[wp-trac] [WordPress Trac] #54487: Backport bug fixes from Gutenberg into Core for WP 5.9

[WordPress Trac]

#54487: Backport bug fixes from Gutenberg into Core for WP 5.9
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 Reporter:  noisysocks                       |       Owner:  noisysocks
     Type:  task (blessed)                   |      Status:  assigned
 Priority:  normal                           |   Milestone:  5.9
Component:  Editor                           |     Version:
 Severity:  normal                           |  Resolution:
 Keywords:  has-patch has-unit-tests commit  |     Focuses:
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Comment (by hellofromTonya):

 In [changeset:"52401" 52401]:
 {{{
 #!CommitTicketReference repository="" revision="52401"
 Editor: Add support for nameless font sizes in `WP_Theme_JSON`.

 With nameless font sizes support, themes use the defaults by not declaring
 the `"name"` setting for their `fontSizes` in `theme.json`.

 Backport from Gutenberg https://github.com/WordPress/gutenberg/pull/37410.

 Follow-up to [50973], [52049], [52275], [52320].

 Props ntsekouras, costdev, hellofromTonya.
 Fixes #54640. See #54487.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/54487#comment:42>
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