• Resolved willemb2

    (@willemb2)


    Since 5.8 WordPress supports webp images. To improve on page speed and storage space usage we started to use webp for all images.

    We send a newsletter using MailPoet (3.81.0 at the moment of writing) using WordPress posts in the form of featured image + excerpt. MailPoet sends them out including the webp images. Some e-mail clients show them correctly, but not Outlook on Windows, even not Outlook 365. And Apple Mail fails on iOS/Mac Os versions before 14.

    See this overview. Off course Outlook should render webp, but Microsoft never listens to me ??

    Does this mean I cannot use webp for featured images or are there other solutions?

    The page I need help with: [log in to see the link]

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