They're able to opem more windows because they use nvidia-glx-new. Something that might have been helping you before was --indirect- rendering which completely broken on nvidia-glx-new and caused problems otherwise so we stopped using it by default.
-- [nvidia-glx] Window content is black after opening 5/6 windows when using compiz https://bugs.launchpad.net/bugs/96473 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
