I'm experiencing this problem too, though I installed Builder from GNOME Software and didn't use the "--install-recommends" or "--install- suggests" options.
Ubuntu 17.10 GNOME Builder 3.26.1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1730777 Title: not displayed C++ project creation option To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-builder/+bug/1730777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs