How to update custom image sizes?

Related Posts:

1. How to get image title/alt attribute?
2. How to disable WordPress from creating thumbnails?
3. How do you get the post thumbnail size?
4. set_post_thumbnail_size vs add_image_size
5. Minimum Dimensions Requirement for Featured Image?
6. Generate Thumbnails only for Featured Images
7. How to get all featured image sizes and their URLs?
8. How to Dynamically Resize WordPress Image On-The-Fly (custom field/theme option)
9. Display thumbnail only if requested size exists
10. the_post_thumbnail responsive srcset not populating with custom image size
11. How to add multiple image sizes of the same size with add_image_size
12. New image size version only for the Featured Image file
13. Can’t extract and set SVG dimensions
14. Getting custom-sized featured image’s URL?
15. Showing a placeholder/default img, if no featured image is set
16. Featured image with the same height thumbs returns wrong thumb
17. How to change the naming of the resized image files
18. Change Output for Images in Content
19. Can WordPress crop only the post thumbnails?
20. Allow user to manually set crop area of default/custom image sizes on upload [closed]
21. How to get the image sizes, in a function, as per the sizes mentioned in the media settings?
22. Resizing Images to lower Disk Space Using Plugins
23. How to change _wp_attachment_metadata specific value in SQL?
24. Autogenerated Thumbnail compression depending on size
25. Only create image size when used in featured image
26. How can I get a different image size, if all I have is the link?
27. How to get custom image sizes into media uploader dropdown?
28. WordPress resizes image to the same size as uploaded
29. add_image_size and add_filter(‘image_size_names_choose’, ‘my_custom_image_sizes’) not working with wordpress 3.5.2
30. wordpress responsive image srcset not working
31. Customising the size of images served in Visual Composer elements [closed]
32. How do I get a random image from subset of images in media gallery?
33. How to scale up post thumbnails/featured image?
34. Why are extra 92 pixel square thumbnails created?
35. wp-cli regenerate media is not working for custom sizes
36. Upload 3 different featured image sizes to WordPress
37. Remove dimensions from filename featured image
38. Can a thumbnail of an animated gif be animated?
39. WordPress Uploader Editor shows broken image
40. add_image_size not working with the_post_thumbnail
41. Why does the Hard Crop option Scale?
42. How do I set the default “feature image” size?
43. How to get full absolute url for post attachment?
44. Thumbnail Cropping with add_image_size?
45. thumbnails are getting clipped down, want to resize instead
46. How check that there is post thumbnail feature image or not on wordpress?
47. If I Regenerate Thumbnails, would WordPress delete the existing Thumbnails and replace them with ‘new copies’?
48. How to get cropped thumbnail source for custom post type
49. Exclude featured image from attachment loop
50. 2 image size for post
51. adaptive featured images wordpress 4.4 grid
52. Featured Image Not Working when loaded from sub-domain
53. How can I see where in my themes and plugins certain image sizes are used?
54. Generate image for newly added size
55. How to both crop (with tool) and resize thumbnails having only a max width constrain?
56. “Medium” size image displayed instead of “thumbnail” in only one post, other posts are fine
57. wp_get_attachment_image_src match smallest edge
58. How to create resized versions of images added with wp_insert_attachment
59. WordPress returns old thumbnail size after changing media settings
60. Custom image size in the_content loop
61. remove and disable image link in functions.php
62. specify size of post preview image (not post thumbnail)
63. Display featured image file size, extension, filename, type, orientation?
64. media-library: how to insert thumbnails with a fixed width, regardless of landscape/portrait orientation
65. the_post_thumbnail(‘my_image_size’) always outputs full image
66. Server B handling add_image_size() differently than Server A
67. Post thumbnail throwing size limit parameters in
68. Get thumbnail image according to the screen
69. Image with large file size not cropping
70. What can I do if I set a gif as featured image? no thumbnail when i share on facebook
71. images not showing despite using add_theme_support(‘post-thumbnails’);
72. Resizing thumbnails retrospectively
73. Trying to show link “Use as featured image” from Attachment window from t31os script
74. post thumbnail: increase dimension if smaller than… Possible?
75. Images uploaded on frontend display correctly but not in media editor.
76. Generating very small sized thumbnails from featured image
77. Make image full width
78. How risize a thumbnail?
79. Unrestricted height thumbnails
80. custom thumbnail image size not working
81. WordPress not creating “large” thumbnails
82. Is wordpress compressing my images? if so, how to prevent it?
83. Custom caption output for custom image size
84. Display post thumbnail in foreach loop
85. How to attach images that I “insert from url” into the post?
86. the_post_thumbnail(‘medium’) still gives thumbnail-size img
87. Attachment Image using wrong src?
88. Create an instance of add_image_size
89. custom image size not being fetched
90. Thumbnails are hard cropped not matter what
91. Featured image size always cropped bottom
92. Using the_post_thumbnail do not rollback to original image if specified thumbnail does not exist
93. Missing image size
94. Post thumbnail not displaying correct size
95. Making a ‘featured image’ become the image for a full banner (top of page) image in a blog post?
96. wp_get_attachment_image_src() works on index, but not on Archives
97. Featured Image, and Image in post
98. Setting featured image based on related post
99. Trouble Retrieving Thumbnail URL on Front-Page
100. Always generate thumbnail after sideloading image