v21.2.14
build: merge the default.bzl and default2.bzl files (#30953)
refactor: remove duplicate theme style warnings (#31361)
docs: replace angular.io links with angular.dev (#29734)
refactor(multiple): remove standalone flag from experimental packages
feat(cdk-experimental/selection): Merge cdk–selection to the master (#20229)
refactor(material-experimental/selection): fix strict property initialization errors
refactor(multiple): remove CommonModule imports (#29924)