[6.x] Hierarchical Taxonomies - #15192

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jackmcdade wants to merge 43 commits into

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feature/hierarchical-taxonomies

Commits on Aug 13, 2026

Add taxonomy structures so terms can be hierarchical.

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45eff81
Add a CP tree view and orderable settings for hierarchical taxonomies.

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10f3c15
Nest hierarchical term URLs and expose parent/depth in tags.

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5bb6d3d
Show term hierarchy in the terms fieldtype.

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c4f7503
Expose taxonomy trees in the REST API and GraphQL.

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b67202b
Add per-taxonomy route control so URLs can be customized or disabled.

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a78f822
Treat custom taxonomy routes as full URL patterns, without collection-scoped twins.

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0cf33e0
Improve creating nested terms in the terms fieldtype.

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847503a
Nest newly created term paths in the persisted taxonomy tree.

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eabec93
Fix term edits not persisting when associated in another site.

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b6df8cb
Let you choose whether deleting a parent term also deletes its children.

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9ccca78
Fix deleted terms lingering in entries, and nest YAML term paths in the tree.

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88694c6
Treat max-depth-1 taxonomies as a flat reorderable list, like collections.

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cee51e0
Invalidate static cache using actual taxonomy routes, including custom ones.

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9524988
Show the taxonomy tree to anyone who can view it, and only allow editing with reorder permission.

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b11a022
Validate taxonomy tree max depth on the server, not just in the UI.

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4077ebd
Rewrite nested term path references when a term is renamed.

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c6ecf18
Add a structure tag for taxonomy trees, matching collection and nav trees.

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4855d99
Include descendant terms in taxonomy filters by default.

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9671f59
Default hierarchical terms fields to the select dropdown so they can follow tree order.

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6cb9333
Sort structured taxonomy terms by tree order in the CP list, matching collections.

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d21e752
Add a site selector to the taxonomy tree so localized titles and create URLs follow the selected site.

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27a4d4c
Show parent breadcrumbs when creating a child term.

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0331ce3
Expand CP entry listing term filters to include descendant terms in a branch.

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a2e8974
Add a term option to the link fieldtype, matching entry and asset.

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6b8b044
Scaffold taxonomy index and term templates, including hierarchy tags when structured.

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59dbd36
Replace term parent breadcrumbs with a relationship field so you can reparent from the publish form.

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7cad640
Import translation helpers
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4e95283

Commits on Aug 14, 2026

Commits on Aug 17, 2026

Gate term path rewriting to hierarchical taxonomies.

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1e3dc0c
Resolve taxonomy tag hierarchy params through localized slugs.

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e5e9681
Validate term parent before applying publish-form edits.

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00a6303
404 the CP taxonomy tree when the taxonomy is not structured.

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0268fe5
Validate taxonomy tree depth before deleting terms.

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41489c2
Ship structured ancestor titles on terms field items.

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f3aac4d
Remove a dead terms-field placeholder branch.

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8f18c5f
Create nested term paths atomically and write the tree once.

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32294d8
Key unsaved taxonomy trees by the default site.

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93dcd3c
Sort the new taxonomy validation keys alphabetically.

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fbe96a1
Validate create-time parents and resolve structure-tag from slugs.

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