jchan

This adds Javascript search widgets to any droplists on the website. It allows users to search the contents of the list, and filter out items that do not match. Useful for longs or unsorted lists.
This has been tested on the following browsers: Safari, Firefox 2, Firefox 3, and IE6. There were problems with the appearance of the search textbox on certain browsers in the older version. That should be fixed now.
See http://joshuachan.ca/home/droplist-filter for demonstration.
<h3>Arbitrary section</h3>
Copyright 2008 Joshua Chan
This plugin acts as a wrapper for the Droplist Filter Javascript class, 
which is included with this package in the “droplistFilter” subdirectory. It 
is possible to use that independently from WordPress. See the documentation in 
the subdirectory for more information.
Any graphics images included with this package are for example purposes only 
and are copyright their respective owners.

Droplist Filter

This adds Javascript search widgets to any droplists on the website.

Ramoonus

This plugin updates <a href="http://jquery.com/" rel="nofollow ugc">jQuery</a> to the latest official stable version, which is most likely not available within the latest stable release of WordPress. 
jQuery Migrate is also included for backwards compatibility.
No files are replaced, therefore deactivation of this plugin returns your site to it`s original state.
Since WordPress 5.6 includes an up-to-date version of jQuery 3, upgrading shouldn’t`t be necessary in most cases.
Warning
If you are not familiar with beta testing, bugfixing, javascript or running bleeding edge software it`s not recommended. 
I will not provide help on JavaScript and jQuery, only on plugin related issues (PHP)!
Reporting problems
Please post bug reports and request for help on <a href="https://wordpress.org/support/plugin/jquery-updater" rel="ugc">WordPress.org Support Forums</a>.
If you run into any bugs, turning this plugin off will fully deactivate everything.
Work in Progress
<ul>
<li>Options screen to enable/disable</li>
<li>Option to choose a specific jQuery version</li>
<li>Automatic cache flushing</li>
</ul>
For more information on the development visit the plugins <a href="https://github.com/Ramoonus/jQuery-Updater/issues" rel="nofollow ugc">GitHub</a>

jQuery Updater

Simple plugin

This plugin updates jQuery to the latest stable version on your website.

Droplist Filter vs jQuery Updater