lightcraft/ROADMAP.md

LightCraft roadmap

Milestones toward full Adobe Lightroom parity (cloud Lightroom first, then every Lightroom Classic module), with wall-clock estimates for continuous (24/7) agent-driven development with 4–6 parallel agents. Estimates are calibrated on the sibling projects (DrawCraft reached its first four milestones in ≈ 4½ h) and are revised as milestones land.

Where we stand

Honest assessment, 2026-10-08. Agents: read this before picking work. The checklist in docs/parity.md counts features that exist; this section is about whether a photographer can switch from Lightroom. Update it when a gap below closes.

In one line: the checklist says 79.7% (P0 98.2%, P1 95.6%, P2 41.6%), but measured by whether a working photographer could replace Lightroom without noticing, we are at roughly 60–70%. The remaining gap is mostly quality of results and camera coverage, not missing buttons.

Caveat on the checklist: ✅ is set by whoever lands a feature, and nobody has systematically checked rows against Lightroom's behaviour or output. Bugs keep turning up in ✅ areas (CR2 colour-filter phase on some Canon models #85, duplicate Local entries #22, black GPU exports on an Intel iGPU #78).

By dimension

Dimension	Estimate	What's true today	Biggest gaps
Feature checklist	79.7%	P0 core and P1 nearly complete: import (Add / Copy / Move, templates, devices), library, grid/loupe/compare/survey, every Edit slider, curves, colour grading, masking tools, crop/Upright, heal/clone, presets/profiles, versions/history, sync, export, menus, shortcuts	P0: full-resolution zoom detail; P1: lens-profile database, content-aware fill (patch synthesis), video playback/trim
RAW coverage (formats people shoot)	~55%	DNG (all kinds), CR2, CR3 lossless Bayer and version 0x100/0x200 C-RAW (M50/R100/R8 pixel-exact corpus), ARW, NEF (uncompressed + Huffman lossless/lossy), RAF (uncompressed, lossless/lossy compressed Bayer and X-Trans), uncompressed ORF, uncompressed Samsung SRW (NX5 to NX1100, EX1, WB2000), RW2 / RWL / Panasonic RAW (every raw format, checked on 178 files from 118 Panasonic and Leica bodies), PEF; every container's embedded preview (incl. CR3)	CR3 (every Canon since ~2018), compressed ORF, compressed Samsung SRW (NX1, NX30, NX300, NX500, NX2000, NX3000, NX3300, NX mini), Nikon lossy-after-split, Canon sRAW, HEIC/AVIF. NEFs labelled compressed but stored uncompressed (Z 6 packed 14-bit, D850 12-bit uncompressed). Per-model verification is thin (~55 corpus files vs >1,000 models)
Colour & image quality	~55–65%	Pipeline is complete and fast; GPU path CPU-exact within 1/255	No measured camera calibration database: ARW, NEF, RW2, RAF, CR3, CR2 and PEF have guarded camera-JPEG colour estimates, with bundled ILCE-7CR, ILCE-7M4, X-H2S and X-T4 profiles (docs/camera-preview-colour.md); other non-DNG raws and rejected estimates use a neutral matrix. Colour fidelity remains incomplete. No lens-profile database. No measured fidelity against Lightroom (tone, highlights, texture/clarity, NR, sharpening are tuned by eye)
