Cura 2.7.0 is in updates testing for Fedora 27:
https://bodhi.fedoraproject.org/updates/FEDORA-2017-849317276e
(That update includes a list of changes.)
Also available in Copr for F26 and F25:
https://copr.fedorainfracloud.org/coprs/churchyard/cura-modern/
Please go ahead and test it.
--
Miro Hrončok
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Phone: +420777974800
IRC: mhroncok