Operating System: KDE neon 5.26
KDE Plasma Version: 5.26.5
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.7
Kernel Version: 5.15.0-57-generic (64-bit)
Graphics Platform: X11

After yesterday update there is absolutely chaos in dependencies. kmail, akregator, korganizer, kalendar are gone. when I try instal kmail getting this:

Investigating (0) libkf5messageviewer5:amd64 < none -> 4:22.12.1-0xneon+22.04+jammy+release+build24 @un puN Ib >
Broken libkf5messageviewer5:amd64 Depends on libkf5mbox5:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build14 @rc uH >
Considering libkf5mbox5:amd64 2 as a solution to libkf5messageviewer5:amd64 10
Re-Instated libkf5mbox5:amd64
Broken libkf5messageviewer5:amd64 Depends on libqca-qt5-2:amd64 < none | 2.3.4-1build1 @un uH > (>= 2.3.5)
Considering libqca-qt5-2:amd64 0 as a solution to libkf5messageviewer5:amd64 10
Re-Instated libqca-qt5-2:amd64
Investigating (0) kdepim-runtime:amd64 < none -> 4:22.12.1-0xneon+22.04+jammy+release+build26 @rc puN Ib >
Broken kdepim-runtime:amd64 Depends on kio-ldap:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build12 @rc uH >
Considering kio-ldap:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated kio-ldap:amd64
Broken kdepim-runtime:amd64 Depends on kio-sieve:amd64 < none | 4:22.12.1-0xneon+22.04+jammy+release+build23 @un uH >
Considering kio-sieve:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated kio-sieve:amd64
Broken kdepim-runtime:amd64 Depends on libsasl2-modules-kdexoauth2:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build13 @un uH >
Considering libsasl2-modules-kdexoauth2:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated libsasl2-modules-kdexoauth2:amd64
Broken kdepim-runtime:amd64 Depends on libetebase0:amd64 < none | 0.5.3-0xneon+22.04+jammy+release+build2 @un uH > (>= 0.5.3)
Considering libetebase0:amd64 0 as a solution to kdepim-runtime:amd64 0
Re-Instated libetebase0:amd64
Broken kdepim-runtime:amd64 Depends on libkf5dav5:amd64 < none | 1:5.101.0-0xneon+22.04+jammy+release+build17 @rc uH >
Considering libkf5dav5:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated libkf5dav-data:amd64
Re-Instated libkf5dav5:amd64
Broken kdepim-runtime:amd64 Depends on libkolabxml1v5:amd64 < none | 1.2.1-1build1 @un uH > (>= 1.1.0)
Considering libkolabxml1v5:amd64 0 as a solution to kdepim-runtime:amd64 0
Re-Instated libkolabxml1v5:amd64
Broken kdepim-runtime:amd64 Depends on libkpimgapicalendar5:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build13 @un uH >
Considering libkpimgapicalendar5:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated libkpimgapicalendar5:amd64
Broken kdepim-runtime:amd64 Depends on libkpimgapicontacts5:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build13 @un uH >
Considering libkpimgapicontacts5:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated libkpimgapicontacts5:amd64
Broken kdepim-runtime:amd64 Depends on libkpimgapitasks5:amd64 < none | 22.12.1-0xneon+22.04+jammy+release+build13 @un uH >
Considering libkpimgapitasks5:amd64 1 as a solution to kdepim-runtime:amd64 0
Re-Instated libkpimgapitasks5:amd64
Broken kdepim-runtime:amd64 Depends on libqca-qt5-2:amd64 < none -> 2.3.4-1build1 @un uN IPb > (>= 2.3.5)
Considering libqca-qt5-2:amd64 0 as a solution to kdepim-runtime:amd64 0

i've disable archive.ubuntu in apt but it don't help

https://bugs.kde.org/show_bug.cgi?id=463947

Hi,
Same problem here today. I'm starting to search online…

Following the instructions in comments 6 and 8 of the bug report you cited solved the problem for me.