Hi Tabbatha,

Firstly, I would like to sincerely apologize for the delayed response as we have been experiencing an unusually high number of tickets. I am sorry that it has taken longer than usual to respond to your concern and your patience is highly appreciated.

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I believe that is a SelectBox/MultiSelectBox from your screenshots, not a CheckBox filter, but we can confirm this is a bug on our end.

Our developers have identified the root of this bug, that does not correctly render special characters such as the percentage sign, parentheses, and some other special symbols for filtering in SelectBox/ multiSelectBox filters.

This issue only happens on tables which are "non server side"/non editable.

If you can somehow switch to editable ( server side processing) Tables, on them the bug is not present.

They are working on building a permanent fix for this,

but it is a very difficult bug,  so it will take some time until they test everything to ensure that the new fix does not negatively affect any other plugin functionalities before they add it to the plugin's core.

They will do their best to make it as soon as possible, but i can't promise a realistic ETA on it.

You can certainly follow our changeLog page if you'd like ( it is also available in the plugin dashboard), where we state any changes/new features/bug fixes during updates;

and our newsletter, so you're informed about new features, bug fixes, freebies, etc.

We will make a patch Note about that fix there, when it is finished/added to the plugin core.

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In the meantime, here is a temporary JS fix that you can copy to overwrite the file on your FTP in the plugin files.

( You can either use FTP or your Hosting's File Manager)

The path to overwrite the file should be :

../wp-content/plugins/wpdatatables/assets/js/wpdatatables/wdt.columnFilter.js

and please make sure to disable 'Use minified wpDataTables Javascript' in the main plugin settings/Custom JS and CSS:

This fix only works for "SelectBox" filter type specifically;

for the moment, we don't have a fix yet for MultiSelectBox, sadly.

Until our developers implement a fix to the plugin's core,

you would have to repeat this "overwrite" step each time you update the plugin.

It is working on our testing environment, we tried a lot of different scenarios, so it should work for your installation as well - but we can't guarantee that it will be perfect until you try it to be sure.

Let me know when you apply this fix does it work correctly for you, please.

Or if you need us to do it, you can send us full Access, we need URL for WP-Admin and Admin credentials along with FTP credentials.

And point us to any Table ID which can be tested.

Just if you send us any sensitive data, ensure it is as a PRIVATE reply, for safety.

Thank you.