Video block with local video file not rendering HTML

Hi, I have this issue with Kirby v4.6:

I am using the blocks field, but if I choose a “video” block, it is the only one that doesn’t render its content in the template when I use a local video file. Video URLs work just fine.

My blueprint:

columns:
  - width: 2/3
    fields:
      blocks:
        type: blocks

Template:

<div class="story text">
    <?= $page->blocks()->toBlocks() ?>
</div>

I tried also this way:

<?php foreach ($page->blocks()->toBlocks() as $block): ?>
    <div id="<?= $block->id() ?>" class="block block-type-<?= $block->type() ?>">
      <?= $block ?>
    </div>
<?php endforeach ?>

In that case the DIV is there of course, but the block content is missing.

I tried both local MP4 and MOV files.