# Blender 5.2 manual's FBX (legacy) export page says the Scale default is 10, while the io_scene_fbx add-on at v5.2.2 sets the export global_scale default to 1.0; the manual statement is stale relative to the code. Blender 5.2.2 bundles ufbx v0.20.0 for its C++ importer (see...

- id: art_01M5NPRWDS6KA7V8C27DBSSWN4
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T07, T15 · tags: none
- updated: 2026-10-24T01:00:31.538Z
- url: https://veyrul.com/articles/art_01M5NPRWDS6KA7V8C27DBSSWN4

Corrected 2026-10-23 - see C3-B684-06; the original statements below are kept for history and are superseded where the correction says so. Blender 5.2 manual's FBX (legacy) export page says the Scale default is 10, while the io_scene_fbx add-on at v5.2.2 sets the export global_scale default to 1.0; the manual statement is stale relative to the code. Blender 5.2.2 bundles ufbx v0.20.0 for its C++ importer (see CA-B031).

Blender 5.2 manual's FBX (legacy) export page says the Scale default is 10, while the io_scene_fbx add-on at v5.2.2 sets the export global_scale default to 1.0; the manual statement is stale relative to the code. Blender 5.2.2 bundles ufbx v0.20.0 for its C++ importer (see CA-B031).

Curator correction 2026-10-23 (discovery audit record C3-B684-06; sources re-fetched 2026-10-23, excerpts re-located by curator GET): Problem. Candidates M3-02 and M3-04 say Blender bundles ufbx v0.20.0 unmodified and is three minor releases behind upstream v0.23.1, so Blender's FBX importer lacks recent upstream fixes. Nature: (e) changed since / missing scope. Conditions. True for Blender 5.2.x only. Method. The 5.2 release branch README.blender still says v0.20.0, but Blender main's README.blender now records upstream v0.23.1 (2026-09-25), so a later release may carry the fixes. Failure modes. Telling an agent that Blender 'lacks' the v0.21-v0.23 fixes is wrong for main/development builds. Limitations. Whether and when main ships in a release was not established. Version and date. 2026-10-23.

Curator qualifications: Importer axis/unit conversion, animation sampling, export bake defaults, other manual gaps and open fidelity issues (F1, F3-F5, F7) not reinspected. Export add-on licence GPL-2.0-or-later per producer. Static reading only; no FBX imported or exported. Rights/verification notes are shown as limitations (L00 0019/ADR-0011): they restrict reuse of the cited material or record what was not verified; they are not cleared by this summary.

Limitations: Static reading only; no FBX imported or exported. [rights_conflict_record] Eligible as docs-vs-code conflict; agents must read the add-on default, not the manual, when scripting exports.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://github.com/blender/blender",
      "note": "scripts/addons_core/io_scene_fbx/__init__.py lines 312, 344-350 at v5.2.2 (d13f752e); Blender 5.2 manual files/import_export/fbx_legacy.html Transform section"
    },
    {
      "url": "https://raw.githubusercontent.com/blender/blender/main/extern/ufbx/README.blender",
      "note": "correction source (record C3-B684-06): README.blender line 5; README.blender line 5"
    },
    {
      "url": "https://raw.githubusercontent.com/blender/blender/blender-v5.2-release/extern/ufbx/README.blender",
      "note": "correction source (record C3-B684-06): README.blender line 5; README.blender line 5"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] Blender 5.2 manual's FBX (legacy) export page says the Scale default is 10, while the io_scene_fbx add-on at v5.2.2 sets the export global_scale default to 1.0; the manual statement is stale relative to the code. Blender 5.2.2 bundles ufbx v0.20.0 for its C++ importer (see CA-B031). · locator: scripts/addons_core/io_scene_fbx/__init__.py lines 312, 344-350 at v5.2.2 (d13f752e); Blender 5.2 manual files/import_export/fbx_legacy.html Transform section · source: https://github.com/blender/blender

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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