Danke Werner. I'm travelling without a build machine. Would have been 41 hours instead of 41 minutes.wmayer wrote: ↑Wed Jan 09, 2019 8:51 pm @wandererfan: The crash is caused inside ViewProviderPage::doubleClicked() because the m_mdiView references a null pointer if the view has been closed before. ViewProviderPage::showMDIViewPage() checks for the Visibility and if it's false it returns without recreating the mdi view which is then accessed in ViewProviderPage::doubleClicked().
wf