v6.0.0-beta.1

What's fixed

• Fix uploading design in Files fieldtype #13497 by @duncanmcclean
• Ensure sidebar tab is only active when sidebar area is hidden #13501 by @duncanmcclean
• Markdown cheatsheet double close button #13496 by @jaygeorge
• Disable tabs when editing form blueprints #13488 by @duncanmcclean
• Don't redirect to referrer when 2FA challenge is required #13491 by @duncanmcclean
• Fix reorderable listings where items come from URL #13487 by @duncanmcclean
• Fix theme grid alignment #13511 by @jaygeorge
• Remove Bard's outer focus state when sets are selected #13510 by @jaygeorge
• Norwegian translations #13504 by @kjetilhole
• Fix markdown text color in dark mode #13481 by @kjetilhole
• Prevent tabindex prop type warnings on login page #13493 by @duncanmcclean
• Prevent the tree structure from flashing when disclosures open #13462 by @jaygeorge
• Asset tile and checkerboard improvements #13502 by @jaygeorge
• Adds "Set Alt" button in assets grid view #13480 by @kjetilhole
• Avoid making unnecessary requests in Relationship fieldtype #13514 by @duncanmcclean
• Add max files count #13477 by @jaygeorge
• Fix stacks closing immediately after opening #13516 by @duncanmcclean
• Pressing "esc" should blur CodeMirror inputs #13474 by @duncanmcclean