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A question stemming from question Ubuntu 18.04 slow gnome after 2019 update: virus?: Is it possible to downgrade gnome-shell? I am advised to downgrade in Ubuntu 18.04 from gnome-shell version 3.28.3 (April 25 2019) to 3.28.1. Is there a safe recipe for this?

Kulfy
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2 Answers2

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The version string for gnome-shell 3.28.1 is 3.28.1-0ubuntu2 which is still available in repository/pool. To downgrade run,

sudo apt install gnome-shell-common=3.28.1-0ubuntu2 gnome-shell=3.28.1-0ubuntu2

These won't be automatically upgraded unless done explicitly.

Kulfy
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One should be careful that no packages are removed. The answer posted by Kulfy does not include gnome-shell-extension-prefs, so it ends up removing that as well as gnome-tweaks. The proper command in Ubuntu 20.04 is:

sudo apt install gnome-shell=3.36.1-5ubuntu1 gnome-shell-common=3.36.1-5ubuntu1 gnome-shell-extension-prefs=3.36.1-5ubuntu1
Nmath
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