Topic page sometimes flickers on tablets

[sylque]

The issue is described here:
https://forum.tabletpc.review/t/flickering-pages-new-rendering-issue

There's a video here:
https://www.youtube.com/shorts/e2tmPtBdy78

Not to self: it happens on a "non DiscPage" page.

[sylque]

New video of the issue:
https://github.com/sylque/discpage/assets/42490951/d89482ca-5f39-4a3a-a78a-9f6256753be3

[sylque]

What is strange in the above video is that, from the very beginning (before the flicker problem occurs), the progress bar is not at its usual place:

Instead it should be either:

1. Low resolution devices (phones)

The progress bar is on top of the content (not on the right side) and the content occupies the full width of the screen:

1. High resolution devices (tablets)

The progress bar is replaced by a timeline:

So, in the video, it seems that the layout (CSS) is "high res" while the the renderTimeline (see here) property corresponds to "low res".

[sylque]

I've tried to reproduce this issue on several Android+Chrome and Apple+Safari platforms, without any success.

Tests performed by the tabletpc community (see the link at the top of this topic) seem to show that the issue occurs randomly.