I am sorry, it is 20.10 not 20.04. In Synaptic, under Settings ->
Repositories -> Developer Options I have Pre-released updates (groovy-
proposed) checked so perhaps that is why I have this version.
Here is the output of apt policy libgtk-3-0:
libgtk-3-0:
Installed: 3.24.23-1ubuntu1.1
Candidate: 3.24.23-1ubuntu1.1
Version table:
*** 3.24.23-1ubuntu1.1 100
100 /var/lib/dpkg/status
3.24.23-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
cat /etc/os-release
NAME="Ubuntu"
VERSION="20.10 (Groovy Gorilla)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.10"
VERSION_ID="20.10"
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=groovy
UBUNTU_CODENAME=groovy
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu.
https://bugs.launchpad.net/bugs/1915092
Title:
lib-gtk-3 / lib-gtk-3-dev NOT compatible
Status in gtk+3.0 package in Ubuntu:
Incomplete
Bug description:
I'm using Ubuntu-Mate 20.04 and I am trying to compile California (a calendar
program) which requires libgtk-3-dev. When I try to install libgtk-3-dev I
get: The following packages have unmet dependencies:
libgtk-3-dev : Depends: libgtk-3-0 (= 3.24.23-1ubuntu1) but
3.24.23-1ubuntu1.1 is to be installed
So I look at what versions of libgtk-3-0 are available 3.24.23-1ubuntu1 and
3.24.23-1ubuntu1.1, of which the latter is installed. So I tried to force
install the older version so that it would be compatible with the dev files but
it then tries to uninstall my entire Mate desktop, NOT ACCEPTABLE. Launchpad
says NOT to self compile Gtk-3 because it's already installed in Ubuntu 20.04
but the version installed seems to be borked having not been compatible with
the development packages making it impossible to compile anything that uses
gtk-3.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: libgtk-3-dev (not installed)
Uname: Linux 5.11.0-rc7 x86_64
ApportVersion: 2.20.11-0ubuntu50.5
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Mon Feb 8 16:45:13 2021
InstallationDate: Installed on 2020-08-10 (182 days ago)
InstallationMedia: Ubuntu-MATE 20.04.1 LTS "Focal Fossa" - Release amd64
(20200731)
SourcePackage: gtk+3.0
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1915092/+subscriptions
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