AI & computational	~15–20%	Assisted culling (focus, bursts), auto tone, HDR/panorama merge; subject/sky/background masks as classical heuristics, or the photo's own segmentation mattes when it ships them (DNG semantic masks, e.g. iPhone ProRAW's sky matte); non-destructive Bayer RAW denoise with opt-in weights on pure-Rust CPU/GPU; faces (MVP, docs/faces.md): a pure-Rust detector (a 232 KB opt-in download), opt-in recognition models (one-click download or add a file; they run on the shared pure-Rust CPU interpreter; pinned SFace/AuraFace embeddings agree with an independent reference runtime on 40 public crops; one-thread medians 34–36 / 233–252 ms (AuraFace remains expensive)), a background scan that finds and embeds faces, name suggestions, a person's page with look-alike faces to confirm, an Unnamed faces section (look-alikes together, select a group and name it at once)	Real segmentation masks (subject, sky, people, objects, landscape, depth), denoise model policy / linear RGB / quality verification, super resolution, lens blur, generative remove, natural-language search; for faces: clusters with separators between groups, small faces in large photos (the detector looks at 640 px), thresholds calibrated on live faces, writing face regions back to XMP. Blocked on a model strategy (licensable weights or our own training; pure-Rust inference is feasible)
Workflow & library	~85% (single machine)	Robust catalog (journal + snapshots, background compaction, crash-tested), 85k-photo libraries stay responsive, Local browsing with automatic cleanup, XMP interop, keywords, smart albums, Move import	Opening an 85k library takes 1.7–4.7 s; no cloud sync (out of scope), no tablet companion (#74, roadmap), shared albums, publish services, tethering
Classic modules	~30%	Geotagging from GPX track logs, soft proofing (partial), slideshow (basic)	Map view, Book, Print, Slideshow module, Web, publish services: ~40 tracker rows ⬜
HDR & video	0%		HDR edit/display/export; video play/trim/edit/export
Platform & robustness	~70%	macOS native; Windows/Linux builds; web via WASM; no-panic lints workspace-wide, unsafe confined to crates/sysmem; failed saves are reported; GPU errors fall back to CPU	Windows installer UI unverified on Windows (PR #79); GPU path proven only on Apple + user reports; English, Simplified/Traditional Chinese, Japanese, Brazilian Portuguese and German UI (see docs/localization.md); remaining technical errors; Traditional Chinese uses the Simplified Chinese font until craft-fonts has a TC face; accessibility partial; headless UI tests time out under machine load

By kind of user

User	Readiness	What blocks them
JPEG / DNG shooter, single machine	~85%	Fidelity polish, AI masks
Nikon / Sony / Panasonic / older-Canon raw shooter	~65%	Camera colour fidelity and coverage (ARW, NEF and RW2 preview estimates are only a starting point); Panasonic compacts and kit zooms also miss their embedded distortion correction
Fujifilm raw shooter	~65%	Uncompressed and lossless/lossy compressed RAF decoded; camera colour calibration remains missing. Verified on 13 bodies, including 14/16-bit GFX; see docs/raf-compression.md
Canon CR3 / Olympus compressed-raw shooter	~45%	CR3 lossless Bayer and version 0x100/0x200 C-RAW develop from sensor data (M50, R100, R8 verified pixel for pixel); other CRX variants and compressed ORF open as embedded JPEG previews. Camera colour and broader model verification remain
Lightroom Classic power user	~45%	Print, Book, Map, publish, tethering
Relies on AI (masks, denoise)	~25%	Object / Describe masks via optional SAM 3 (download not yet hosted); Bayer AI denoise needs separately installed weights; X-Trans/linear RGB, model policy and quality parity remain open

Where we're going

Priorities, in order. Each points at tracker rows in docs/parity.md → Top gaps.

1. Camera colour calibration of our own (LR-PROF-CAMERACOLOR, P0): fit each camera to its own embedded JPEG, use matrices the files carry themselves, then chart shots. Sony ARW, Nikon NEF, Panasonic RW2, Fujifilm RAF, Canon CR3/CR2, Pentax PEF and Samsung SRW have the file-local fit (matrix + tone curve from their own JPEG; CR2 and PEF since issue #310, not yet checked on the corpus); then ORF, then validate fidelity.
2. Raw formats, clean-room (LR-IMP-FORMATS, P0): Remaining unverified CR3 CRX variants, compressed ORF, NEF lossy-after-split, sRAW. Decided 2026-10-05: write our own decoders from prose descriptions (never decoder source, no LGPL dependency); compressed NEF (#86) is the template.
3. Verified camera coverage (LR-IMP-CAMERA-COVERAGE, P0): a CC0 sample per model in the corpus, each decoded and checked for plausible colour; fix per-model bugs (#85).
4. Render fidelity suite (LR-BEHAV-RENDER-FIDELITY, P1): measure our output against Lightroom on the same CC0 raws (references stay in the local plan/), then tune against the numbers.
5. Lens profiles of our own (LR-EDIT-OPTICS-PROFILE, P1).
6. AI model strategy (maintainer decision): which permissively licensed models (or our own training) for segmentation masks and denoise. Bayer denoise inference is implemented in pure Rust with an opt-in GPL model; release policy and independently licensed weights remain open. Unblocks M12 and Enhance. Face detection and recognition run on our own checked Rust engine. Object / Describe masks now run Meta's SAM 3 in pure Rust (optional, user-consented download under the non-OSI SAM License; CDN mirrors still to be set up, docs/ai-masks.md); Subject / Sky / People, Raw Details and Super Resolution are still open.
7. Then: HDR (Q), the Classic output modules (Print first, then Map view, Book, Slideshow), video (R), localisation and accessibility.

Already closed in the week of 2026-10-03: compressed NEF (#10), Move import (#29), per-library smart-preview folder, Local roots / cleanup, grid and catalog performance at 85k photos (#35, #37), failed-save reporting, GPU export hardening (#78), copyright metadata (#51), GPX geotagging (#60), import tag help and folder templates (#31, #32).

Image navigation now supports native pinch zoom and two-finger pan in Detail, Compare and Reference views. The whole-image preview still has a configurable size cap (2,560 px default), so 100% on larger photos does not yet guarantee original-pixel detail; visible-region rendering remains a gap (LR-VIEW-ZOOM).

