I have upgraded to mutter 3.36.2-1ubuntu1~20.04.1 this morning and rebooted.
I can confirm this new version fixes the problem for me.
Thanks!

Le mar. 12 mai 2020 à 22:36, Brian Murray <email address hidden> a écrit :

> Hello Guillaume, or anyone else affected,
>
> Accepted mutter into focal-proposed. The package will build now and be
> available at
> https://launchpad.net/ubuntu/+source/mutter/3.36.2-1ubuntu1~20.04.1 in a
> few hours, and then in the -proposed repository.
>
> Please help us by testing this new package.  See
> https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
> to enable and use -proposed.  Your feedback will aid us getting this
> update out to other Ubuntu users.
>
> If this package fixes the bug for you, please add a comment to this bug,
> mentioning the version of the package you tested, what testing has been
> performed on the package and change the tag from verification-needed-
> focal to verification-done-focal. If it does not fix the bug for you,
> please add a comment stating that, and change the tag to verification-
> failed-focal. In either case, without details of your testing we will
> not be able to proceed.
>
> Further information regarding the verification process can be found at
> https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
> advance for helping!
>
> N.B. The updated package will be released to -updates after the bug(s)
> fixed by this package have been verified and the package has been in
> -proposed for a minimum of 7 days.
>
> ** Tags added: verification-needed verification-needed-focal
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1873942
>
> Title:
>   [wayland] gnome-screenshot takes a screenshot of the wrong screen
>
> Status in GNOME Shell:
>   Unknown
> Status in mutter package in Ubuntu:
>   Fix Released
> Status in mutter source package in Focal:
>   Fix Committed
> Status in mutter source package in Groovy:
>   Fix Released
>
> Bug description:
>   I have a dual monitor setup, with the external monitor defined as the
> "primary" one (and the laptop one secondary).
>   When using the Shift +  PrtScr shortcut and choosing an area on the
> external monitor, the screenshot saved in ~/Pictures shows this area but on
> the _laptop_ screen.
>   (Choosing an area on the laptop screen works OK.)
>
>   I use the vanilla Gnome session (with Wayland), installed with apt.
>
>   [ Impact ]
>
>   gnome-screenshot takes a screenshot of the wrong screen
>
>   [ Test case ]
>
>   In dual monitor setup, use Shift+PrtScr to take a screenshot in an
>   area in the external monitor.
>
>   The saved area should respect the one you selected
>
>   [ Regression potential ]
>
>   Screenshot or screencasting may have not espected behavior
>
>
>   ProblemType: BugDistroRelease: Ubuntu 20.04
>   Package: gnome-screenshot 3.36.0-1ubuntu1
>   ProcVersionSignature: Ubuntu 5.4.0-25.29-generic 5.4.30
>   Uname: Linux 5.4.0-25-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu27
>   Architecture: amd64
>   CasperMD5CheckResult: skip
>   CurrentDesktop: GNOME
>   Date: Mon Apr 20 20:58:46 2020
>   InstallationDate: Installed on 2020-04-11 (9 days ago)
>   InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200409)
>   ProcEnviron:
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=fr_FR.UTF-8
>    SHELL=/bin/bashSourcePackage: gnome-screenshot
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   ---
>   ProblemType: Bug
>   ApportVersion: 2.20.11-0ubuntu27
>   Architecture: amd64
>   BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log'
>   CasperMD5CheckResult: skip
>   CompositorRunning: None
>   CurrentDesktop: GNOME
>   DistUpgraded: Fresh install
>   DistroCodename: focalDistroRelease: Ubuntu 20.04
>   DistroVariant: ubuntu
>   DkmsStatus:
>    acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
>    acpi-call, 1.1.0, 5.4.0-24-generic, x86_64: installed
>    acpi-call, 1.1.0, 5.4.0-25-generic, x86_64: installed
>   GraphicsCard:
>    Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA
> controller])
>      Subsystem: ASUSTeK Computer Inc. HD Graphics 620 [1043:16e0]
>   InstallationDate: Installed on 2020-04-11 (9 days ago)
>   InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200409)
>   Lsusb:
>    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>    Bus 001 Device 004: ID 8087:0a2b Intel Corp.
>    Bus 001 Device 003: ID 0bda:58d2 Realtek Semiconductor Corp. USB2.0 HD
> UVC WebCam
>    Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   MachineType: ASUSTeK COMPUTER INC. UX410UAK
>   Package: wayland (not installed)
>   ProcEnviron:
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=fr_FR.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-25-generic
> root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
>   ProcVersionSignature: Ubuntu 5.4.0-25.29-generic 5.4.30
>   Tags:  focal wayland-session ubuntu
>   Uname: Linux 5.4.0-25-generic x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
>   _MarkForUpload: True
>   dmi.bios.date: 04/17/2019
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: UX410UAK.312
>   dmi.board.asset.tag: ATN12345678901234567
>   dmi.board.name: UX410UAK
>   dmi.board.vendor: ASUSTeK COMPUTER INC.
>   dmi.board.version: 1.0
>   dmi.chassis.asset.tag: No Asset Tag
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: ASUSTeK COMPUTER INC.
>   dmi.chassis.version: 1.0
>   dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrUX410UAK.312:bd04/17/2019:svnASUSTeKCOMPUTERINC.:pnUX410UAK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX410UAK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
>   dmi.product.family: ZenBook
>   dmi.product.name: UX410UAK
>   dmi.product.version: 1.0
>   dmi.sys.vendor: ASUSTeK COMPUTER INC.
>   version.compiz: compiz N/A
>   version.libdrm2: libdrm2 2.4.101-2
>   version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
>   version.libgl1-mesa-glx: libgl1-mesa-glx N/A
>   version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20200226-1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
>
> To manage notifications about this bug go to:
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>