Created attachment 151439 [details]
'My Defaults' Input Profile

SUMMARY
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When creating a new Input Profile for Canvas Input, Krita doesn't save the Input Profile (or any edits made to "Krita Default") upon closing and restarting the program.

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STEPS TO REPRODUCE
1. Navigate to Settings > Configure Krita > Edit Profiles.
2. Click 'Reset All' for a fresh start. In the krita/input folder, all default '.profile' files exist.
3. Duplicate "Krita Default", rename it to "My Defaults". Close the dialogue.
4. The setting entries get reversed in order. E.g. Activate Line Tool is at the top of the list instead of the bottom in 'Tool Invocation'.
5. Make a change to the input settings while 'My Defaults' is active, e.g. set Activate Line Tool to "` + Left Button".
6. Click Ok in the Configure Input dialogue box.
7. mydefaults.profile appears in the krita/input folder.
8. Use the program with the new invocation: it works.
9. Close the program.
10. Re-open the program and re-navigate to Configure Krita > Canvas Input.

OBSERVED RESULT
The Input Profile dropdown does not show the 'My Defaults' profile, despite still being visible in the krita/input folder.

EXPECTED RESULT
Krita loads the mydefaults.profile in the dropdown for selection, or automatic detection.

SOFTWARE/OS VERSIONS
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.19044
Pretty Productname: Windows 10 (10.0)
Product Type: windows
Product Version: 10

Qt Version:
Version (compiled): 5.12.12
Version (loaded): 5.12.12

ADDITIONAL INFORMATION

I've attached the 'mydefaults.profile' file, because I noticed that the custom shortcuts reverse the order of entries within a category, but I do not know if this is expected behaviour.

This is not an issue new to 5.1.0, I've had it for quite a while now and don't know where in the program there might be a hiccup preventing me from saving inputs. In a similar way, the Shortcut Scheme, when I import one, shows it as 'Default' when selected in the drop-down at the bottom of the Shortcuts settings, but at least they are remembered between sessions.

Here's the Krita Usage Log from the above test session:

SESSION: 20 Aug 2022 14:39:56 +1000. Executing C:\Program Files\Krita (x64)\bin\krita.exe

Krita Version: 5.1.0, Qt version compiled: 5.12.12, loaded: 5.12.12. Process ID: 3856
-- -- -- -- -- -- -- --
20 Aug 2022 14:39:56 +1000: Style: fusion. Available styles: windowsvista, Windows, Fusion
20 Aug 2022 14:40:08 +1000: Database is up to date. Version: 0.0.17, created by Krita 5.1.0, at Fri Aug 19 13:30:01 2022
20 Aug 2022 14:40:12 +1000: Could not load resource patterns/krita_EK4500.pat
20 Aug 2022 14:40:12 +1000: Could not load resource patterns/krita_Xj4500.pat
20 Aug 2022 14:40:12 +1000: Could not load resource patterns/krita_Xm4500.pat
20 Aug 2022 14:40:12 +1000: Non-store package - creating updater
20 Aug 2022 14:43:43 +1000: Created image "Unnamed", 3840 * 2160 pixels, 300 dpi. Color model: 8-bit integer/channel RGB/Alpha (sRGB-elle-V2-srgbtrc.icc). Layers: 1
20 Aug 2022 14:44:53 +1000: CLOSING SESSION