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photocraft/crates/io
FinnNkandClaude Opus 5.5 2807deb209 fix(psd): write the layer block after a kept merged-transparency marker (#5673)
A 16/32-bit document saved as PSD has its layers in a global Lr16/Lr32 block, which the writer put first among the global blocks. A Mtrn/Mt16/Mt32 marker kept from the opened file then followed it, and Photoshop refuses such a file (verified in Photoshop 2026 with psd-tools' transparentbg.psd re-saved both ways: Mt32 first opens, Lr32 first doesn't). The layer block now goes right after the last kept marker, as Photoshop orders them. Fixes #5068.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-14 15:03:59 -07:00
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