Sorry, I could not reproduce this bug with the 13.04 daily build on a live USB key.
It says : " 'Replace color' working, please wait..." but does not crash -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to inkscape in Ubuntu. https://bugs.launchpad.net/bugs/1157611 Title: replace colour extension makes inkscape crash Status in “inkscape” package in Ubuntu: New Bug description: The following procedure leads to a crash: 1) load file ELE.svg (converted by inkscape from a pdf file produced by Autodesk's free DWG file viewer) 2) try to replace the color "ffff7fff" (light yellow) by means of the "replace colour" extension 3) inkscape crashes with message "Inkscape encountered an internal error and will close now" "replace colour" functions normally for files created from scratch in inkscape. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: inkscape 0.48.3.1-1ubuntu6.1 ProcVersionSignature: Ubuntu 3.5.0-26.42-generic 3.5.7.6 Uname: Linux 3.5.0-26-generic x86_64 ApportVersion: 2.6.1-0ubuntu10 Architecture: amd64 Date: Wed Mar 20 09:37:19 2013 InstallationDate: Installed on 2013-03-07 (12 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: inkscape UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/inkscape/+bug/1157611/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp