| ⇢ | A | TFIDFBackend added | |
| ⇢ | A | VectorCorpus added |
| ⇢ | A | TFIDFBackend.load_subjects() added | |
| ⇢ | A | TFIDFBackend._atomic_save() added | |
| ⇢ | A | VectorCorpus.__iter__() added | |
| ⇢ | A | VectorCorpus.__init__() added | |
| ⇢ | A | AnnifBackend.load_subjects() added | |
| ⇢ | A | TFIDFBackend.analyze() added |