v21.2.17
docs(docs-infra): add Spanish community translation
docs(docs-infra): sanitize markdown tooltip in Code editor
fix(docs-infra): readable contrast for DEV/EXP api badges in light mode
docs: add new signal forms field metadata guide
docs(docs-infra): fix app-scroller offset. (#64144)
build: enable angular formatting on all html files
fix(docs-infra): keep mobile nav drawers usable on small screens
refactor(docs-infra): switch to use unit-test builder
fix(docs-infra): improve skip-to-main-content method to focus <main> element instead of h1
refactor: add explicit types for exports relying on inferred call return type (#61312)
docs(docs-infra): introduce a custom UrlSerializer
refactor(docs-infra): automate algolia index name based on package version
docs(docs-infra): Add OnPush change detection for components (#64570)