CopperSpice 1.5.3 stable was released on August 23 2019
Pre-built binary files can be found on our download site.
https://download.copperspice.com/copperspice/binary/cs-1.5/
CopperSpice Overview Documentation
https://www.copperspice.com/docs/cs_overview/index.html
CopperSpice 1.5 API Documentation
https://www.copperspice.com/docs/cs_api_1.5/index.html