I recently just found out that wordpress now uses a very low resolution for the featured image. Since version 5.3 they added this functionality, and I just only found out when there was some text in the image and it was very blurry and not readable.
For example, when uploading a picture for the featured image, the servers crunches the image, and I get a lot of resolutions:
image.jpg
image-768×550.jpg
image-300×215.jpg
image-2400×1719.jpg
…
​
WordPress uses the 768×550 one, and I would like it to use a little bit larger image. Now that I know about this, all the articles’ featured images look kind of blurry, this quality isn’t really high. I can’t find the setting to do this, and the various snippets like “add\_filter( ‘big\_image\_size\_threshold’, ‘\_\_return\_false’ );” don’t work. I just want it to use a slightly higher resolution that’s available. Anyone know how to do this?
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