This release is primarily a bug-fix release. Also included are some automation improvements and dependency version updates. No new algorithmic features are included.

Important bug-fixes:

• HDF5 I/O on Windows works as expected
• 3D visualization windows on MacOS 10.15 now display properly
• Fixed slight offset between projections created using the CPU backend ray casters and the OpenCL backend ray casters

Automation:

• Windows build script
• New POSIX build script (more customizable)
• Python script to automate linux builds via docker
  • Ubuntu 16.04, 18.04, 20.04 and CentOS 7
• Functional testing python script which executes commands from the wiki walkthrough and displays results for verification

Updates in dependency versions:

• VTK 7 --> 8
• ITK 4 --> 5
• Boost 1.65 --> 1.74
• OpenCV 3.2 --> 3.4