Hi, the Debian 3dprinter team is preparing a release of the new CuraEngine and the rest of the Cura packages: https://anonscm.debian.org/cgit/3dprinter/packages/cura-engine.git/ https://anonscm.debian.org/cgit/3dprinter/packages/cura.git/
We're still working on 2.5, but 2.7 or 3.0 will be released shortly after the packages are in Debian.
