Changelog
All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog.
[1.2] - 2026-07
Added
- The keyboard shortcuts
Ctrl or CMD + W and Ctrl or CMD + Shift + W now close the currently focused module
Changed
- Improved logic of module apps
- Replaced apodization type
none with Uniform (Module 7: Pulsed Array)
- Starting a simulation now disables wave type selection (Module 2: Pulse Delay)
- Controls are now disabled while the simulation runs (Module 9: Doppler)
- Changing parameters now updates the image (Module 9: Doppler)
- Updated location grating lobes and X-axis (Module 6: Directivity)
- Draw line button is disabled when frequency is set to 0 (Module 8: Speckle Image)
- Made line plot bigger and the information more visible (Module 8: Speckle Image)
- A center frequency value is now selected by default (Module 1: Imaging Systems)
Removed
- Footer message displaying the "Essentials of Ultrasound Imaging" product label
Fixed
- Grating lobe location calculation (Module 6: CW Array)
- Broken layout when resizing (Module 2: Oblique Refraction)
- Filter type and filter input labels were switched (Module 3: Fourier Filter)
[1.1] - 2026-04
Added
- Software version display in Simulator Launcher footer.
- License expiration date in the Simulator Launcher footer.
- Launch-time warning dialog when the application is within 14 days of license expiration.
- Build date embedded in installer and application filename; license validity defined as 1 year from build date.
- Explicit Play control in Module 8: Video to prevent playback prior to figure initialization.
Changed
- Module 1: Imaging Systems: Improved user flow; “Next” navigation is disabled until a required selection is made.
- Improved presentation of the expired-license modal dialog.
- Updated product naming to Verasonics EoUSI Simulator across installer, application, and Simulator Launcher.
- Improved visual fidelity of application icons and splash screens; reduced pixelation artifacts.
- Refined UI styling for modal warning dialogs and End User License Agreement (EULA) dialogs.
- Application window now initializes centered on screen.
- Enforced light theme across the application due to rendering issues with dark theme.
Fixed
- Application launch failure caused by locale-dependent license date parsing (non-
en_US formats).
- Incorrect lower bound on Module 2: Layer Pulse Thickness slider.
- Intermittent rendering issue in Module 2: CW Layer graphic.
- Crash in Module 8: Scatter Image when no scatterers are present.
- Incorrect x-axis scale in Module 1: Imaging Systems.
- Incorrect y-axis scale for round-trip in Module 4: Transducers.
- Show bandwidth rather than max value in Module 4: Transducers.
[1.0] - 2025-02
Added