SUMMARY
On KDE Neon 20.04 Libreoffice installed via snap crashes on start (Writer, Calc, etc.)

STEPS TO REPRODUCE
1. install libreoffice (6.4.5.2) on KDE Neon (20.04 up to date)
2. start any LibreOffice application
3. the application crashes, 

OBSERVED RESULT
when starting from the cli the folloowing message is shown:
Gtk-Message: 11:21:32.903: Failed to load module "colorreload-gtk-module"
Fontconfig warning: FcPattern object weight does not accept value [40 210)
Application Error

EXPECTED RESULT
Libreoffice starts just like it did on KDE Neon 18.04

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
Operating System: KDE neon 5.19
KDE Plasma Version: 5.19.4
KDE Frameworks Version: 5.73.0
Qt Version: 5.14.2
Kernel Version: 5.4.0-42-generic
OS Type: 64-bit
Processors: 16 × Intel® Core™ i9-9900K CPU @ 3.60GHz
Memory: 62.5 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 630

snap info libreoffice:
snap-id:      CpUkI0qPIIBVRsjy49adNq4D6Ra72y4v
tracking:     latest/stable
refresh-date: today at 11:20 CEST
channels:
  latest/stable:    6.4.5.2 2020-07-09 (183) 436MB -
  latest/candidate: 6.4.5.2 2020-07-20 (185) 463MB -
  latest/beta:      ↑                              
  latest/edge:      ↑                              
installed:          6.4.5.2            (183) 436MB -


ADDITIONAL INFORMATION
Not sure under which of the many bug catagories this is supposed to go....