When I call libreoffice No provider of glClearBufferfv found. Requires one of: Desktop OpenGL 3.0 OpenGL ES 3.0 Does anyone know what packages are necessary in that case.I don't know. Maybe a bug. glxinfo | grep OpenGL You can turn off OpenGL rendering apparently by editing the file 'registrymodifications.xcu' in your user profile folder. https://wiki.documentfoundation.org/OpenGL
After another upgrade I ran into the same problem again. And it will also hit the stable-release opengl is enabled by default beginning with a certain version.
I reviewed your email and disabled opengl. Thank you for this hint, it's very valuable for me.
Best regards, Flo