First post -- Firefox image display issues

[Sarunas Burdulis]

On 2024-05-11 22:17, Gil Weber wrote:
> On Sat, 11 May 2024 22:07:57 -0400
> Sarunas Burdulis <sarunas at math.dartmouth.edu> wrote:
> 
>> It may be worth checking 'about:config' settings in Firefox. In
>> particular the gfx.color_management.*
>>
> 
> Thanks, Sarunas. Here is what's showing. Before I mess with settings I
> don't know can you make any suggestions based on these results?
> 
> Gil
> 
> gfx.color_management.display_profile		
> gfx.color_management.enablev4	true	
> gfx.color_management.force_srgb	false	
> gfx.color_management.mode		2	
> gfx.color_management.native_srgb	false	
> gfx.color_management.rec2020_gamma_as_rec709	true	
> gfx.color_management.rec709_gamma_as_srgb	true	
> gfx.color_management.rendering_intent	0	

Nothing stands out, but you could try flipping gamma, maybe srgb, 
settings. Incorrect gamma might result in similar darkening.

As for checking with a new/clean/default profile, I would:

- make sure all firefox instances are closed;
- move profiles to backup
   (mv .mozilla .mozilla.bak)
- start Firefox, which will create a new .mozilla with default settings, 
no extensions etc.


-- 
Sarunas Burdulis
Dartmouth Mathematics
https://math.dartmouth.edu/~sarunas

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