Experienced same bugs. It is happen in both with or without --use-gtk option enabled. It allocate memory whenever I switched to a typable space, e.g. gedit. Each time will have around 300KB increase in memory.
Version: ubuntu 16.04 LTS indicator-keyboard 0.0.0+16.04.20151125-0ubuntu1 ibus 1.5.11-1ubuntu2.1
Experienced same bugs. It is happen in both with or without --use-gtk option enabled. It allocate memory whenever I switched to a typable space, e.g. gedit. Each time will have around 300KB increase in memory.
Version: 04.20151125- 0ubuntu1
ubuntu 16.04 LTS
indicator-keyboard 0.0.0+16.
ibus 1.5.11-1ubuntu2.1