Improvements to Gallery Block

[paaljoachim]

• Gallery: Refactor as wrapper around core image blocks Gallery: Convert Gallery block to use Image blocks instead of having its own nested image format #25940
• [WIP] Extend updateBlockAttributes to provide for different attribute changes for each block in the clientIds array Extend updateBlockAttributes to provide for different attribute changes for each block in the clientIds array #29099
• Fill component throws state update warning Fill component throws state update warning #28478
• Update gallery block fixtures to match with gallery refactor to nested Image Blocks Update gallery block fixtures to match with gallery refactor to nested Image Blocks #28481
• Gallery Block: Edit/remove buttons cover move image buttons Gallery Block: Edit/remove buttons cover move image buttons #28600 (can potentially be closed now)
• Make links in gallery captions white Make links in gallery captions white #27743
• Move Gallery "Add new / Media Library" actions to the Toolbar Move Gallery "Add new / Media Library" actions to the Toolbar #21247
• Refactor GalleryImage to use React hooks Refactor GalleryImage to use React hooks #25305 (closed - as this code is being deprecated post refactor it probably isn't worth refactoring at this point)
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• New Block: Flowing Masonry Gallery New Block: Flowing Masonry Gallery #28247
• Block height drops to 0 on alignment set to left or right Block height drops to 0 on alignment set to left or right #27636 (_seems to be fixed in 5.8 and Gutenberg 11.3)
• Convert to blocks: Gallery shortcode sometimes converted to Gallery block, sometimes to paragraph block with a gallery shortcode #26458
• Gutenberg Gallery block does not center in Full Width Template. Gutenberg Gallery block does not center in Full Width Template. #26674
• Columns number reset to 3 in gallery settings Columns number reset to 3 in gallery settings #27706
• It's not clear that you can scroll to view long gallery image captions.
  It's not clear that you can scroll to view long gallery image captions.  #7963
• External links in the Gallery block External links in the Gallery block (was #5366) #10057
• Image Upload - Invalid JSON warning Image Upload - Invalid JSON warning #16372
• Media library can only be opened once - upload freezes on second opening Media library can only be opened once - upload freezes on second opening #11373 (fixed in 5.8)
• Improve the Gallery images alt attribute within the editor block Improve the Gallery images alt attribute within the editor block #16886 (after refactor images don't have aria label, so closed)
• Gallery images not displaying scaled image files... Gallery images not displaying scaled image files...  #20778 - (appears to be fixed by refactor)
• Resizing images in the image gallery are not reflected in the Gutenberg UI Resizing images in the image gallery are not reflected in the Gutenberg UI #28250

Mobile

• [RNMobile] Refactor: gallery to nested image blocks [RNMobile] Refactor: gallery to nested image blocks #26823
• [Gutenberg][Testing] Gallery to inner blocks (mobile) [Gutenberg][Testing] Gallery to inner blocks wordpress-mobile/WordPress-iOS#15284

Associated

• Image block caption to become an inner/child block Image block caption to become an inner/child block #28920
• Introduce a way to manage focus on the RichText editor Introduce a way to manage focus on the RichText editor #9740
• "Undo trap": Avoid getting stuck in an editing state "Undo trap": Avoid getting stuck in an editing state #8119
• Consistency between image options in single image and gallery blocks. Consistency between image options in single image and gallery blocks. #11436

https://github.com/WordPress/gutenberg/issues?q=is%3Aissue+is%3Aopen+label%3A%22%5BBlock%5D+Gallery%22+

[spacedmonkey]

Related: #11849

[glendaviesnz]

@paaljoachim I went through the above and closed some, and added some notes to others (italics)

[mtias]

Thanks @glendaviesnz. Actually, we can close this whole issue because the main planned work is done and what remains can be handled in their own issues.