SUMMARY
krita-4.3.0-prealpha-369d552-x86_64 is last build to start

STEPS TO REPRODUCE
1. Start appimage in term window
2. Loads to main window
3. then fail

OBSERVED RESULT

Term output:
mugwah@mugwah-asus ~/app_images/krita_nightly $ ./krita-4.3.0-prealpha-5619916-x86_64.appimage
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
krita.lib.widgets: MD5sum and filename point to different resources -- was the resource renamed? We go with md5
QObject::startTimer: Timers cannot have negative intervals
Could not find platform independent libraries <prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Python path configuration:
  PYTHONHOME = (not set)
  PYTHONPATH = (not set)
  program name = 'python3'
  isolated = 0
  environment = 1
  user site = 1
  import site = 1
  sys._base_executable = '/usr/bin/python3'
  sys.base_prefix = ''
  sys.base_exec_prefix = ''
  sys.executable = '/usr/bin/python3'
  sys.prefix = ''
  sys.exec_prefix = ''
  sys.path = [
    '/home/mugwah/.local/share/krita/',
    '/tmp/.mount_krita-jcL3lg/usr/share/krita/',
    '/home/mugwah/.local/share/krita/pykrita/',
    '/tmp/.mount_krita-jcL3lg/usr/share/krita/pykrita/',
    '/tmp/.mount_krita-jcL3lg/usr/share/pykrita/',
    '/tmp/.mount_krita-jcL3lg/usr/lib/krita-python-libs',
    '/lib-dynload',
    '/site-packages',
    '/site-packages/PyQt5',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
ModuleNotFoundError: No module named 'encodings'

Current thread 0x00007f4d54aa1900 (most recent call first):
<no Python frame>
krita.general: Warning: some tiles have leaked:
krita.general: 	Tiles in memory: 4 
 	Total tiles: 4



EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION