The problem is not bionic specific (ibus 1.5.17). Myself has confirmed it both on 19.04 (with ibus 1.5.19) and 19.10 (with ibus 1.5.21).
So the upstream commit which was backported breaks Qt, and AFAIK the problem hasn't been resolved upstream yet.
The problem is not bionic specific (ibus 1.5.17). Myself has confirmed it both on 19.04 (with ibus 1.5.19) and 19.10 (with ibus 1.5.21).
So the upstream commit which was backported breaks Qt, and AFAIK the problem hasn't been resolved upstream yet.