The following, initially outlined here, is an overview of the major functionality to be introduced in Phase 2 to help visualize the progress in terms of product scope.

There’s a lot of unknown unknowns at the moment so this is a living document that will evolve and adapt over time.

⛏ Actionable Items

💡 Focuses

Widget-block interface integration

• Integration of the blocks editor to the Widgets screen [#13204]
• Integration of the blocks editor to the customizer [#13205]

Navigation block

• Menu Navigation Block [#1466] -> new [#13690]
• Integration of the blocks editor to the Menu Screen [#13206]

Themes registering content areas in Gutenberg

• Theme registering content areas for Gutenberg editing [#13489]

💎 Tightening Up

• Improvements for the Latest Post Block [#1594]
• Server-side registration [#2751]
• Reordering Gallery Items, including support for Drag&Drop [#743]
• Resizing columns in the column block
• Improve Keyboard Interactions (list shortcuts, tabbing..) [#9611, #11581 ...]
• Improvements to Media Interactions #11952
• Drag an image over another to create a Gallery [#9783]
• Better undo
  • Fixing any undo traps [#8119]
  • Making sure undo steps in macro-interactions (conversions, etc.) feel right
  • Making sure undo steps in micro-interactions (mostly: rich-text editing) feel right
  • Fixing "misplaced" carets, likely by tracking selection state in undo history
• Accessible Autocomplete component to use instead of unbounded requests [#7384]
• Tip improvements. NUX label
• Microinteractions [#8029]
• Continual triage

🗺 To discuss

• Better style variations and theme integration API [#7551]
• Responsive layouts and grids[#4314, #13203, #13363]

Blocks

• Improvements to the Nested Blocks interactions (selection…) [#9628]
• Title block [#11553]
• HTML block with components and custom CSS
• Simple block + simple block = complex block (combining blocks by drag n drop to form more
  complex existing blocks) [#13202]

✅ Done

• Widget-block interface integration
  • Classic Widget Block [#4770]
  • Reusable BlockEditor component that can be embedded in several screens [#13088]
• Widgets 2 Blocks:
  • RSS block [#1799]
  • Search block [#1800]
  • Calendar block [#1462]
  • Tag Cloud block [#1801]
• Block Management UI [#14139]
• Section/Container block [#4900]
• Improvements to existing blocks:
  • Cover block [#10925]
  • Cover block with nested elements [#13822]
• Continual work on performance [#11782]
• Supported nested blocks in the cover block [#13822]