Missing preferences menu option

[CB]

1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu
Description: Ubuntu 19.10
Release: 19.10

2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center

meld:
  Installed: 3.20.1-1
  Candidate: 3.20.1-1
  Version table:
 *** 3.20.1-1 500
        500 http://br.archive.ubuntu.com/ubuntu eoan/universe amd64 Packages
        500 http://br.archive.ubuntu.com/ubuntu eoan/universe i386 Packages
        100 /var/lib/dpkg/status

3) What you expected to happen

Show "Preferences" menu item somewhere.

4) What happened instead

No "Preferences" option in "Meld" menu. See https://askubuntu.com/questions/1093428/ubuntu-18-10-meld-missing-preferences-option

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Dark Dragon (darkdragon-001)]

Still happening in 20.04 focal...