Public bug reported:

If I'm using Chrome under Wayland, and I pick a tab, and drag it out of
the current window, it correctly creates a new window. But this new
window has performance issues, and often freezes for a few seconds while
using it. The original window seems to be affected as well, but to a
lesser degree, in my experiments. Other windows seem to be unaffected.

I also checked it was not a one-session problem, so I logged-out and
back in, tried again, same result.

This behaviour renders Chrome very poorly usable when this happens.

Update:
Closing any additional window, makes Chrome work smoothly again.

The same issue happens when opening a new window from the panel or from
the menu, so the issue appears to be about handling more than one
window.

Doing the same on X doesn't result in any apparent performance
degradation.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.4-1ubuntu1~20.04.2
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Mon Feb 22 11:24:08 2021
DisplayManager: gdm3
InstallationDate: Installed on 2020-04-03 (324 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200401)
RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.apport.crashdb.conf: 2020-09-16T18:33:51.843197

** Affects: gnome-shell (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal wayland-session

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1916458

Title:
  Chrome on Wayland: having more than one window makes it stutter

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  If I'm using Chrome under Wayland, and I pick a tab, and drag it out
  of the current window, it correctly creates a new window. But this new
  window has performance issues, and often freezes for a few seconds
  while using it. The original window seems to be affected as well, but
  to a lesser degree, in my experiments. Other windows seem to be
  unaffected.

  I also checked it was not a one-session problem, so I logged-out and
  back in, tried again, same result.

  This behaviour renders Chrome very poorly usable when this happens.

  Update:
  Closing any additional window, makes Chrome work smoothly again.

  The same issue happens when opening a new window from the panel or
  from the menu, so the issue appears to be about handling more than one
  window.

  Doing the same on X doesn't result in any apparent performance
  degradation.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: gnome-shell 3.36.4-1ubuntu1~20.04.2
  ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
  Uname: Linux 5.4.0-65-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: GNOME
  Date: Mon Feb 22 11:24:08 2021
  DisplayManager: gdm3
  InstallationDate: Installed on 2020-04-03 (324 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200401)
  RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1
  SourcePackage: gnome-shell
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.apport.crashdb.conf: 2020-09-16T18:33:51.843197

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