Shortcodes in excerpts not working

I am trying to use shortcodes in an excerpt. I notice that in the theme(not one of wpmudev) I am using the function add_filter('the_excerpt', 'do_shortcode'); is in there, but shortcodes are still not working. Are you aware of any reason it still might not work?
I have eclipse set up and I was going to step through the code to see if I could figure out why it is not working. Can someone suggest a good place to toggle a breakpoint? Or maybe a function to take a look at?
Thanks.

Adam Czajczyk
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Hello Charlotte,

I hope you're well today and thank you for your question!

By default shorcodes are not executed in excerpts. The

add_filter('the_excerpt', 'do_shortcode');

function should help here but very often themes do not relay on "the_excerpt()" template function to show excerpts on your site. Sometimes custom code relies on native "get_the_excerpt()" function and its output is then processed but also often completely different solutions are used.

That said, I'd try first replacing

add_filter('the_excerpt', 'do_shortcode');

in your theme's function.php file with following lines:
```
add_filter( 'the_excerpt', 'shortcode_unautop');
add_filter( 'the_excerpt', 'do_shortcode');
add_filter( 'get_the_excerpt', 'do_shortcode', 5 );
```
Let me know please if it helped, please!

Best regards,
Adam