Milestones

Status legend: ✅ done · 🚧 in progress · ⬜ not started

#	Milestone	Scope (summary)	Estimate (h)	Status
M0	Skeleton + visual shell	workspace, xtask CI + layering, geom/color/raster, develop model, pipeline v0, catalog v0, engine commands, Lightroom-look UI (grid, loupe, filmstrip, Edit panel), control channel, MCP, web build	3–5	✅
M1	Library core	import (JPEG/PNG/TIFF/WebP), EXIF/XMP, persistent catalog (op log + snapshots), albums, ratings/flags/labels, filter/search/sort, thumbnail cache, 100k-photo grid	6–10	✅ (100k-photo grid scale test pending)
M2	Pipeline v1 (quality)	WB temp/tint, profiles, local tone mapping (highlights/shadows), curves, HSL, point colour, colour grading, texture/clarity/dehaze, vignette, grain, B&W, auto tone/WB, histogram, before/after	10–15	✅ (look tuning vs our references ongoing)
M3	RAW I	TIFF/DNG (LJ92, deflate, tiles, opcodes), demosaic (AHD/PPG/bilinear), highlight recovery, DNG colour model, CR2, NEF, ARW, embedded previews	10–15	🚧 (DNG, CR2, ARW, NEF uncompressed + Huffman lossless/lossy, embedded previews ✅; NEF lossy-after-split ⬜)
M4	Crop, geometry, optics	crop tool + overlays, straighten, Upright (auto/level/vertical/full/guided), manual transforms, CA, defringe, manual lens corrections	6–10	✅
M5	Performance	source pyramids, wgpu compute pipeline (CPU oracle), draft/full renders, prefetch, budgets (16 ms slider updates on 24 MP)	10–15	🚧 (stage cache, source pyramid, wgpu pipeline, prefetch, memory budget ✅; colour NR at half resolution, GPU histogram ⬜)
M6	Masking	brush, linear/radial gradients, colour/luminance/depth range, add/subtract/intersect/invert, all local adjustments, masks panel	8–12	🚧 (brush/linear/radial/colour/luminance range, add/subtract/intersect, masks panel ✅; depth range, AI masks ⬜)
M7	Detail	sharpening + masking preview, luminance/colour NR, Denoise, Raw Details, Super Resolution	6–10	🚧 (sharpening, luminance/colour NR ✅; AI Denoise 🟡 (Bayer, optional weights; policy/fidelity open); Raw Details, Super Resolution ⬜)
M8	Heal / Remove	content-aware remove (PatchMatch), heal, clone, brush spots, visualize spots, red/pet eye	6–10	🚧 (heal, clone, auto source, visualize spots, red/pet eye ✅; PatchMatch remove ⬜)
M9	Presets, profiles, versions, sync	preset browser + amount, create/import presets, profile browser, versions, history, copy/paste/sync settings	5–8	✅
M10	Export & share	export dialog (JPEG/PNG/TIFF/DNG/AVIF/JXL/original), sizing, sharpening, metadata, watermark, naming, batch jobs, XMP sidecars, HDR export	6–10	🚧 (all formats incl. DNG/original, sizing, presets, background jobs ✅; JXL encode, HDR export ⬜)
M11	RAW II	CR3, RAF (X-Trans), ORF, RW2, PEF, SRW, 3FR, IIQ + long tail; camera calibration DB; HEIC/AVIF/JXL import	20–35	🚧 (CR3 lossless CRX and C-RAW, RAF uncompressed and lossless/lossy compressed, RW2 (every raw format), PEF, ORF uncompressed ✅; camera colour calibration 🚧 (guarded ARW, NEF, RW2 and RAF preview fitting; measured database still missing), CR3, compressed ORF ⬜)
M12	AI & smart features	subject/sky/background/people/object masks, semantic search, faces/People (permissively licensed models, pure-Rust inference)	20–40	⬜
M13	Merge	HDR merge (deghost), panorama (projections, boundary warp, fill edges), HDR panorama	10–15	✅
M14	Video	import/playback/trim via FilmCraft crates, global edits + presets on video, video export	6–10	⬜
M15	Classic modules	Map, Book, Slideshow, Print, Web; smart collections, stacks, virtual copies, publish services, tethering	25–40	🚧 (smart albums, stacks, virtual copies, compare/survey ✅; Map/Book/Slideshow/Print/Web ⬜)
M16	1.0 polish	preferences, shortcut editor, accessibility, localization, packaging (dmg/msi/AppImage/web), hardening	10–20	🚧 (settings, keyboard shortcuts sheet, packaging basics ✅; English/Chinese (Simplified, Traditional)/Japanese/Brazilian Portuguese/German localisation 🟡; accessibility and further locales ⬜)

Parity estimate (feature count updated 2026-10-08; effort estimate from 2026-10-02)

By feature count — from docs/parity.md (one row per Lightroom feature, menu item and shortcut; cargo xtask parity prints this line on every run, so it stays current):

Scope	Weighted completion	Rows	2026-10-02
P0 (core)	98.2%	200	98.7%
P1 (important parity)	95.6%	149	94.4%
P2 (later / AI / niche, incl. Classic modules)	41.6%	160	29.4%
All in-scope rows	79.7%	509	75.6%

The 2026-10-05 count includes three new 🟡 rows that make quality gaps visible (camera colour calibration, verified camera coverage, render fidelity), which is why P0 dipped slightly.

✅ counts 1, 🟡 ½, ⬜ 0; out-of-scope rows (cloud sharing, Adobe accounts…) are left out.

