Hi, I think I have a similar issue but with profiles.
I have been happily running the 3.0.4 AppImage under Ubuntu 16.04LTS, then tried 3.1 and none of my printers, materials, or print profiles came over.
I figured out that backing up to 3.0.4 works but that "first run" of 3.1 for translation failed.
Is there a way to restart the process *OR* is it possible that the logs showing translation issues are still hanging around?
I only see a bunch of version bumps in the translated files, and nothing shows up when I start 3.1.
Ideas?
Do I need to export everything from 3.0 and import to 3.1?
UBUNTU:~/.local/share/cura> diff -r 3.0/quality 3.1/quality
diff -r 3.0/quality/fdmextruder_abs+high+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_abs+high+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_abs+normal+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_abs+normal+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_abs+quick+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_abs+quick+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_pla+high+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_pla+high+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_pla+normal+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_pla+normal+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_raptor+pla+high+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_raptor+pla+high+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_raptor+pla+normal+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_raptor+pla+normal+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmextruder_raptor+pla+quick+quality+mp+mini.inst.cfg 3.1/quality/fdmextruder_raptor+pla+quick+quality+mp+mini.inst.cfg
10c10
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_abs+high+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_abs+high+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_abs+low+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_abs+low+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_abs+normal+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_abs+normal+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_abs+quick+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_abs+quick+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_pla+quick+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_pla+quick+quality+mp+mini.inst.cfg
6a7
> setting_version = 4
8d8
< setting_version = 3
diff -r 3.0/quality/fdmprinter_raptor+pla+high+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_raptor+pla+high+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_raptor+pla+low+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_raptor+pla+low+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/fdmprinter_raptor+pla+normal+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_raptor+pla+normal+quality+mp+mini.inst.cfg
7d6
< setting_version = 3
9a9
> setting_version = 4
diff -r 3.0/quality/fdmprinter_raptor+pla+quick+quality+mp+mini.inst.cfg 3.1/quality/fdmprinter_raptor+pla+quick+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/monoprice+15365_pla+high+quality+mp+mini.inst.cfg 3.1/quality/monoprice+15365_pla+high+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/monoprice+15365_pla+low+quality+mp+mini.inst.cfg 3.1/quality/monoprice+15365_pla+low+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
diff -r 3.0/quality/monoprice+15365_pla+normal+quality+mp+mini.inst.cfg 3.1/quality/monoprice+15365_pla+normal+quality+mp+mini.inst.cfg
9c9
< setting_version = 3
---
> setting_version = 4
Only in 3.1/quality: monoprice%2B15365_fdmextruder_pla%2Blow%2Bquality%2Bmp%2Bmini.inst.cfg