Release v3.0.0

Release Date: September 20, 2026

v3 introduces a new desktop interface for managing projects, running workflows, and viewing results.

A clearer project workspace. Overview shows subject readiness, storage, and activity; Jobs keeps progress and logs together; Results brings your outputs into one browser.
Native visualization. Open volumes and meshes in a separate TetraVox window, place electrodes on a subject’s scalp, and preview selected targets alongside the Simulator, Optimizer, and Analyzer.
More flexible targeting. Import your own NIfTI masks in subject or MNI space for optimization and analysis, with read-only target previews.
Faster segmentation with hardware-aware setup. FastSurfer uses an accessible NVIDIA GPU in Docker. Apple Silicon users can enable native GPU support in Settings → Pre-processing, with an explanation and permission prompt before installation. Thread preferences apply across projects.
Scripted workflows. Work in notebooks and enable optional extensions as needed.
Simpler setup. The desktop application manages the core container and native viewer setup; XQuartz and other X11 setup are no longer required.

Back up your project, then follow the installation steps. The core image is now idossha/ti-toolbox:v3.0.0.
Existing project directories, head models, simulations, and optimization outputs remain readable.
FastSurfer provides DKT-atlas segmentation. Choose optional FreeSurfer when you need full reconstruction or its subregions; see Pre-processing.
Script users: PreprocessConfig.run_recon becomes run_fastsurfer; parallel_recon, parallel_cores, and run_subcortical_segmentations are removed. The tit.calc API from v2.5.0 is unchanged. See the Changelog for details.

Desktop App (v3.0.0): macOS Intel · macOS Apple Silicon · Windows · Linux AppImage · Linux deb

Other:

For installation instructions, see the Installation Guide.

Getting Help

See Troubleshooting for known issues, or GitHub Discussions for help.