You were absolutely right, after i removed the extensions, the desktop became snappy and responsive.
** Attachment added: "output of lspci -k" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1877434/+attachment/5368199/+files/lspcik.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1877434 Title: Slow Gnome 3.36 overall experience Status in gnome-shell package in Ubuntu: Incomplete Bug description: After upgrading from ubuntu 19.10 to 20.04 the boot time was very slow and the overall feel of the desktop wasn't as snappy as it was in previous releases. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.1-5ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30 Uname: Linux 5.4.0-29-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu May 7 21:29:12 2020 DisplayManager: gdm3 RelatedPackageVersions: mutter-common 3.36.1-3ubuntu3 SourcePackage: gnome-shell UpgradeStatus: Upgraded to focal on 2020-05-07 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1877434/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp