Brandon ThomasandClaude Opus 5.5
964d9338ba
Progress docs per craftrules standards/progress-docs.md: target-app parity, gaps, roadmap with alpha gate, readiness by audience (full / mainstream / essentials) with Opus 5.5 hours, model-by-model RAW coverage against Adobe's camera list (docs/raw/), and format, hardware, UI and localization parity docs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Localization parity
Last reviewed: 2026-10-10 · Last updated: 2026-10-10 · Change: major (first per-language measurement from the catalogs) · Target: Adobe Lightroom Classic 15.5 / Lightroom 9.6
How far each interface language is from full. How to add or maintain a language is in
localization.md; per-language notes are in localization-<code>.md
(zh-hans, zh-hant, ja,
pt-br, es, de,
ru).
The target
Lightroom 9.6 (installed on the owner's Mac) ships 16 interface languages, listed from its bundle's
.lproj folder names: English, German, Spanish, French, Italian, Japanese, Korean, Norwegian Bokmål,
Dutch, Polish, Portuguese (Brazil), Russian, Swedish, Thai, Simplified Chinese and Traditional
Chinese. It does not ship Hindi, Arabic, Indonesian or Vietnamese, so for those LightCraft would
go beyond the target.
How the numbers are measured
Measured (a Python count over crates/ui-egui/locales/*.json, 2026-10-10):
- The denominator is every message any catalog knows: the union of the plain catalogs' keys (2,074
English source strings: menus, commands, controls, panels, dialogs, tooltips, presets, What's New
lines) plus the 230 messages of the formats catalogs (
*-formats.json: text with runtime values and date patterns), 2,304 messages in all. - A message counts as translated when the catalog has a non-empty value that differs from the English
key. Some identical values are correct (
ISO,OKin German), so the figure slightly understates coverage; on the other hand, strings that never reach a catalog (technical errors raised in lower crates, someformat!text outsidetr_format!) are not in the denominator at all. That is why no language isfulleven at 99%. - The UI has 563 distinct
tr("…")literals and 198tr_format!messages incrates/ui-eguiandapps/; command, control, menu and preset labels reach the catalogs throughdisplay_label.
Script support is checked against the code: language_table! in crates/ui-egui/src/i18n.rs lists
scripts Latn, Cyrl, Hans, Hant, Jpan only. The UI is egui, which has no bidirectional layout
and no complex-script shaping, so Arabic (RTL, joining) and Devanagari (conjuncts, reordering) cannot
render correctly today.
Native-speaker review: no catalog has had a formal review. Several catalogs have edits from community
contributors whose commits only touch that language (ja, zh-hans, zh-hant, fr, de, ru, uk, pt-br);
that is promising but is not recorded as review, so the column says no (community edits).
The twelve key languages
| # | Language | Code | UI strings translated | Dialogs / tooltips / help | Script support | Native review | Status | To full |
|---|---|---|---|---|---|---|---|---|
| 1 | English | en |
2,304 / 2,304 (100%, source) | all; Help ▸ What's New and the shortcut sheet; no full user manual | Latin (Inter) | n/a | full | 0 h |
| 2 | Simplified Chinese | zh-hans |
1,994 / 2,304 (87%) | menus, panels, dialogs, presets, profiles, dates; lower-layer errors English | Hans via craft-fonts (Noto Sans CJK SC); IME through winit; no vertical text in UI (not in target either) | no (community edits) | partial | 6–10 h |
| 3 | Spanish | es |
1,972 / 2,304 (86%) | as zh-hans | Latin | no (community edits) | partial | 6–10 h |
| 4 | Hindi | hi |
0 (0%) | none | Devanagari shaping missing (egui has no complex shaping) | no | none (target: not shipped) | 50–90 h (shaping 25–50 h, shared with Arabic) |
| 5 | Arabic | ar |
0 (0%) | none | RTL layout and Arabic shaping missing | no | none (target: not shipped) | 60–110 h (RTL mirroring 30–50 h + shaping, shared with Hindi) |
| 6 | French | fr |
2,021 / 2,304 (88%) | as zh-hans | Latin | no (community edits) | partial | 5–9 h |
| 7 | Portuguese (Brazil) | pt-br |
1,966 / 2,304 (85%) | as zh-hans | Latin | no (community edits) | partial | 6–10 h |
| 8 | Indonesian | id |
0 (0%) | none | Latin (Inter covers it) | no | none (target: not shipped) | 10–16 h |
| 9 | Japanese | ja |
1,995 / 2,304 (87%) | as zh-hans; vertical export watermarks | Jpan via craft-fonts (BIZ UDPGothic / UDMincho); IME through winit | no (community edits) | partial | 6–10 h |
| 10 | German | de |
2,104 / 2,304 (91%) | as zh-hans; What's New translated line by line | Latin | no (community edits) | partial | 4–8 h |
| 11 | Korean | ko |
0 (0%) | none | no Korean (Hangul) face: needs a non-Adobe OFL face in craft-fonts (Noto CJK is allowed only for Chinese) | no | none | 14–22 h |
| 12 | Vietnamese | vi |
0 (0%) | none | Latin with stacked diacritics (Inter covers it; check combining marks) | no | none (target: not shipped) | 10–16 h |
Other languages LightCraft ships (3)
| Language | Code | UI strings translated | Script | Native review | Status | To full |
|---|---|---|---|---|---|---|
| Traditional Chinese (Taiwan) | zh-hant |
1,993 / 2,304 (87%) | Hant; uses the Simplified Chinese face until craft-fonts has a TC face | no (community edits) | partial | 8–14 h (incl. the font) |
| Russian | ru |
1,704 / 2,304 (74%) | Cyrillic (Inter) | no (community edits) | partial | 8–12 h |
| Ukrainian | uk |
2,287 / 2,304 (99%) | Cyrillic (Inter) | no (community edits) | partial (lower-layer errors English) | 2–4 h |
Target languages LightCraft lacks: Italian, Korean, Dutch, Polish, Swedish, Norwegian Bokmål, Thai (Thai needs shaping and line breaking without spaces). Each Latin-script one is ~10–16 h; Thai ~20–35 h on top of the shaping work.
Shared work before any language is full (counted once, ~20–35 h)
- Route lower-layer error messages (catalog, raw, codecs, engine) through translatable message ids
instead of English
format!strings (~12–20 h). - A check in
cargo xtask cithat every user-visible literal reaches a catalog (~4–8 h). - A user manual / help pages beyond What's New and the shortcut sheet (Lightroom links to online help; ~4–8 h for a translatable in-app help index).
- Native-speaker review passes (human; cannot be done by agents).
Totals
- Bring the 9 shipped non-English catalogs to
full: ~55–90 h (incl. the shared work). - Add the 5 missing key languages: ~145–255 h, most of it RTL and complex shaping in egui.
- Reach the target's 16 languages: + ~60–100 h (Italian, Dutch, Polish, Swedish, Norwegian, Thai).
Revision history
| Date | Change | Summary |
|---|---|---|
| 2026-10-10 | major | Created: per-language counts measured from the catalogs, the twelve key languages, script support, estimates |