Public bug reported:

If I have certain GNOME Extensions enabled in a Wayland or X.Org
session, the mouse or the entire screen freezes for a single frame.
These extensions are CPUFreq and Sensory Perception, both available in
Ubuntu Software. They are use to present certain information to the
user, such as CPU Frequency (also allow to modify the governor) in the
case of CPUFreq, and the temperature detected by many sensors througout
the system (using lm-sensors), in the case of Sensory Perception. When
any one of those extensions updates the information that they present in
Ubuntu's Top Bar, the screen freezes for a frame (in a X.Org session),
or the mouse stutters/freezes in a very inconsistent manner (in a
Wayland session). This has been happening for quite a long time, and I
thought it would have been fixed for GNOME 3.34, which it wasn't. I
don't know if this bug is related to gnome-shell or to some other
package, but I do know that it is very annoying. To avoid those bugs
that I've presented, both extensions have to be disabled, and then
everything works like it should.

Info about the system:
1- Description: Ubuntu 19.10
   Release:     19.10

2- gnome-shell:
  Instalado: 3.34.1-1ubuntu1
  Candidato: 3.34.1-1ubuntu1
  Tabela de versão:
 *** 3.34.1-1ubuntu1 500
        500 http://br.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
        100 /var/lib/dpkg/status

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

** Description changed:

  If I have certain GNOME Extensions enabled in a Wayland or X.Org
  session, the mouse or the entire screen freezes for a single frame.
  These extensions are CPUFreq and Sensory Perception, both available in
- Ubuntu Software. They are use to presents information to the user, such
- as CPU Frequency (also allow to modify the governor) in the case of
- CPUFreq, and the temperature detected by many sensors througout the
- system (using lm-sensors). When any one of those extensions updates the
- information that they present in Ubuntu's Top Bar, the screen freezes
- for a frame (in a X.Org session), or the mouse stutters/freezes in a
- very inconsistent manner (in a Wayland session). This has been happening
- for quite a long time, and I thought it would have been fixed for GNOME
- 3.34, which it wasn't. I don't know if this bug is related to gnome-
- shell or to some other package, but I do know that it is very annoying.
- To avoid those bugs that I've presented, both extensions have to be
- disabled, and then everything works like it should.
+ Ubuntu Software. They are use to present certain information to the
+ user, such as CPU Frequency (also allow to modify the governor) in the
+ case of CPUFreq, and the temperature detected by many sensors througout
+ the system (using lm-sensors), in the case of Sensory Perception. When
+ any one of those extensions updates the information that they present in
+ Ubuntu's Top Bar, the screen freezes for a frame (in a X.Org session),
+ or the mouse stutters/freezes in a very inconsistent manner (in a
+ Wayland session). This has been happening for quite a long time, and I
+ thought it would have been fixed for GNOME 3.34, which it wasn't. I
+ don't know if this bug is related to gnome-shell or to some other
+ package, but I do know that it is very annoying. To avoid those bugs
+ that I've presented, both extensions have to be disabled, and then
+ everything works like it should.
  
  Info about the system:
  1- Description:       Ubuntu 19.10
-    Release:   19.10
+    Release:   19.10
  
  2- gnome-shell:
-   Instalado: 3.34.1-1ubuntu1
-   Candidato: 3.34.1-1ubuntu1
-   Tabela de versão:
-  *** 3.34.1-1ubuntu1 500
-         500 http://br.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
-         100 /var/lib/dpkg/status
+   Instalado: 3.34.1-1ubuntu1
+   Candidato: 3.34.1-1ubuntu1
+   Tabela de versão:
+  *** 3.34.1-1ubuntu1 500
+         500 http://br.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
+         100 /var/lib/dpkg/status

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https://bugs.launchpad.net/bugs/1849884

Title:
  Mouse randomly stops while in Wayland session with GNOME Extensions

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  If I have certain GNOME Extensions enabled in a Wayland or X.Org
  session, the mouse or the entire screen freezes for a single frame.
  These extensions are CPUFreq and Sensory Perception, both available in
  Ubuntu Software. They are use to present certain information to the
  user, such as CPU Frequency (also allow to modify the governor) in the
  case of CPUFreq, and the temperature detected by many sensors
  througout the system (using lm-sensors), in the case of Sensory
  Perception. When any one of those extensions updates the information
  that they present in Ubuntu's Top Bar, the screen freezes for a frame
  (in a X.Org session), or the mouse stutters/freezes in a very
  inconsistent manner (in a Wayland session). This has been happening
  for quite a long time, and I thought it would have been fixed for
  GNOME 3.34, which it wasn't. I don't know if this bug is related to
  gnome-shell or to some other package, but I do know that it is very
  annoying. To avoid those bugs that I've presented, both extensions
  have to be disabled, and then everything works like it should.

  Info about the system:
  1- Description:       Ubuntu 19.10
     Release:   19.10

  2- gnome-shell:
    Instalado: 3.34.1-1ubuntu1
    Candidato: 3.34.1-1ubuntu1
    Tabela de versão:
   *** 3.34.1-1ubuntu1 500
          500 http://br.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
          100 /var/lib/dpkg/status

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