|Google Chrome||Microsoft Edge||Windows 10 Home|
|version 98.0.4758.82||version 98.0.1108.43||version 21H1|
If you scroll down the page and hover over any link, the side menu disappears when you return to the top of the page (Figures 1 and 3). The disappearance is also observed in incognito mode (fig. 2).
The phenomenon is detected by scrolling down to the words "Hire a developer" (you can go lower, but not higher). The menu does not change its distorted state until the pointer is moved, but if it was on a
left-sidebar item, the state will change when you leave it. The menu items do not disappear smoothly, but in whole lines (first the word
Home disappears entirely, then
The change can be observed even without authorisation, but it requires removing the top bar (fig. 4) (via developer's tools or by using a standard cross). The selected menu item disappears one by one: first the text and then the background (fig. 5).
Presumably, the minimum page height should be 4814px (matching page). But this is not only true for certain question pages, for example the general question list (50 questions per page) (Fig. 6) or the synonyms page (Fig. 7) are also subject to this change.
It is found that there is a minimum page scrolling speed. If the speed is insufficient, the menu will remain visible. It's also possible to get to a state where you don't have to remove the cursor from the link (fig. 8).
|Figure 1. Side menu disappears||Fig. 2. The problem persists even in incognito mode||Fig. 3. It is even possible to hover over a link in the same block||Fig. 4. Top panel of the unauthorised user|
|Figure 5. Intermediate state of disappearance||Fig.6. General question list||Fig.7. Synonyms page||Fig. 8. Interesting result|
Laurel was able to repeat the phenomenon on Skeptics Meta using Google Chrome on Mac: