When I create a Word Cloud widget and in other cases, I get the above error. Do you if there is a way for me to install GLX 1.3 in Linux? I have not found good references (googling) elsewhere.
Below is a complete set of messages I get for a session where I open a flow with these components.
qt.qpa.xcb: X server does not support XInput 2 QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-calang' NVD3D10: CPU cyclestats are disabled on client virtualization NVD3D10: CPU cyclestats are disabled on client virtualization libGL error: No matching fbConfigs or visuals found libGL error: failed to load driver: swrast qt.qpa.xcb: QXcbConnection: XCB error: 1 (BadRequest), sequence: 169, resource id: 137, major code: 130 (Unknown), minor code: 47 QCssParser::parseColorValue: Specified color without alpha value but alpha given: 'rgb 0, 0, 0, 100' qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 1045, resource id: 8395506, major code: 40 (TranslateCoords), minor code: 0 QGLXContext: Failed to create dummy context [3601:3601:0714/164449.837683:ERROR:gl_surface_glx_qt.cpp(141)] GLX 1.3 or later is required. [3601:3601:0714/164449.837738:ERROR:gl_ozone_glx_qt.cpp(57)] GLSurfaceGLXQt::InitializeOneOff failed. Segmentation fault