I wrote “IBus 1.5.18 is released” last time and I’d write the additional information.
Previously I could not take the screencast in GNOME in more than 30 seconds and recently I got the GSettings key ‘max-screencast-length’ of ‘org.gnome.settings-daemon.plugins.media-keys’.
% gsettings get org.gnome.settings-daemon.plugins.media-keys max-screencast-length
% gsettings set org.gnome.settings-daemon.plugins.media-keys max-screencast-length 0
Now I can take the screencast of IBus unicode typing in GNOME Wayland without the 30 seconds limitation.
To enable the global shortcut key Ctrl-Shift-e in GNOME, which can be changed with
ibus-setup utility, you have to add one more IBus input sources besides XKB sources with
gnome-control-center region utility. E.g. If you have “English (US)” and “French”, you also need to add “English (English – US (Typing Booster))” or “Other (rawcode)” or “Chinese (Intelligent Pinyin)” or else so that you apply IBus engines to “English (US)” and “French” XKB sources.
Fedora ibus-1.5.18-2.fc28 was rebuilt for CLDR emoji 33 alpha and Unicode emoji 11.0 alpha.
# dnf update ibus