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Why did V 12.1 Change all the notebook sizes and fonts?

David J M Park Jr
Posted 5 years ago
POSTED BY: David J M Park Jr
4 Replies
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POSTED BY: David J M Park Jr

Not sure why 12.0 won't open notebooks after you installed 12.1. During pre-release testing of 12.1, I was able to open notebooks in either one (but of course getting the pop-up cautions if I tried to open in 12.0 a notebook created in 12.1).

Can you open 12.0 and create a new notebook there? If so, then save it, restart 12.0, and open that same notebook?

One suggestion of remotely possible use: do you have set the preference in both to use version-specific preferences? (Not sure if this would make any difference, just trying to think of what could be wrong.)
POSTED BY: Murray Eisenberg

I can confirm the change for Windows appearance in Mathematica 12.1 with, for example, your PresentationsPalette and Presentations stylesheet. Their windows are too large, but reducing their magnification makes the font size too small.

That is true, at least, for Windows running as a virtual machine (in Parallels Desktop) on my 27" iMac. But I don't believe that using the virtual machine makes any difference here: Windows is using the native resolution of my Mac.

Usually I'm running Mathematica 12.1 directly on the iMac, and there the palette sizes and stylesheets seem OK.
POSTED BY: Murray Eisenberg

I believe Mathematica 12.1 on windows now supports display with high dpi's. https://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn121.html

Perhaps that causing your troubles. I had some issues running 12 and 12.1 so I removed the old version. It's weird that 12 does not open your notebooks. Perhaps log a call with support?
POSTED BY: l van Veen
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