Release Notes

arivis Pro VR 4.5

Released: 2026-03-20

New: Tracing toolset: a new toolset with tools to trace and analyze neuron structures
New: VR Trace tool: assisted tracing and editing of neurons
New: VR Analyze tool: analyze and color neuron structures in VR by applying specialized object styles and show the style legend

Comeback of the VR Stories panel, in a simplified shape. Easy movie creation by recording and editing in VR and export VR movies from desktop

Comeback of the Surfaces panel: Import and register Surface meshes (OBJ files) on desktop and in VR

selected objects are visualized with a yellow outline now in the 2D Viewer
Improved: selection behavior (left click + drag a rectangle is now updated live)

Improved: native CZI handling
Improved: well plate import in general and especially for PE files, LaVision FastTile Blaze, compressed HDF5, Yokogawa, Aperio-SVS
Export / Import objects as labeled images or mask images directly from arivis Pro VR (no need to swithc to arivis Pro anymore)

New: ability of the Objects dialog to represent feature values as colorful bars normalized to min / max of the Summary (if enabled)

a link to request a trial license is available right from the License Selection dialog
arivis Pro VR can be installed from the ZEISS Microscopy Installer (ZMI)
numerous additional bug fixes and stability improvements
arivis Pro VR help content is provided by the ZEISS help viewer now
New: the Preview Features dialog allows you to activate and test early results for newly added features

VR Viewer: optimized meshing for faster object loading
VR Feature selection: added "advanced features" option
OpenXR: support for Virtual Desktop (VDXR) and Meta Quest Simulator
Tracing: spine counting and spine density object features
Tracing: improved SWC export * Objects: SD (standard deviation) added for a lot of features
Objects: morphological segment features (convex hull, cross section area, equivalent ellipse projection, maximum inscribed sphere, inscribed disk)
Objects: additional 2D segment features (symmetry 2D, Feret projection, convex hull projection)
Objects: switch to show only selected objects in the viewer has been moved to the Objects dialog
Objects table: improved handling for huge amount of objects in the objects table
Data Handling: open CZI data natively without the need for import
Data Handling: Thermo Fisher CellInsight CX7 media handler
Data Handling: ImageXpress MetaSeries Single/Multi-plane TIFF media handler
2D Viewer: removed Loupe Tool
VR controllers: added support for the Logitech MX Ink (MR Stylus for Meta Quest 3)
General: rebranded to ZEISS arivis Pro VR
General: enhanced System Check utility
General: switched to .Net 8
General: numerous additional bug fixes and stability improvements
General: Predictive Analytics service as optional install
Temporarily removed: Voice Commands, VR Stories, Surface Panel, and Counting Panel
Fully compatible with ZEISS arivis Pro 4.3

Collaboration: new model with templates and sessions (Require also new service version!)
Collaboration: session creator gets presenter rights (allow everyone with access to spawn new sessions)
Collaboration: improved download handling (less repeated downloads)
Collaboration: improved network error handling (for connection tests and data download)
Collaboration: multiple fixes for voice chat and file uploads
Collaboration: automatic download can be disabled (Advanced preference "network.Autodownload")
Collaboration: simplified Collaboration Wizard
Licensing: faster release of used licenses (important for multi-seat cloud licenses)
Removed deprecated native Oculus SDK support (Quest & Oculus headset fully supported via OpenXR)
Fully compatible with Vision4D 4.1.1

Tool Menus: Tool tips for Tool modes and some important settings, rearranged Tool titles
Performance improvements for loading and rendering of objects (Segments, Tracks, Traces)
Preferences: New performance setting for object rendering (adjustable object limit)
Collaboration: Integrated support of Azure Storage resources (for up- & download)
2D Draw tools improved (context menu and other enhancements)
Cloud license support: included Sentinel driver and HASP Lib have been upgraded to version 8.5
Tracking: Several bugfixes and tool improvements when working with dragon tail rendering
Various usability improvements and bugfixes
Fully compatible with Vision4D 4.1/ZEISS ariv

OpenXR: New VR Viewer preference to use another runtime than the active runtime of the system
VR Voice control: improved support for different English language packs
Various usability improvements and bugfixes

arivis VisionVR 4.0 Release Notes December 6, 2022

Traces: Full VR visualization of Trace Objects
Traces: Added 2D tracing tools
Opacity panel: new Invert feature
Layers: new Main Menu settings sub-page to configure the visibility of all object layers
Tool Menu: Visibility panel now filled dynamically with user favorites (up to 4 object layers)
VisionHub: Support for upload and download of images, objects and pipeline results to and from VisionHub servers
Tracking: Speed improvements and introduction of different center types for segment-based track spots
Tracking: changed default behaviour for manually created tracks with segments (now center of geometry is used)
VR Voice control: experimental support of voice commands to control render settings and object visualization
Preferences: Automatical "Prepare objects" after opening documents can be disabled
Headsets: added support of the Pico 4 (via SteamVR streaming)
Help: small improvements, updated requirements...
Various usability improvements and bugfixes
Fully compatible with Vision4D 4.0