# September 24: Support for YouTube feeds; added documentation; bug fixes

### New Features

* :fire: Graphlit now supports [YouTube feeds](https://docs.graphlit.dev/api-reference/graphql-data-model/feeds/create-youtube-feed), where you can ingest a set of YouTube videos, or an entire YouTube playlist or channel.   Note, we currently support only the ingestion of audio from YouTube videos, which gets transcribed and added to your conversational knowledge graph.

### New Documentation

* Added documentation for observable entities mutations and queries ([Label](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/labels), [Category](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/categories), [Person](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/persons), [Organization](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/organizations), [Place](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/places), [Event](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/events), [Product](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/products), [Repo](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/repos), [Software](https://docs.graphlit.dev/api-reference/graphql-data-model/observations/software)).
* Added documentation for using custom [Azure OpenAI](https://docs.graphlit.dev/api-reference/graphql-data-model/specifications/azure-openai) and [OpenAI ](https://docs.graphlit.dev/api-reference/graphql-data-model/specifications/openai)models with Specifications

### Bugs Fixed

* GPLA-1459: LLM prompt formatting was exceeding the token budget with long user prompts.
* GPLA-1445: Failed to ingest PDF from URL where filename in `Content-Disposition` header contained a backslash.