I'm going to tri it. But really hard to build with so many bugs !!!!
I have this article built with T4
https://www.emausoriente.org/emaus-oriente/193-dia-del-evangelio-emaus-2023
this is the code
<section t4-group="Block" t4-bid="core_block_feature-intro_flat35" t4-type="default" id="iwa1" class="t4b-section t4b-featured-intro t4b-fd__flat-35 t4b-justify-content-end t4b-light-theme">
<div id="inwm" class="container">
<div type="t4.row" t4-bid="core_element_grid_row" id="is1l" class="row justify-content-item">
<div t4-bid="core_element_basic_video" t4-group="Element" t4-type="default" id="ikck4" class="t4b-video-element embed-responsive embed-responsive-16by9">
<iframe allowfullscreen="allowfullscreen" src="https://www.youtube.com/embed/svg%3E?" class="embed-responsive-item"></iframe>
</div>
<div id="icsg" class="col-12 col-lg-6 t4b-fd-content">
<div type="t4.row" t4-bid="core_element_grid_row" id="iakk" class="row justify-content-item">
<div id="iafl" class="col-12 col-lg-8">
<div t4-container="" class="t4b-section__heading">
<h3 id="iy0kt" class="t4b-section__title">Dia del Evangelio Emaús 2023
</h3>
<p id="i2hg8" class="t4b-section__desc">
<span id="il8au">"Ese mismo día, dos de los discípulos iban a un pequeño pueblo llamado Emaús..." Abril 23 nos vemos en Abejorral</span>.
</p>
</div>
<div t4-container="" class="t4b-fd-content__box">
</div>
</div>
</div>
</div>
</div>
</div>
</section>
My video plays fine in mode ,
Extralarge large screen
Large screen
Medium
But for other modes the video disappears,
the vide disappears at design time.
this bug is similar to this https://www.paradigman.net/index.php/clientes/video/36-t4-builder-errors but in this video happens for large screen and Extralarge screen