So, I'm reassigning this bug to qt5webkit, thank you Gianfranco for investigating the issue. That was very obscure!
I'll take care of closing this bug once somebody merges in the new qt5webkit version (which may be for disco+1) ** Package changed: sigil (Ubuntu) => qtwebkit-opensource-src (Ubuntu) ** Changed in: qtwebkit-opensource-src (Ubuntu) Status: New => Incomplete ** Changed in: qtwebkit-opensource-src (Ubuntu) Status: Incomplete => Fix Committed ** Changed in: qtwebkit-opensource-src (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtwebkit-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1755311 Title: "Warning: libpng warning: iCCP: known incorrect sRGB profile" Status in qtwebkit-opensource-src package in Ubuntu: Fix Released Bug description: When sigil is started, it prints the following warning twice to stderr: Warning: libpng warning: iCCP: known incorrect sRGB profile This may be symptomatic of a deeper issue. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: sigil 0.9.9+dfsg-1 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: KDE Date: Tue Mar 13 09:58:34 2018 InstallationDate: Installed on 2018-03-12 (0 days ago) InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180310) SourcePackage: sigil UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtwebkit-opensource-src/+bug/1755311/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp