexd in https://github.com/nerfstudio-project/viser/pull/234

What's Changed

Make 'gdown' an example group dependency. by @kdexd in https://github.com/nerfstudio-project/viser/pull/234
Basic skinned meshes by @brentyi in https://github.com/nerfstudio-project/viser/pull/203
(Experimental) Recording/playback API by @brentyi in https://github.com/nerfstudio-project/viser/pull/240
(Experimental) Gaussian splatting + WebGL by @brentyi in https://github.com/nerfstudio-project/viser/pull/110
Add progressbar component by @jkulhanek in https://github.com/nerfstudio-project/viser/pull/238
Revisit serialization dependencies, add progress bar for playback (experimental) by @brentyi in https://github.com/nerfstudio-project/viser/pull/244
Add GUI reset helper + fix init race condition by @brentyi in https://github.com/nerfstudio-project/viser/pull/241
Move WebSocket clients to web workers + compress messages by @brentyi in https://github.com/nerfstudio-project/viser/pull/245
Fix broken cleanup, skinned mesh race condition by @brentyi in https://github.com/nerfstudio-project/viser/pull/250
(experimental) Playback control prototype by @brentyi in https://github.com/nerfstudio-project/viser/pull/251
Global sort + SIMD for Gaussian rendering by @brentyi in https://github.com/nerfstudio-project/viser/pull/252
More optimizations for Gaussian rendering by @brentyi in https://github.com/nerfstudio-project/viser/pull/257
Untie splat rendering components from viser-specific internals by @brentyi in https://github.com/nerfstudio-project/viser/pull/258
Add instance_index to click event for batched axes by @brentyi in https://github.com/nerfstudio-project/viser/pull/272
Notifications by @ginazhouhuiwu in https://github.com/nerfstudio-project/viser/pull/225

New Contributors

@kdexd made their first contribution in https://github.com/nerfstudio-project/viser/pull/234

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.3...v0.2.4

Open source →

0.2.329 Jun 2024

Fix float/int cast for vector2 and vector3 GUI elements by @brentyi in https://github.com/nerfstudio-project/viser/pull/231

What's Changed

Fix float/int cast for vector2 and vector3 GUI elements by @brentyi in https://github.com/nerfstudio-project/viser/pull/231

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.2...v0.2.3

Open source →

0.2.227 Jun 2024

Small fix in development.md by @ginazhouhuiwu in https://github.com/nerfstudio-project/viser/pull/224

Bug fixes!

What's Changed

Small fix in development.md by @ginazhouhuiwu in https://github.com/nerfstudio-project/viser/pull/224
Default mime type to application/octet-stream for unrecognized file types by @ginazhouhuiwu in https://github.com/nerfstudio-project/viser/pull/227
Fix context forwarding for 3D GUI containers by @brentyi in https://github.com/nerfstudio-project/viser/pull/229
Fix scene pointer events for Firefox by @brentyi in https://github.com/nerfstudio-project/viser/pull/228
Fix message buffer race conditions by @brentyi in https://github.com/nerfstudio-project/viser/pull/223

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.2.1...v0.2.2

Open source →

0.2.17 Jun 2024

Allow users to set logging verbosity explicitly from viser server by @hangg7 in https://github.com/nerfstudio-project/viser/pull/222

What's Changed

Allow users to set logging verbosity explicitly from viser server by @hangg7 in https://github.com/nerfstudio-project/viser/pull/222

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.1.31...v0.2.1

Open source →

0.2.01 Jun 2024Deprecated

Deprecations warnings are now raised when the older API is used.

Updated API.

Before:

server.add_gui_button()
server.add_gui_folder()
server.on_scene_click()
server.add_mesh()
server.reset_scene()

After:

server.gui.add_button()
server.gui.add_folder()
server.scene.on_click()
server.scene.add_mesh()
server.scene.reset()

Deprecations warnings are now raised when the older API is used.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.1.31...v0.2.0

Open source →

0.1.341 Jun 2024

Fix edge cases in 3D gui container.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.1.33...v0.1.34

Open source →

0.1.331 Jun 2024

Minor bug fixes: GUI dropdown edge case, unnecessary client builds.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.1.32...v0.1.33

Open source →

0.1.3229 May 2024

Fixed edge cases with GUI containers.

Full Changelog: https://github.com/nerfstudio-project/viser/compare/v0.1.31...v0.1.32

Open source →

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