SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols.
See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***


STEPS TO REPRODUCE
1. Open Discover
2. Click on Krita Card
3. Click install
4. Try to install from terminal with apt

OBSERVED RESULT
Krita won't install because of failed dependency resolution

EXPECTED RESULT
Krita should install

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: KDE Neon Unstable
(available in About System)
KDE Plasma Version: 5.91.90
KDE Frameworks Version: 5.248.0
Qt Version: 6.6.1

ADDITIONAL INFORMATION

The output from sudo apt install krita:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) krita:amd64 < none -> 1:5.1.5+p22.04+tunstable+git20230311.0029-0 @un puN Ib >
Broken krita:amd64 Depends on krita-data:amd64 < none | 1:5.1.5+p22.04+tunstable+git20230311.0029-0 @un uH > (>= 1:5.1.5+p22.04+tunstable+git20230311.0029-0)
  Considering krita-data:amd64 0 as a solution to krita:amd64 9999
  Re-Instated krita-data:amd64
Broken krita:amd64 Depends on krita-l10n:amd64 < none | 1:5.1.5+p22.04+tunstable+git20230311.0029-0 @un uH >
  Considering krita-l10n:amd64 1 as a solution to krita:amd64 9999
  Re-Instated krita-l10n:amd64
Broken krita:amd64 Depends on krita-python3:amd64 < none | 1:5.1.5+p22.04+tunstable+git20230311.0029-0 @un uH >
  Considering krita-python3:amd64 1 as a solution to krita:amd64 9999
  Re-Instated krita-python3:amd64
Broken krita:amd64 Depends on libharfbuzz0b:amd64 < 2.7.4-1ubuntu3.1 @ii K > (>= 6.0.0+dfsg)
Broken krita:amd64 Depends on libkseexpr4:amd64 < none | 4.0.4.0+p22.04+vunstable+git20231225.0134-0 @un uH > (>= 4.0.4.0+p22.04+tunstable+git20220429.1917)
  Considering libkseexpr4:amd64 0 as a solution to krita:amd64 9999
  Re-Instated libkseexpr4:amd64
Broken krita:amd64 Depends on libkseexprui4:amd64 < none | 4.0.4.0+p22.04+vunstable+git20231225.0134-0 @un uH > (>= 4.0.4.0+p22.04+tunstable+git20220429.1917)
  Considering libkseexprui4:amd64 0 as a solution to krita:amd64 9999
  Re-Instated libkseexprui4:amd64
Broken krita:amd64 Depends on libmypaint-1.5-1:amd64 < none | 1.6.0-2 @un uH > (>= 1.5.0)
  Considering libmypaint-1.5-1:amd64 0 as a solution to krita:amd64 9999
  Re-Instated libmypaint-common:amd64
  Re-Instated libmypaint-1.5-1:amd64
Broken krita:amd64 Depends on libopencolorio1v5:amd64 < none | 1.1.1~dfsg0-7.1build1 @un uH > (>= 1.1.1~dfsg0)
  Considering libopencolorio1v5:amd64 0 as a solution to krita:amd64 9999
  Re-Instated libopencolorio1v5:amd64
Broken krita:amd64 Depends on libraqm0:amd64 < 0.7.0-4ubuntu1 @ii K > (>= 0.10.0)
Broken krita:amd64 Depends on libunibreak5:amd64 < none | 5.1-1+22.04+jammy+unstable+build11 @un uH >
  Considering libunibreak5:amd64 1 as a solution to krita:amd64 9999
  Re-Instated libunibreak5:amd64
Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 krita : Depends: libharfbuzz0b (>= 6.0.0+dfsg) but 2.7.4-1ubuntu3.1 is to be installed
         Depends: libraqm0 (>= 0.10.0) but 0.7.0-4ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.