[Bug 1901789] [NEW] Release upgrade 20.04 -> 20.10 removed input method from ibus

[DarkTrick]

Public bug reported:

What happened:
===============

I'm using iBus as input "method" with
- Japanese (Anthy) // primary 
- German
set up. 

I upgraded from ubuntu 20.04 to 20.10.

EXPECTED: No changes regarding input.
ACTUAL: German input method was removed


lsb_release -rd
===============
Description:	Ubuntu 20.10
Release:	20.10

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: ubuntu-release-upgrader-core 1:20.10.12
ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
Uname: Linux 5.8.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Wed Oct 28 11:10:04 2020
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to groovy on 2020-10-24 (3 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade groovy

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https://bugs.launchpad.net/bugs/1901789

Title:
  Release upgrade 20.04 -> 20.10 removed input method from ibus

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  What happened:
  ===============

  I'm using iBus as input "method" with
  - Japanese (Anthy) // primary 
  - German
  set up. 

  I upgraded from ubuntu 20.04 to 20.10.

  EXPECTED: No changes regarding input.
  ACTUAL: German input method was removed

  
  lsb_release -rd
  ===============
  Description:	Ubuntu 20.10
  Release:	20.10

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubuntu-release-upgrader-core 1:20.10.12
  ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
  Uname: Linux 5.8.0-25-generic x86_64
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Wed Oct 28 11:10:04 2020
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to groovy on 2020-10-24 (3 days ago)
  VarLogDistupgradeTermlog:

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