GIMP Merge Visible Layers Layer Mask Issue

Merged visible layers ignore layer mask visibility

0 reputation · 07 Jul 2020, 20:45 UTC

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When using the Merge Visible Layers command on an image that contains layers with associated layer masks, the expected result is a single layer that visually matches the on‑screen preview, which includes the mask’s effect.

It is unclear whether GIMP evaluates the mask visibility before merging or simply copies the raw pixel data, which could produce a merged layer that differs from the preview. This uncertainty impacts workflows that rely on flattening for export while preserving mask‑based edits.

Does Merge Visible Layers respect layer mask visibility? If not, what conditions cause the mask to be ignored? Is there a way to force mask‑aware merging without manual duplication?

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Merged visible layers ignore layer mask visibility

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