I saw that KDevelop-3.0.1 was released and not yet added to portage, so here it is, and hopefully it works. It is the ebuild for KDevelop-3.0.0 edited for KDevelop-3.0.1. It compiled and worked fine on my system (P4 1.6ghz, 512MB ram). Reproducible: Always Steps to Reproduce: 1. 2. 3.
Created attachment 25776 [details] Ebuild for KDevelop-3.0.1
in portage - thanks for the report.