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vectorcraft/docs/localization-parity.md
Brandon ThomasandClaude Opus 5.5 d4b0a5479b Progress docs: target-app parity, gaps, alpha gate, readiness by audience (#994)
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, and feature, format, hardware, UI and localization parity docs.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-10 14:11:14 -04:00

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Localization parity

Last reviewed: 2026-10-10 · Last updated: 2026-10-10 · Change: major (first per-language table, measured from the catalogs) · Target: Adobe Illustrator 2026 (30.x)

Per-language status of VectorCraft's interface. How the catalogs work and how to add a language: development.md › Localisation. Part of target-app-parity.md.

How it is measured: rows with a translation in each crates/ui-egui/src/i18n/<code>.tsv, counted on origin/main 01e165af. The reference is the French catalog, which the tests hold complete: 3,416 interface strings (menus, command labels, tl! literals: panels, dialogs, tooltips, Preferences) plus 604 @msg status and error messages, 4,020 in all. A language's % is its rows over 4,020 (capped at 100% per part). The complete_menus flag and COMPLETE_MESSAGES list make i18n::tests fail if a complete language misses a string, so "full" here is enforced by tests. No language has help content: there is no translated (or English) in-app help, and the docs are English.

Native review: every catalog was written clean-room from the English meaning, most of it by agents (bflatastic), with community contributors adding or correcting (German by dwetscher, Japanese and Traditional Chinese by imachus). None is recorded as reviewed by a native speaker; the catalog headers ask for one.

The twelve key languages

Language Code UI strings translated Dialogs / tooltips / messages Script support Native review Status To full (h)
English en source, 100% all Latin — full —
Simplified Chinese (Mandarin) zh-hans 3,647 rows; menus, panels, dialogs complete (tests); 85% overall messages in English (1 of 604) CJK UI font from craft-fonts (BIZ UDPGothic) when embedded, else a system font; IME with marked text at the caret; vertical type partial (type-parity.md) no partial 2–3
Spanish es 4,009 / 4,020 (99.7%) all (604 messages) Latin no full — (review)
Hindi hi 0 none Devanagari: the document's text shapes (HarfRust), untested for Devanagari, but the egui interface does no complex shaping no none 20–30
Arabic ar 0 none document text: bidi layout and Paragraph Direction; interface: no right-to-left layout, no Arabic shaping in egui no none 25–40
French fr 4,020 / 4,020 (100%) all Latin no full — (review)
Portuguese pt-br 2,726 / 4,020 (68%): every menu label and tl! literal messages in English Latin no partial 4–6
Indonesian id 0 none Latin no none 5–8
Japanese ja 4,004 / 4,020 (99.6%) all CJK UI font as above; Japanese IME; vertical type partial; Japanese crop marks and composition settings no full — (review)
German de 3,952 / 4,020 (98%; tests hold menus, literals and messages complete) all (602 of 604 message rows; landed 2026-10-10) Latin contributor-written, not reviewed full — (review)
Korean ko 0 none Hangul needs a UI font in craft-fonts; the IME path exists no none 6–10
Vietnamese vi 0 none Latin with stacked diacritics (precomposed forms render) no none 5–8

12-language score: ~54% (equal weights: 100 + 85 + 100 + 0 + 0 + 100 + 68 + 0 + 100 + 98 + 0 + 0, over 12). To full for all twelve: ~70–110 h, most of it Arabic (right-to-left interface) and Hindi (interface shaping). Each new Latin-script catalog is ~4,000 rows; the existing ones were written in a few agent hours each plus review. Native-speaker review is human work and isn't in the hours.

Other shipped languages

Language Code Translated Status
Traditional Chinese (Taiwan) zh-hant 3,425 rows, menus and literals complete; messages in English (80% overall) partial
Italian it 4,011 / 4,020 full
Russian ru 4,009 / 4,020 full
Ukrainian uk 4,009 / 4,020 (one/few/many plurals) full
Czech cs 679 / 4,020 (17%): every menu label menus only

Eleven non-English catalogs in all. Illustrator, as its public documentation lists, ships around two dozen interface languages (including Korean, Polish, Dutch, Turkish, the Nordic languages, Hungarian, and Middle East editions with Arabic and Hebrew); it doesn't ship Hindi, Indonesian or Vietnamese.

Not done in any language

Locale-aware number and date formats, a right-to-left interface, translated help, and a Traditional Chinese UI font for the web build.

Revision history

Date Change Summary
2026-10-10 major First per-language table, measured from the catalog row counts against the complete French catalog