Hello, I can confirm this issue.
Since I upgraded my sid install today, pcbnew fails to start with those kind of messages : ../src/common/object.cpp(251): assert "classTable->Get(m_className) == NULL" failed in Register(): Class "wxCommandEvent" already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() multiple times or linked some object file twice)? ../src/common/object.cpp(251): assert "classTable->Get(m_className) == NULL" failed in Register(): Class "wxNotifyEvent" already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() multiple times or linked some object file twice)? ../src/common/object.cpp(251): assert "classTable->Get(m_className) == NULL" failed in Register(): Class "wxScrollEvent" already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() multiple times or linked some object file twice)? ../src/common/object.cpp(251): assert "classTable->Get(m_className) == NULL" failed in Register(): Class "wxScrollWinEvent" already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() multiple times or linked some object file twice)? ..... I reproduced this issue on 2 different machines (both updated to latest sid today). It seems to be realted to latest version of python-wxgtk3.0. When I downgrade this package to 3.0.2.0+dfsg-6 (from buster) pcbnew starts working again. -- Aurel