By remaining effort — rows are not equal: a shortcut and the whole Book module are one row each, and what is left is the heavy part (AI, video, Classic output modules, undocumented raw codecs). Remaining work in Opus agent-hours (one agent working continuously; calibrated on this project — a single lead agent closed ≈ 45 tracker rows of UI/feature work in ≈ 5 h on 2026-10-01, and ≈ 60 more (preset import incl. .lrtemplate / DNG / zip and masks, smart-album rule editor, auto sync, keyword and label sets, import options and DNG conversion, smart previews, external-editor round trip, slideshow, auto import…) in ≈ 12 h on 2026-10-02; four to six parallel agents built M0–M13 in ≈ 25 active hours):

Work package	Tracker rows	Agent-hours	Risk
Remaining P0/P1 UI and library features (folder rename/move, keyword painter, people view…)	≈ 8	5–10	low
Raw codecs: CR3 (CRX), compressed ORF, NEF lossy-after-split, HEIC/AVIF decode	LR-IMP-FORMATS	40–80	high — clean-room black-box analysis, no permissive specs
Lens-profile database of our own (calibration targets, fitting, data)	LR-EDIT-OPTICS-PROFILE	15–30	data collection
Video: playback, trim, edits, export (pure-Rust decode, ideally shared with FilmCraft)	R. Video	20–40	medium
AI: subject / sky / background / people / object masks, object-aware remove, AI denoise, super resolution, lens blur, people & faces, natural-language search, culling	≈ 30	80–150	high — permissively licensed weights, pure-Rust inference, maybe training
HDR editing, display, visualisation and export	Q. HDR, LR-EXP-HDR	15–25	medium
Classic modules: Map, Book, Slideshow module, Print, publish services, tethering, soft proofing	≈ 50	60–100	medium (large, well-understood)
Smaller P2 items: Enhance dialog, export to Photos, help / what's new, accessibility, localisation, sidecar variants	≈ 15	12–25	low
Look tuning, performance budgets (colour NR at half resolution on CPU + GPU, 100k-photo library), packaging, hardening	—	25–45	medium
Total remaining		≈ 270–505

Spent so far ≈ 105–145 agent-hours, so by effort the project is ≈ 20–35% of the way to complete Lightroom + Classic parity, and ≈ 45–60% of the way for cloud-Lightroom parity without AI and the Classic modules (remaining ≈ 130–255 h, most of it the raw codecs, lens data, video and HDR).

Wall clock: ≈ 270–505 h for one agent working alone; with 4–6 parallel agents (≈ 70% parallel efficiency, merges and CI under load cost the rest) ≈ 65–125 h of continuous work. The AI package and the raw codecs carry most of the uncertainty: they can finish faster if suitable permissive models / documentation turn up, or stall on licensing.

Totals

Remaining from 2026-10-02 evening (see Parity estimate above for the breakdown):

Target	Remaining agent-hours	Wall clock, 4–6 parallel agents
Cloud-Lightroom parity without AI or Classic modules	≈ 130–255 h	≈ 35–65 h
Full parity incl. AI, video and the Classic modules	≈ 270–505 h	≈ 65–125 h

The milestone estimates in the table above were made before work started and are kept for calibration (M0–M13 took ≈ 25 active hours with parallel agents against an estimate of ≈ 110–170 h for those milestones).

Risks that coding hours alone don't retire

• AI features (subject/sky/people masks, generative remove) need model weights with licences we can ship; classical fallbacks first. No permissively licensed sky-segmentation or raw-denoise model was found — we may need to train our own.
• Camera colour and lens data is a data problem: we never use Adobe's matrices, DCPs or LCPs. DNG-embedded data first, then our own calibration; long-tail camera/lens coverage grows over time.
• Raw-format sources: decided 2026-10-05: decoders are written from prose format descriptions (even ones published alongside GPL code); decoder source is never read. Still open: freedom-to-operate review for local Laplacian filters, PatchMatch and HEVC (HEIC).
• Look parity with Adobe's default rendering is tuned by eye today; the planned fidelity suite (LR-BEHAV-RENDER-FIDELITY) turns it into measured comparisons against local-only Lightroom references.

