Hello,

I notice a kind of labyrinth artefact when I opened a raw originally
modified with DT2.0.6.
I did not see this artefact before, consequently I think it appears with
2.0.7 version.

I work on a fresh install of latest xubuntu, with DT from PPA.

The labyrinth artefact are visible in reconstructed highlight area when :
- highlight reconstruction parameter are : recontruct color, slider below
1, visible around 0.6
- AND demosaic is set at PPG or AMAZE with default settings

I cloned the image deleted development and redone it --> visible.
I tried the same on an other raw image presenting large overexposed area
with darker area in it, reproductible again (an other picture of the same
swan).

Raw files, exported JPG, sidecar xmp and screenshot of darkroom are here.
<https://drive.google.com/drive/folders/0ByrxuNLUjPMjUTNQUHhaampYdkk?usp=sharing>

Should this be considered as a bug ? it does not appear with demosaic set
at VNG4.

Regards,

Thomas

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