Release 6.6.0-rc.0

packages/random/package.json

packages/release-action/CHANGELOG.md

packages/release-action/package.json

packages/rest-typings/CHANGELOG.md

packages/rest-typings/package.json

packages/server-cloud-communication/CHANGELOG.md

packages/server-cloud-communication/package.json

packages/server-fetch/CHANGELOG.md

packages/server-fetch/package.json

packages/sha256/CHANGELOG.md

packages/sha256/package.json

packages/tools/CHANGELOG.md

packages/tools/package.json

packages/ui-client/CHANGELOG.md

packages/ui-client/package.json

packages/ui-composer/CHANGELOG.md

packages/ui-composer/package.json

packages/ui-contexts/CHANGELOG.md

packages/ui-contexts/package.json

packages/ui-kit/CHANGELOG.md