I'm attaching the trace and the command line output: INFO: mypaint: Installation layout: conventional POSIX-like structure with prefix '/usr' INFO: gui.main: No locale setting found, using system locale INFO: lib.i18n: POSIX: LANG='pt_BR.UTF-8' INFO: lib.i18n: POSIX: LANGUAGE='pt_BR:pt:en' INFO: lib.i18n: Value of LANGUAGE after cleanup: 'pt_BR:pt:en:C' INFO: gui.compatibility: Setting mode to 2.x (standard) INFO: gui.compatibility: Setting default layer type to Pigment INFO: gui.device: New device 'Wayland Pointer' (GDK_SOURCE_MOUSE, axes:2, class=GdkWaylandDevice, vendor=None, product=None) INFO: gui.document: Initialized background from '/usr/share/mypaint/backgrounds/mrmamurk/mamurk_e_1.png' WARNING: gui.keyboard: Ignoring keybinding for '<Actions>/BrushModifierActions/BlendModeMenu' INFO: gui.brushmanager: Switching default pigment setting to On INFO: lib.document: load_ora: '/home/dsilva/.local/share/mypaint/scratchpads/autosave.ora' INFO: lib.document: 0.145s load_ora total INFO: gui.filehandling: Loaded scratchpad from '/home/dsilva/.local/share/mypaint/scratchpads/autosave.ora' INFO: gui.compatibility: Setting default layer type to Pigment
(mypaint:16241): Gdk-WARNING **: 22:09:13.575: Window 0x31a01a0 is already mapped at the time of grabbing. gdk_seat_grab() should be used to simultanously grab input and show this popup. You may find oddities ahead. ** Attachment added: "MyPaint trace log" https://bugs.launchpad.net/ubuntu/+source/mypaint/+bug/1947294/+attachment/5533007/+files/mypaint-trace.log ** Description changed: This is reproducible on both hirsute and impish. Ubuntu Wayland session. 1. Open MyPaint - 2. Try to select a different brush, for example + 2. Try to select a different brush or color The application becomes unresponsive. + + The menubar and the buttons below it do not seem to cause any problem. + Only the fancy widgets at the bottom of the window lead to a crash. ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: mypaint 2.0.1-2 ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14 Uname: Linux 5.13.0-19-generic x86_64 ApportVersion: 2.20.11-0ubuntu70 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Thu Oct 14 22:00:52 2021 InstallationDate: Installed on 2021-10-10 (4 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) SourcePackage: mypaint UpgradeStatus: Upgraded to impish on 2021-10-15 (0 days ago) -- You received this bug notification because you are a member of Ubuntu Studio Bugs, which is subscribed to mypaint in Ubuntu. Matching subscriptions: Ubuntu Studio Bugs https://bugs.launchpad.net/bugs/1947294 Title: MyPaint crashes/freezes after interacting with its interface Status in mypaint package in Ubuntu: New Bug description: This is reproducible on both hirsute and impish. Ubuntu Wayland session. 1. Open MyPaint 2. Try to select a different brush or color The application becomes unresponsive. The menubar and the buttons below it do not seem to cause any problem. Only the fancy widgets at the bottom of the window lead to a crash. ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: mypaint 2.0.1-2 ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14 Uname: Linux 5.13.0-19-generic x86_64 ApportVersion: 2.20.11-0ubuntu70 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Thu Oct 14 22:00:52 2021 InstallationDate: Installed on 2021-10-10 (4 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) SourcePackage: mypaint UpgradeStatus: Upgraded to impish on 2021-10-15 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mypaint/+bug/1947294/+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