Raw format coverage and known gaps

Sony ILCE-7M4 downsized lossless ARW (subsampled YCbCr 4:2:0 / 4:2:2 tiles) now decodes to linear RGB; private 3:2 & 4:3 examples verified through native rendering & full-resolution 16-bit export.

CR3 lossless Bayer and version 0x100/0x200 C-RAW sensor decoding is verified pixel-exactly on Canon M50, R100 and R8; any other CR3, or one that fails to decode, opens from its embedded JPEG as before. See docs/cr3.md for coding limits, reference provenance and colour limitations.

Decoded (CC0 corpus from raw.pixls.us, cargo xtask corpus --download, crates/raw/tests/corpus.rs): DNG (uncompressed, LJ92, lossy JPEG / Smart Previews, Deflate, float, linear, DNG 1.7 JPEG XL tiles: lossless ones bit-exact on synthetic files, lossy ones unclipped in the declared linear primaries, checked on one real file), CR2, ARW (uncompressed, ARW2, LJ92; as-shot white balance and black level of pre-2017 bodies from the enciphered maker-note Tag2010 and the encrypted SR2SubIFD, both recovered by black-box analysis, crates/raw/src/vendor/arw.rs), NEF/NRW uncompressed and Huffman-compressed (lossless, lossy type 1/2, 12/14-bit), RAF uncompressed and lossless/lossy compressed (Bayer and X-Trans, 14/16-bit real-file verification), RW2 / Leica RWL / Panasonic RAW in every raw format (compressed formats 4 and 6, the prefix-coded strips of format 8, packed formats 2, 5 and 7, the 16-bit words of the 2005–2007 bodies; all recovered by black-box analysis of 178 CC0 files from 118 bodies, crates/raw/src/vendor/rw2.rs), PEF (uncompressed and Huffman), ORF uncompressed (16-bit and 12-bit packed). Supported containers yield their embedded JPEG preview when present (including CR3). The engine uses it for RAW variants it cannot decode yet; HEVC-only CR3 previews are not decoded.

Not decoded yet — preview only (no permissively licensed description; black-box analysis incomplete):

• Nikon "lossy after split" NEF (non-zero split row in maker note 0x0096, e.g. some D3400/D5000/D5200/D5500/D5600 files): rows above the split decode with the regular lossy table; from the split row on a different code is used that our black-box analysis has not recovered yet (none of the four regular tables fits, also not with byte alignment or reset predictors at the split row). The other Nikon Huffman variants are decoded (crates/raw/src/vendor/nefc.rs documents the analysis).
• Olympus compressed ORF, Canon CR3 unverified CRX variants (M11.1), Canon sRAW/mRAW.

Camera colour matrices: ARW, NEF, RW2, RAF, CR3, CR2, PEF and Samsung SRW files can use guarded, separate chromaticity and tone estimates from their own embedded JPEG (see docs/camera-preview-colour.md); this is a per-file camera-look estimate with relative WB, not measured calibration or absolute-Kelvin WB. Other non-DNG raws and rejected fits use the documented neutral fallback (camera RGB ≈ linear sRGB, flagged matrix_is_fallback) with the file's as-shot white-balance multipliers. Clean sources to evaluate next: manufacturer matrices stored in the files themselves (Olympus ImageProcessing ColorMatrix, Pentax equivalents; Panasonic RW2 files carry none) and our own chart-based calibration (M11.4). Adobe matrices are never used.

Lightroom Classic catalog migration

File → Import Lightroom Catalog… reads .lrcat plus committed WAL pages directly through a pure-Rust SQLite reader. Originals stay in place; ratings, flags, labels, XMP metadata, hierarchical keywords, collections/sets, virtual copies and supported develop settings migrate into LightCraft. Existing edits are preserved by default, reimport identities are persistent, and source settings/history/snapshots are archived before catalog mutation. Missing originals remain available for relinking.

