--------------------------------------------------------------------
--------------------------------------------------------------------
SEMCAD X Matterhorn V20.0.2 Release Notes
--------------------------------------------------------------------
--------------------------------------------------------------------

Release Date:
6.10.2022


SEMCAD X Matterhorn V20.0.2 is a maintenance release based on 
SEMCAD X Matterhorn V20.0.1. V20.0.2 includes a series of bug fixes 
and improvements over the previous SEMCAD X Matterhorn V20.0.1.

This document summarizes the bug fixes and improvements, and 
other important issues to be aware of in this release.


--------------------------------------------------------------------
TABLE OF CONTENTS
--------------------------------------------------------------------
1. Installation Requirements
2. Supported OS
3. List of Main Bugs (Selection) Fixed Since V20.0.1 Release
4. Known Issues

--------------------------------------------------------------------


--------------------------------------------------------------------
1. Installation Requirements
--------------------------------------------------------------------

- Administrator rights are required during the installation process.
- NVIDIA graphics card, with support for OpenGL versions higher
than v3.0.


--------------------------------------------------------------------
2. Supported OS
--------------------------------------------------------------------

- Windows Server 2012 R2
- Windows 8.1 64 bit
- Windows 10 64 bit
- Windows 11 64 bit

SEMCAD X Matterhorn V20.0.1 uses Acceleware's Catania library 
version 11.3.1. Please get the latest NVIDIA driver for your 
hardware from the Acceleware website: 
https://acceleware.com/fdtd-11-3-0,
https://acceleware.com/fdtd-11-3-1 and 
https://acceleware.com/fdtd-11-3-2. 

Please note that only NVIDIA GPUs with CUDA Compute Capability 3.5
or higher are supported by both the SEMCAD X CUDA and AXE solvers.


--------------------------------------------------------------------
3. List of Main Bugs Fixed Since V20.0.1 Release
--------------------------------------------------------------------

- Case 129457: Enable distribute along line from Python
- Case 150787: Fix the legends of the color bar for some viewers
- Case 159110: Enabling cloning of the simulation of certain 
type of Solvers cloning via Python
- Case 165980: Fix the default dB reference value in the scalar bar 
for Far Field plots in dBi 
- Case 166312: Fix the missing Python API for Flux Evaluator and 
EM Current Normalizer
- Case 166322: Corrections in the name and properties of the Overall 
Field Surface Resolution in GUI
- Case 167785: Fix the magnitude unit of Plane Wave source in GUI
- Case 168638: Fix the issue preventing to save changes in the name 
of simulations
- Case 168716: Fix the issue preventing to keep solver's settings 
when using 'Clone As' tool
- Case 169639: Fix how tangential fields are plotted and interpolated 
in cell centers
- Case 169732: Restore the use of coherent sources in thermal 
simulations
- Case 169777: Fix the issue causing CUDA FDTD simulations to diverge 
on multi-GPU
- Case 170399: Fix the issue of failing of 'Check Wire Path' tool 
when no intersections found
- Case 170463: Support older versions of OpenGL to support older 
display adapters and some RDP configurations

--------------------------------------------------------------------
4. Known Issues
--------------------------------------------------------------------

- Case 32807: Instability for some rare dispersive material
configurations
- Case 40481: Python memory usage occasionally still occupied after
resetting analysis
- Case 47035: Random problems in visualization of Dispersive Viewer
- Case 54000: Random element appearing in Gridder
- Case 61881: Rare issue with distribution of the simulation job to 
the GPUs when using CUDA
- Case 86865: Job priorities may not correspond to the job execution
- Case 98764: Potentially decreased accuracy in rare specific 
events for sensor combiner of Far-field sensor