Jquery Migrate Helper Notices

[pairfumlondon]

Dear WP Support Community,

Following the upgrade to WP 5.6, we have installed the Enable jQuery Migrate Helper plugin:
​https://wordpress.org/plugins/enable-jquery-migrate-helper/

Unfortunately, this plugin shows the following notices :
12/12/2020 15:58 jQuery.isFunction() is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/iris.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:58 jQuery.isArray is deprecated; use Array.isArray WordPress core ​https://www.pairfum.com/wp-admin/js/color-picker.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:58 jQuery.trim is deprecated; use String.prototype.trim WordPress core ​https://www.pairfum.com/wp-admin/js/customize-controls.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:58 jQuery.isFunction() is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/customize-controls.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.isFunction() is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/customize-widgets.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.fn.bind() is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/customize-controls.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.isFunction() is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/color-picker.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.isArray is deprecated; use Array.isArray WordPress core ​https://www.pairfum.com/wp-admin/js/iris.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.type is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/iris.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.fn.click() event shorthand is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/color-picker.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.fn.change() event shorthand is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/color-picker.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 15:59 jQuery.fn.mousedown() event shorthand is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/iris.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox
12/12/2020 16:48 jQuery.fn.click() event shorthand is deprecated WordPress core ​https://www.pairfum.com/wp-admin/js/customize-nav-menus.min.js ​https://www.pairfum.com/wp-admin/customize.php?return=%2Fwp-admin%2Fadmin.php%3Fpage%3Dlitespeed-toolbox

Is this something we should we concerned about?
Will these be addressed in a future update?

Many thanks for the update.

Kind regards,

Pairfum London

[Clorith]

Hi there, and welcome to the WordPress trac!

This is a known thing, they are more recent deprecations introduced in jQuery which WordPress hasn't updated yet. These should not cause you any issues at this time, and we have a ticket for tracking the work behind upgrading core it self over at #51812.

Since there's another ticket for this, I'm marking this one as a duplicate.

[pairfumlondon]

Dear @Clorith

Many thanks for the update.

Great to hear that this is being looked into.

We find that we currently have to downgrade to JQuery 1.12.4 or our website ( ​https://www.pairfum.com ) becomes really slow and a lot of plugins won't work, e.g. PayPal payment gateway.

Kind regards,

Pairfum London