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* Add observers and track visibility; pause when not visible

* Add changeset

* Skip image texture copying for <img> elements

* Add changeset

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

* Fix 300 ES transformation

* Add changeset

* Add preprocessing for input shaders

* Add changeset