As per bug #575831, Inkscape no longer uses a bold button but a dropdown instead. The dropdown seems to work fine, so marking this as fixed.
** Changed in: inkscape Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Studio Bugs, which is subscribed to inkscape in Ubuntu. Matching subscriptions: Ubuntu Studio Bugs https://bugs.launchpad.net/bugs/1176188 Title: it is not possible to change bold text back to normal in text boxes Status in Inkscape: Fix Released Status in inkscape package in Ubuntu: New Bug description: When making some words in a text box bold it is not possible to change that text snippet back to "normal" text/size. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: inkscape 0.48.4-0.1ubuntu2 ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 Date: Fri May 3 22:20:30 2013 EcryptfsInUse: Yes InstallationDate: Installed on 2013-04-25 (8 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MarkForUpload: True SourcePackage: inkscape UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/inkscape/+bug/1176188/+subscriptions -- Mailing list: https://launchpad.net/~ubuntustudio-bugs Post to : ubuntustudio-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntustudio-bugs More help : https://help.launchpad.net/ListHelp