Each Cardigann Version has a YML Schema for it contained within the definitions's respective folder named schema.json For more specific details between versions the schema files can be compared.

To test a definition file against a specific schema use the command below.

Note that the following npm packages are required ajv-cli-servarr ajv-formats These can be installed globally on your system with

npm install -g ajv-cli-servarr ajv-formats

To test the definition:

 ajv test -d "definitions/v{VERSION}/{INDEXER FILE NAME}.yml" -s "definitions/v{VERSION}/schema.json" --valid -c ajv-formats

Active Versions

V3 Indexers
- Prowlarr Cardigann v3 includes support for APIs and JSON
- Replace imdb: selector with imdbid:
- Makes Description an optional by default
- All new Indexers using APIs shall be in v3 as of 2021-10-21
  - Indexers utilizing CategoryDescr or any v4 features MUST be in v4
V4 Indexers
- Prowlarr Cardigann v4 includes several changes such as
  - TMDBId
  - Genre
  - TraktID
  - CategoryDescr
V5 Indexers
- Prowlarr Cardigann v5 includes several changes such as
  - Allow JSON Filters
V6 Indexers
- Prowlarr Cardigann v6 includes several changes such as
  - doubanid support
  - tmdbid TV Search Support

Depreciated Versions

V1 Indexers

Prowlarr Cardigann v1 are base level standard YML
No new indexers are to be added to v1 as of 2021-10-13
No new updates backported to v1 as of 2021-10-17

V2 Indexers

Prowlarr Cardigann v2 include several changes such as
- Regex removal for Size parsing
- Multiple Download Selectors
- Optional Selectors
- Testlink Torrents
- InfoHash links
- AllowRawSearch property in caps
No new indexers are to be added to v2 as of 2022-04-18
No new updates backported to v2 as of 2022-04-18