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Opened 22 months ago

Last modified 21 months ago

#36523 new defect (bug)

Problem with full-sized images in Library after updating to WP 4.5

Reported by: Pixeldrummer Owned by:
Milestone: Awaiting Review Priority: normal
Severity: normal Version: 4.5
Component: Media Keywords: reporter-feedback
Focuses: Cc:


When placing images into posts/pages they appear medium sized. I selected the image to show in full-size but the preview image appeared like a broken link (in the library) and the image could not be changed to full-size in the post. That is true for all images.

In another site the background image, which was full-size looked 'corrupted' in all browsers, completely shredded in Safari on Mac. Not usable!

As a temporary work around go to the Library, find the image(s) in question and edit each image by scaling it down very slightly. I.e. I changed that background image from 2000px x 2000px to 1950px x 1950px and saved it. Or changed a smaller image from 223px to 220px. As soon as you edit in this way that image will render properly and show the preview in the library. I won't be updating any other sites to 4.5 until this is fixed.

Attachments (3)

wp-4.5-image-render.png (18.4 KB) - added by Pixeldrummer 21 months ago.
large image renders in Safari on Mac
wp-4.5-image-render-ff.png (1.2 MB) - added by Pixeldrummer 21 months ago.
wp 4.5 image renders in FF on Mac
pw-4.5-backround-image.png (13.2 KB) - added by Pixeldrummer 21 months ago.
wp 4.5 large image in Safari not rendering

Download all attachments as: .zip

Change History (7)

#1 @swissspidy
21 months ago

  • Keywords reporter-feedback added

Hey there,

Thanks for creating this ticket and welcome to WordPress trac!

Can you elaborate a bit more on how you upload the images and how they get displayed? Screenshots or perhaps even a short screencast would be very helpful.

Also, which image sizes are configured in Settings -> Media?

That's the first time I've heard of such a bug, so any additional steps to reproduce it would be very helpful. Usually, you should try it using a default theme with all plugins disabled to make sure it's indeed a bug in WordPress core and not another part of your site.

21 months ago

large image renders in Safari on Mac

21 months ago

wp 4.5 image renders in FF on Mac

21 months ago

wp 4.5 large image in Safari not rendering

#2 @Pixeldrummer
21 months ago

The first two images are a development site, where WP was updated before starting to work on it. So the problem in Safari was not obvious until I worked on my Mac and tested the display.

The third image was 'fixed' for all browsers when I scaled it down, as described in my original report, but it does not render properly in Safari on Mac. Safari Version 9.0.3 (11601.4.4), and yes I cleared history and cache. Am starting to think that images without specific size definitions are those with the problem. I converse with some of my peers online and others have noticed problems with this upgrade. One reported this:

I've found two other problems with 4.5 so far. One is related: I updated a site and when I uploaded new images, I get the generic "file" image in Media Library. The images are there, if I put them into a page they're fine, but the image thumbnail in Media Library wont' display. Apparently I'm not the only one.

Always comes back to the media library.
image settings are 100 x 100, 300 x 300, 1024 x 1024
I drag images into the library.
Just to mention those problems did not show up until the moment I updated to 4.5.
Just installed and tested on WP theme 2016. Same problem in Safari.

Last edited 21 months ago by Pixeldrummer (previous) (diff)

#3 @mikeschroder
21 months ago

@Pixeldrummer Thanks for the report!

Do I understand correctly from your previous note that this was an issue even with a clean install and Twenty Sixteen? (sounds like yes?)

Presuming so, could you please:

  • Post the PHP, Imagick and ImageMagick version numbers from a phpinfo() script on your server?
  • Attach an example image that has this problem when uploading, for testing?

#4 @Pixeldrummer
21 months ago

Thank you for your reply. WP 4.5 and 4.5.1 has a definite impact on the way images are handled in the Media Library. But I have now found out that this is happening specifically when X-Theme (Theme.co) is active. These issues, now also reported here: https://core.trac.wordpress.org/ticket/36677 do not appear in sites with X-Theme and WP versions earlier than 4.5.

I have now posted in the X-Theme support site: https://community.theme.co/forums/topic/wp-4-5-and-4-5-1-cause-media-library-and-placement-problems-in-x-theme/. Testing in a site with WP 4.5.1 and another theme, everything works as it should. Am still reluctant to upgrade all sites to WP 4.5.1. I can find work-arounds, average users might not.

The rendering of the images as posted here has sorted itself out.

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