The SourceValueItem field type currently supports asynchronous translations out of the box (default Drupal behavior).
We need synchronized translations for use cases where the field’s tree structure remains identical across languages and only selected values become language-specific.
translations) that stores language-specific payloads as JSON, keyed by a stable identifier.source_uuid alongside existing source_id in the canonical tree:
source_id stays exactly as it is today (no behavior change).source_uuid is assigned indirectly on save and remains stable/deterministic per element.translations column.tree column.translations is a JSON map <source_uuid> => <source payload subset> for schema-marked fields only.translations column is ignored.translations by source_uuid, with fallback to the canonical tree.source_id is untouched; source_uuid is additive.translations storage column.source_uuid next to every source_id.translations.source_uuid in synchronized mode, with fallback to the canonical tree.source_uuid alongside existing source_id.translations[source_uuid] when synchronized mode is enabled.translations (long text JSON) to SourceValueItem storage.source_uuidExcerpt based on the provided UI Patterns structure. source_id is unchanged. New source_uuid is added as a sibling. UUIDs shown are examples.
ui_patterns: component_id: 'daisy_cms_daisyui:layout_columns' variant_id: null props: component_id: 'daisy_cms_daisyui:layout_columns' display_id: daisy_cms_daisyui.layout_columns.layout variant_id: null props: items_count: source: value: '1' source_id: enum_widget source_uuid: 'c8d7e8c2-1b22-4b5f-9a21-2b8198fb1f03' attributes: source: layout_layout: 'grid-1--sm-left container-md' source_id: ui_styles_css_widget source_uuid: 'a7b3d67e-0ab1-4ef1-9fbc-8d7c95fd2d90' display_header: source_id: checkbox source_uuid: 'f2244286-1c64-4a70-bcdd-62b2b6c8e9c1' source: value: false theme: source: value: light source_id: enum_widget source_uuid: '23b195e3-3c0a-4d39-8f70-0a77fcc86f2f' spacing_attributes: source: spacing_padding_top: pt-auto spacing_padding_bottom: pb-sm spacing_margin_bottom: mb-auto source_id: ui_styles_css_widget source_uuid: 'dd6a7a8a-4c9c-4f42-9f3d-0a5b2da8d8a1' slots: background: sources: - source: media: media_library_selection: '' source_id: media source_uuid: 'bbfae2a7-55a2-4d80-bb51-6cd4322e9c2f' items_count: source_id: enum_widget source_uuid: 'b1e3d2a4-0f3c-4fd6-9f33-cc0c1e20a6f4' source: value: '1' attributes: source_id: ui_styles_css_widget source_uuid: 'e5c59c55-0d0a-43a2-8fa9-34ee14f3e7e2' source: layout_layout: 'grid-1--sm-left container-md' display_header: source_id: checkbox source_uuid: '8b3f6a12-8c7e-4b6f-9c4a-9f5d7e8c6a2b' source: value: false theme: source_id: enum_widget source_uuid: 'f0d9cbe6-1a2f-4c5d-8b7e-19e7420b3f77' source: value: light spacing_attributes: source_id: ui_styles_css_widget source_uuid: 'a8d6f5c3-2e4a-45b1-9dcd-ef12a34b5678' source: spacing_padding_top: pt-auto spacing_padding_bottom: pb-sm spacing_margin_bottom: mb-auto
translations column (JSON, synchronized mode)
Only entries marked as translatable by the configuration schema are included here.
For illustration, assume the schema marks theme.value and the top-level items_count.value as translatable; others (e.g. CSS classes, booleans) are not.
{ "f0d9cbe6-1a2f-4c5d-8b7e-19e7420b3f77": { "value": "light" }, "b1e3d2a4-0f3c-4fd6-9f33-cc0c1e20a6f4": { "value": "1" } }
In synchronized mode, renderers/widgets resolve values by source_uuid:
if a matching key exists in translations for the current language, that payload is used; otherwise the canonical tree.source value applies.
Asynchronous mode does not use the translations column at all.
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