Rendering is approximate: unsupported Adobe profiles/AI/process settings are reported and archived; history/snapshots remain source data, and smart collections import current membership. The Lightroom database is read-only; LightCraft owns subsequent edits. See docs/lightroom-catalog-import.md.

Log

• 2026-09-30: roadmap created; M0 in progress; research docs (Lightroom reference, Rust imaging ecosystem) complete.
• 2026-09-30 (later): app running with the full Lightroom-style UI; pipeline v0; DNG/CR2/ARW; README showcase. ≈ 8 h elapsed.
• 2026-10-02: parity estimate added (xtask parity prints weighted completion); milestone statuses refreshed.
• 2026-10-08: Fujifilm camera colour: guarded JPEG matching and relative WB, plus bundled X-H2S/X-T4 profiles from 201/545 photos. On 150 withheld files the pooled profiles improve mean ΔE slightly over per-file fitting (X-H2S 1.70 → 1.62, X-T4 2.43 → 2.34); dark X-H2S samples 8.74 → 2.25. Measured calibration remains open.
• 2026-10-08: Fujifilm lossless/lossy compressed RAF: pure-Rust striped decoder; full sensor arrays verified against a black-box reference on 17 CC0 files and 7 supplied X-H2S / X-T4 files (13 camera bodies, 14/16-bit Bayer and X-Trans). Camera colour calibration remains a separate gap.
• 2026-10-01: RAW II formats: RAF (uncompressed Bayer + X-Trans), RW2 (packed), PEF (incl. Huffman), ORF (uncompressed); embedded previews for every container incl. CR3; raw corpus test with 37 CC0 samples.
• 2026-10-03 – 10-05: community PRs (#42–#51, #60) and 25+ issues landed: compressed NEF, Move import, folder templates, Local roots and cleanup, 85k-photo grid and catalog performance, background compaction, failed-save errors, GPU export hardening, clippy 1.99. Added the honest Where we stand assessment and Where we're going priorities; added tracker rows for camera colour, camera coverage and render fidelity.
• 2026-10-07: Panasonic RW2 / Leica RWL / Panasonic RAW decode in every raw format (compressed 4/6/8, packed 2/5/7, 16-bit words), black levels, in-camera aspect crops and mapped-out defects established on 178 CC0 files from 118 bodies; RW2 gets the file-local camera look (accepted on 140 of 174 files with a preview).
• 2026-10-08: independent Rust CR3 lossless and version 0x100/0x200 C-RAW decoding, six exact full-sensor regressions on M50/R100/R8; any CR3 decode error falls back to the embedded JPEG; guarded CR3 camera-JPEG colour fitting with independent framing validation (docs/cr3.md). Unverified CRX variants and broader model verification remain.
• 2026-10-09: Sony ILCE-7CR camera colour: bundled profile from 125 photos. On 26 withheld photos mean ΔE vs the camera JPEG 4.07 → 3.29; all 131 photos accepted, where 8 fell back to the neutral matrix without it. Measured calibration remains open.

Chinese and Japanese interfaces, and text watermarks

English, Simplified Chinese, Traditional Chinese (Taiwan) and Japanese interface languages are persisted in UI state, and the language table (crates/ui-egui/src/i18n.rs) drives the menus, settings and fonts, so another language is a table entry plus two catalogs (docs/localization.md). Core menus and panels are translated; untranslated text retains English. CJK glyphs (Chinese: Noto Sans CJK SC; Japanese UI: BIZ UDPGothic; watermarks: BIZ UDMincho) come from storytold/craft-fonts, embedded by builds made with the optional CRAFT_FONTS_DIR input (all releases), so no system fonts are needed. Text watermarks now accept vertical: true in export JSON/presets and expose an orientation selector. Japanese characters stay upright in top-to-bottom columns, with newlines starting columns to the left. This is basic lettering, without tate-chu-yoko, ruby, kinsoku, or general vertical OpenType shaping. The same coverage renderer serves 8/16/32-bit exports.