Sidebars are no longer working

uploading a fresh version of widgets.php

which widgets.php?

I guess you updated wp-admin/includes/widgets.php?

you actually need to update wp-includes/widgets.php where dynamic_sidebar function defined in.

Related Posts:

  1. What is the difference with get_sidebar and dynamic_sidebar?
  2. Best way of making multiple sidebars
  3. Getting post-thumbnails from another WP site
  4. dynamic_sidebar not rendering sidebar
  5. Add featured image to sidebar [closed]
  6. Sidebar Generator? :)
  7. How to exclude parent category but show child categories?
  8. Specific and Different Ads for each Post?
  9. Why and how is twentythirteen adding a margin-top to my footer?
  10. Adding content to sidebars
  11. Twenty Ten child theme has post on an inner page. Cant get that page to use my desired template
  12. Template part vs Sidebar (differences)
  13. Change sidebar headers from H1?
  14. change sidebar or just widgets for 2 specific post type single posts
  15. How to delete wordpress menu
  16. CSS Twentyeleven / Sidebar has to be changed IN the CSS Stylesheet. Sidebar on the left side
  17. Why does the TwentyTen Theme sidebar have a class called ‘xoxo’?
  18. Dynamic Sidebar for subcategory of a category
  19. How to add Sidebar and Full width option in post editor
  20. how to exclude posts on current page from recent posts sidebar widget
  21. How to add a class when there’s no sidebar?
  22. Creating a different side bar for single posts than for main page.
  23. Sidebar loop – Thematic Framework
  24. How to have dynamic sidebar content per post
  25. How to list custom post types in a secondary sidebar?
  26. From what hook on is it possible to conditionally add actions?
  27. Post thumbnails in sidebar & footer?
  28. Sidebar on the wrong side of the page
  29. Include a sidebar on the static front page of twenty thirteen
  30. How to increase maximum number of sidebars support?
  31. author list not linking to correct page
  32. sidebar parameters (before_widget, before_title) not Working
  33. Sidebar widget not displaying after simple code update.
  34. Dynamic sidebar rendered in another place than i would like
  35. Check if sidebar is rendered?
  36. Not Getting Sidebar
  37. Where is dynamic_sidebar content defined?
  38. Why does my sidebar get dragged down on this specific uid?
  39. Common side bar for multiple websites
  40. Dynamic Sidebar Conditional [duplicate]
  41. Cannot retrieve author in sidebar of single.php
  42. Extra copy of sidebar appears in footer
  43. get_sidebar() will not work in footer.php
  44. Gutenberg get wp registered sidebars
  45. How do I show breadcrumbs when sidebar is not applied?
  46. Sidebar only shows up on blog page
  47. Create an array of “read next” posts using a dynamic offset
  48. Find sidebar.php in WP 3.9.2
  49. Sidebar not appearing on page template with custom posts
  50. get_posts() in secondary sidebar messes up content in primary sidebar
  51. Get specific sidebars $wp_registered_sidebars [closed]
  52. How to use full length of the upper part of the content and below of it is a content with a sidebar?
  53. Function to add class to element?
  54. Is it ok to chop index.php and include files?
  55. WordPress – Allow dynamic text to be added into a sidebar upon page creation
  56. Change twentytwelve sidebar responsive relocation?
  57. Select a Sidebar from Page Creation
  58. Why is my custom sidebar always open on the widgets screen in Admin?
  59. is_user_logged_in function in a sidebar not working
  60. Content not showing up when using custom template + sidebar
  61. How to make sidebar float right and site content left
  62. How do I set is_active_sidebar?
  63. The WP home page corrupted after switching to new theme
  64. How do I fully rid of the 1px wide sidebar border? [closed]
  65. how do i get my sidebar above content on nanomag theme
  66. Customizer doesn’t recognise sidebar
  67. Change Sidebar for rewritten page
  68. sidebar / widget wont show
  69. Sidebar widgets are looping out of the sidebar wrapper
  70. Change page layout
  71. Need help with theme Business (Modern Themes): sidebar issue
  72. Children Pages Displaying Only Intermittenty
  73. I’d like to add an fa icon before a link in my ‘recent post’ side bar [closed]
  74. Extra sidebar in Twenty fifteen
  75. Echo there are no posts wp_get_archives
  76. How to change templates based on URL
  77. More than one dynamic sidebar
  78. How to add banners in sidebar of my theme [duplicate]
  79. Sidebar does not display on blog page, but fine with static pages
  80. is_home() and is_front_page() not working in sidebar
  81. Placing video content into a sidebar
  82. different contents and same sidebar approach?
  83. Sidebar not visible after changing to new domain
  84. How do I store get_sidebar in a varaible? [duplicate]
  85. Resizing Picture
  86. Sidebar not displaying on custom-page.php
  87. Searchresult sidebar change
  88. How to hide a Sidebar from other admins?
  89. How to create another sidebar to be shown on another page?
  90. Differentiate Between Parent & Child Categories
  91. How to change font in title of sidebar widget [closed]
  92. How do I load my site without the side bars? This is for an app
  93. Persistent sidebar.php [closed]
  94. How do I move the sidebar more to the right in TwentySeventeen?
  95. Remove Sidebar for Pages on Canvas Wootheme [closed]
  96. Sidebar not appearing
  97. Woo commerce Single Product Sidebar [closed]
  98. How to hide sub categories in sidebar [closed]
  99. sidebar choice not saved for pages (but saved ok for posts/custom posts) [closed]
  100. Disappearing Widget Text area