Problem loading / Playing Embed videos - By example in Smashing Magazine (Waterfox Classic )

[decembre]

test link: https://www.smashingmagazine.com/2021/09/reducing-need-pseudo-elements/

Other site with same problem [Connaissance des arts]: Exposition Alice Neel au Centre Pompidou

All videos containers are blank (take the place of a video but invisible). Selector: .video-embed-container .video-embed-container--wrapper

Tested (no change):

• Disable all extensions
• With Different profiles
  • Disable UblockOrign
  • disable userscripts
  • User Agent override
  • Polly

Work with Quantum Waterfox Classic / Win 10

[decembre]

Same problem for Vimeo: https://vimeo.com/fr/watch

Note: embed video from Vimeo work fine ...

[walmar]

Options with Polly extension for me:

• [x] polyfills/Webcomponents-ce.js
  • on Vimeo
  • As I set in July.
  • Videos are playable.
• unofficial version 1.9#mod2022-12-20 mentioned on github more and more unusable - disappearing file listings · Issue #182 · WaterfoxCo/Waterfox-Classic · GitHub
  • [x] polyfills/Webcomponents-Bundle.js
    • on
    • Reducing The Need For Pseudo-Elements — Smashing Magazine
      • Embedded Vimeo videos are playable.
    • Exposition Alice Neel au Centre Pompidou - icône féministe en lutte contre toutes les injustices - Connaissance des Arts
      • Embedded YouTube video is playable.

[decembre]

Magical: All work fine! Just i need to update the rules for Ublock Origin (which blocked Youtube on it...) for smashingmagazine.com.

And as bonus, it seems solve my request too for, when i add Intl.RelativeTimeFormat.js : [Waterfox Classic] No Posted Time for Comments