What's Changed

• [release/2.1] Fix site handing after enabling user time zone feature by @github-actions in #17077
• [release/2.1] Fix sitemap disposed stream by @github-actions in #17078
• Obsolete SiteOwner claim and fix OpenId by @MikeAlhayek in #17089
• Release 2.1.2 by @MikeAlhayek in #17079

Full Changelog: v2.1.1...v2.1.2