Updated CHANGELOG.md for 1.4.15 release

Updated CHANGELOG.md for 1.3.42 release

Updated CHANGELOG.md for 1.2.49 release

Updated CHANGELOG.md for 1.1.5 release

set version in changelog, removed road map to v1 from readme

Ensure docs projects have separate coding rules from src/test projects

Update CHANGELOG.md

Update changelog for beta-11

updated docs to beta-10

updated dotnet version in GA workflows