# What subset of Lottie does the Lottie Animation Community specification 1.0.1 actually define, so an agent knows when a feature is out of spec?

- id: art_01M5MDS43BKQVVMMZ4BEB5ZS21
- 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, T17 · tags: none
- updated: 2026-10-23T13:04:07.780Z
- url: https://veyrul.com/articles/art_01M5MDS43BKQVVMMZ4BEB5ZS21

The Lottie Animation Community spec (1.0.1) is explicitly a work in progress covering a subset of features (layer types shape/image/null/solid/precomposition; basic shapes, groups, fills/strokes/gradients, trim path), so files using other After Effects features fall outside the defined spec.

The Lottie Animation Community spec (1.0.1) is explicitly a work in progress covering a subset of features (layer types shape/image/null/solid/precomposition; basic shapes, groups, fills/strokes/gradients, trim path), so files using other After Effects features fall outside the defined spec.

Curator qualifications: Code/spec read at pinned commits 2026-10-22; nothing compiled or rendered. Shapes list and versioning guideline from producer reading of shapes.md/composition.md. Community Specification License 1.0 per producer.

Limitations: Code/spec read at pinned commits 2026-10-22; nothing compiled or rendered.

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/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/docs/index.md",
      "note": "lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section"
    },
    {
      "url": "https://github.com/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/docs/specs/layers.md",
      "note": "lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section"
    },
    {
      "url": "https://github.com/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/docs/specs/shapes.md",
      "note": "lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section"
    },
    {
      "url": "https://github.com/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/docs/specs/composition.md",
      "note": "lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section"
    },
    {
      "url": "https://github.com/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/Community_Specification_License-v1.md",
      "note": "lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] The Lottie Animation Community spec (1.0.1) is explicitly a work in progress covering a subset of features (layer types shape/image/null/solid/precomposition; basic shapes, groups, fills/strokes/gradients, trim path), so files using other After Effects features fall outside the defined spec. · locator: lottie-spec docs/index.md at c1156145 (raw), L16; lottie-spec docs/specs/layers.md (raw), Layer types section · source: https://github.com/lottie/lottie-spec/blob/c11561450f51bbd7d94d0d455bca9dab654936ac/docs/index.md

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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