After upgrading to WordPress 5.3, you might not know how to link images to media files when publishing posts in the Gutenberg editor. Naiba here teaches you how to
link images to media files.。

After uploading an image, click on the image, then select the link icon that appears, and choose Media File.
How to add images to a post? 
If you are using the built-in Gutenberg editor, the location to upload images is by clicking the plus sign in the top-left corner, then selecting Image, and you can upload and insert images. Note: Some hosts may fail to publish images in WP 5.3, with an error message:
Error message: This response is not a valid JSON response.
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