Ghost/ghost/admin/app/components/modal-whats-new.hbs

<header class="modal-header gh-wn-header" data-test-modal="whats-new">
    <img src="assets/img/whats-new-header-bg.svg" class="background-img" />
    <span>{{svg-jar "gift" class="w5 h5 fill-white"}}</span>
    <h2>What's new?</h2>
</header>

<button class="close gh-wn-close" href title="Close" {{on "click" this.closeModal}}>
    {{svg-jar "close"}}
</button>

<div class="modal-body gh-wn-content">
    {{#each this.whatsNew.entries as |entry|}}
        <div class="gh-wn-entry">
            <h4>{{moment-format entry.published_at "DD MMMM YYYY"}}</h4>
            <h1 class="f1 fw6 ma0 pa0 mb3">{{entry.title}}</h1>
            {{#if entry.feature_image}}
                <img class="mb5" src={{entry.feature_image}}>
            {{/if}}
            {{#if entry.custom_excerpt}}
                <p>{{entry.custom_excerpt}}</p>
                <a href={{entry.url}} class="dib fw6 mb6" target="_blank" rel="noopener noreferrer">Read the full post →</a>
            {{else}}
                {{{entry.html}}}
            {{/if}}
        </div>
    {{/each}}
</div>
<div class="modal-footer gh-wn-footer">
    <a href={{this.whatsNew.changelogUrl}} target="_blank" rel="noopener noreferrer">
        See all past updates
    </a>
</div>