fcitx5 uses 100% CPU

[ErrorNoInternet]

Describe the bug Running fcitx5 will cause it to repeatedly flash, and use 100% CPU (1 core). This does not happen with https://extensions.gnome.org/extension/615/appindicator-support.

Screenshots

Desktop (please complete the following information):

• Distro: Arch Linux
• GNOME Shell: 43.0
• Extension version: 20

• Display server: X11

  I read the compatibility note: ✓