[wp-trac] [WordPress Trac] #35108: Responsive images blurry - srcset attribute doesn't include full size version

[WordPress Trac]

#35108: Responsive images blurry - srcset attribute doesn't include full size
version
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 Reporter:  nicasi           |      Owner:
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Post Thumbnails  |    Version:  4.4
 Severity:  normal           |   Keywords:
  Focuses:                   |
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 It seems the_post_thumbnail() function doesn't produce the correct code
 for responsive images.

 Steps to reproduce the problem:
 - Set an image wider than 1024px as a featured image on a post (in a theme
 supporting this feature)
 - Use the_post_thumbnail() somewhere in a theme file and look at the
 output.

 Expected: srcset of img tag should include full size version.

 Instead: srcset doenst include full size version, widest version included
 is 1024px version thus making rendering of viewport wide images on higher
 resolution devices (wider than 1024 physical pixels) blurry.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35108>
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