Bug#872546: libqt5core5a: KDE is entirely broken after package libqt5core5a upgraded at version 5-9-1

[Kevin Moray <moraykevin@hotmail.com>]

Package: libqt5core5a
Version: 5.9.1+dfsg-8
Severity: important

KDE is entirely broken after an upgrade and refuses to be reinstalled (cause : dependencies not satisfied)

Error message : libkf5declarative5 (and also python3-pyqt5) depend qtbase-abi-5-7-1 which is a virtual package and is not provided by any available package

Version of qtbase-abi (package libqt5core5a) in repositories after upgrade : qtbase-abi-5-9-1

-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.12.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=fr_BE.UTF-8, LC_CTYPE=fr_BE.UTF-8 (charmap=UTF-8), LANGUAGE=fr_BE:fr (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libqt5core5a depends on:
ii  libc6                  2.24-14
ii  libdouble-conversion1  2.0.1-4
ii  libgcc1                1:7.1.0-13
ii  libglib2.0-0           2.53.4-3
ii  libicu57               57.1-6
ii  libstdc++6             7.1.0-13
ii  zlib1g                 1:1.2.8.dfsg-5

Versions of packages libqt5core5a recommends:
ii  qttranslations5-l10n  5.9.1-1

Versions of packages libqt5core5a suggests:
ii  libthai0  0.1.26-3

-- no debconf information