I had libgegl-0.4-0 from Otto's PPA that was claiming to be newer than the version in Disco. I used Synaptic to force downgrade to the Disco version, now everything works fine. It could be this or you have an old version of libgegl in /usr/local/bin from another install.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gimp in Ubuntu. https://bugs.launchpad.net/bugs/1820088 Title: GIMP doesn't start in disco dev To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1820088/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs