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I work on Linux OpenSuse Leap 15.6 with Mathematica Apps V12 and V14.2 installed on separate partitions. Scrolling of Mathematica Notebooks in V12 and V14 behave differently. Scrolling in V12 is smooth and quick: The slider follows the mouse in both directions without delay. However, In V14, the slider moves jerkily and makes at each notebook cell a brief delay,thus causing delays during scrolling. The delays increase with increasing notebook's lengths.

How can I achieve smooth scrolling even in MM14?

Obviously, I can scroll MM-V14-notebooks smoothly if I work on the OpenSuse Leap 15 platform with the implemented GNOME-OS instead with the likewise implemented KDE-Plasma. Thus, the jerky scrolling behaviour is obviously caused by KDE.

Here is the KDE-Data of my Leap V15.6-implementation:

The KDE-Plasma-version: 5.27.11,
KDE-Framework version: 5.115.0,
Qt-version: 5.12.12,
Kernel-version: 6.4D-150600.23.42-default (64 bit)

Graphic platform: X11

Perhaps somebody knows the deeper reason for this issue between MM-V14.2 and KDE.

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  • $\begingroup$ I've seen this on help pages notebooks. Try this: First time you open the notebook, simply drag the slider all the way down to bottom of notebook. This will cause the issue you have. Now drag the slider back to the top and start again sliding down. Now it should be smooth all the time. i.e. you need to do this first initial pass over all content first, to get smooth scrolling to work. $\endgroup$ Commented Mar 25 at 23:29
  • $\begingroup$ I have tried your suggestion to move the slider down and up immediately after opening the nb. But it doesn't yield smooth sliding, even after repeating the suggested "initialization". $\endgroup$ Commented Mar 26 at 22:03
  • $\begingroup$ Did you find a solution? For me the difference also appears between Mathematica v 14 and v14.2 on the same machine with same settings and setup. $\endgroup$ Commented Jul 28 at 21:28

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