RSS FEED Using button--icon--* CSS classes doesn't shown icons

[XF2 Tech Robot]

The following codes show a button with an icon in XF 2.2 but not in XF 2.3

HTML:

<xf:button href="https://..." class="button--link button--icon button--icon--hide">Test</xf:button>

HTML:

<a class="button--link button--icon button--icon--hide button">
    <span class="button-text">
        Test
    </span>
</a>

The following code shows the icon in both versions, but switching the icon on click does not work in XF 2.3 although the CSS class is switched just like in XF 2.2
HTML:

...

Read more

Continue reading...