[wp-trac] [WordPress Trac] #35725: Add mime-type for Webp

[WordPress Trac]

#35725: Add mime-type for Webp
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 Reporter:  markoheijnen                         |       Owner:  (none)
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  Future
                                                 |  Release
Component:  Media                                |     Version:  3.5
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch 2nd-opinion needs-testing  |     Focuses:
  has-unit-tests needs-refresh                   |
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Comment (by Clorith):

 Some more research should also be put into the underlying dependencies
 here, as both the GD and Imagick library can be compiled without WebP
 support (at least in the case of GD, it needs to be explicitly told to
 compile with the support).

 An indication of availability of such features would go a long way as an
 initial step before looking at possible implementations.

 Other considerations brought up is availability from a user perspective,
 the support for WebP in the image libraries is for either converting other
 formats towards WebP, but also to manipulate WebP images to generate image
 sizes for example. But we should also consider the formats availability to
 end users, can they make the image format them selves?

 And finally, compatibility, as noted, the latest OSX just launched (Big
 Sur) which brings support for WebP to the Safari browser, but other
 clients are still lagging behind. the ever present IE 11 is still out
 there in the wild, and Microsoft Edge (pre-chromium update) is also the
 latest Edge version available to many users due to the staggered rollout
 from Microsoft, both of which do not support the WebP format and a
 fallback would need to be implemented for sites trying to use WebP images
 that their visitors may not be able to access, this introduces wrapper
 classes which may not be compatible with existing styling of sites, and is
 likely going to need a theme support entry for WebP, much like there is
 for HTML5-variations of some components.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35725#comment:32>
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