docs: add changelog for 4.0.0-rc.3 

release: cut the 4.0.0-rc.2 release 

release: cut v2.4.9 

build: cut 4.0.0-rc.1 rc.0 is not part of the repo history because of a missing fix that was discovered after publishing to npm

release: cut v4.0.0-beta.8 

release: cut v2.4.8 

docs(changelog): add changelog for 4.0.0-beta.7 

docs(changelog): add changelog for 2.4.7 

docs(changelog): add changelog for 4.0.0-beta.6 

docs(changelog): add changelog for 2.4.6