[XeTeX] Scale=MatchLowercase error in XeTeX

[Tine Wilde]

After installing the new MacTex 2014 with TeXlive 2014 and updating TeXshop to 3.36.2 everything worked just fine, until updating with TeX live utility - then things go wrong. 
The error-message says:

LaTeX error: “kernel/misused-fp”
A floating point with value `4.30999755859375’ was misused.
See the LaTeX3 documentation for further information

I posted the problem to the LinkedIn-TeX users group and they found out that by removing Scale=MatchLowercase it should work - and it did. Only, now I cannot scale my fonts anymore … 

I waited a few days for updates, but until now - apparently -  the bug has not yet been fixed.

Can anyone help?

Many thanks! Tine
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