Support » Fixing WordPress » WP 5.5 — javascript update functions not working

  • Resolved Abigailm

    (@abigailm)


    After upgrading to WP 5.5 – I am having difficulty with some (but not all) update functions for plugins.

    I cannot update plugins from the Installed Plugins table in the admin dashboard with the “update now” link – or use the “Install Update Now” button in “view details” popup when invoked from Installed Plugins Table.

    This looks like a javascript problem — from the console, I see errors reported in wp-auth-check.min.js
    updates.min.js

    I also have a similar problem if I try to initiate a theme update from the Appearance > Themes interface, but not when using the table from the main updates interface.

    • This topic was modified 2 months, 2 weeks ago by Abigailm.
Viewing 4 replies - 1 through 4 (of 4 total)
  • Moderator James Huff

    (@macmanx)

    Volunteer Moderator

    Try manually resetting your plugins (no Dashboard access required). If that resolves the issue, reactivate each one individually until you find the cause.

    If that does not resolve the issue, access your server via SFTP or FTP, or a file manager in your hosting account’s control panel (consult your hosting provider’s documentation for specifics on these), navigate to /wp-content/themes/ and rename the directory of your currently active theme. This will force the default theme to activate and hopefully rule-out a theme-specific issue (theme functions can interfere like plugins).

    If that doesn’t work, try downloading WordPress again, access your server via SFTP or FTP, or a file manager in your hosting account’s control panel (consult your hosting provider’s documentation for specifics on these), and delete then replace your copies of everything on the server except the wp-config.php file and the /wp-content/ directory with fresh copies from the download. This will effectively replace all of your core files without damaging your content and settings.

    Some uploaders tend to be unreliable when overwriting files, so don’t forget to delete the original files before replacing them.

    • This reply was modified 2 months, 2 weeks ago by James Huff.

    Install this Plugin and see if it helps.

    https://wordpress.org/plugins/enable-jquery-migrate-helper/
    Enable jQuery Migrate Helper

    Also make sure to install a Backup Plugin if you haven’t already.

    Thanks @website-rob for the plugin suggestion!

    Enable jQuery Migrate Helper worked great to help me identify the plugin that was causing the jQuery issue after the WordPress 5.5 update. After disabling the problem plugin, WordPresss functionality in the Dashboard returned to normal.

    Much appreciated!

    Abigailm

    (@abigailm)

    Just a quick note — the problem I reported was tied to my theme, and the theme author pushed out a hotfix — so as soon as I upgraded and cleared all caches, the problem was resolved.

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