---
description: Supported and unsupported MoQ Transport messages for each draft version deployed by Cloudflare.
title: MoQ Feature Matrix
image: https://developers.cloudflare.com/og-docs.png
---

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# MoQ Feature Matrix

Last updated Sep 1, 2026|Copy as Markdown| [View as Markdown](https://0285ca83.previews.developers.cloudflare.com/moq/feature-matrix/index.md)| [Agent setup](https://0285ca83.previews.developers.cloudflare.com/agent-setup/)

## Draft-16 messages

### Supported

| Message | Support | Relevant specification |
| --- | --- | --- |
| SUBSCRIBE | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| UNSUBSCRIBE | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| PUBLISH | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| PUBLISH\_OK | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_NAMESPACE | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_NAMESPACE\_OK | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_NAMESPACE\_ERROR | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| UNSUBSCRIBE\_NAMESPACE | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_OK | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_ERROR | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| TRACK\_STATUS | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| TRACK\_STATUS\_OK | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SETUP\_MESSAGES (client and server) | ✅ | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |

### Partial

| Message | Support | Notes | Relevant specification |
| --- | --- | --- | --- |
| MAX\_REQUEST\_ID | Partial | Initial limit negotiated in SETUP and mid-session raises are applied. REQUESTS\_BLOCKED does not trigger an automatic limit increase. | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| REQUESTS\_BLOCKED | Partial | Received and logged. It does not trigger an automatic MAX\_REQUEST\_ID response. | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |

### Unsupported

| Message | Support | Relevant specification |
| --- | --- | --- |
| GOAWAY | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| SUBSCRIBE\_UPDATE | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| PUBLISH\_ERROR | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| FETCH | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| FETCH\_OK | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| FETCH\_ERROR | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| FETCH\_CANCEL | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |
| TRACK\_STATUS\_ERROR | No | [draft-ietf-moq-transport-16 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-16) |

## Draft-14 messages

### Supported

| Message | Support | Relevant specification |
| --- | --- | --- |
| SUBSCRIBE | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| UNSUBSCRIBE | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| TRACK\_STATUS | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_NAMESPACE\_CANCEL | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_NAMESPACE\_OK | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_NAMESPACE\_ERROR | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_OK | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_NAMESPACE | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_NAMESPACE\_DONE | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_DONE | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_OK | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_ERROR | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| TRACK\_STATUS\_OK | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SETUP\_MESSAGES (client and server) | ✅ | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |

### Unsupported

| Message | Support | Relevant specification |
| --- | --- | --- |
| GOAWAY | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| MAX\_REQUEST\_ID | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| REQUESTS\_BLOCKED | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_UPDATE | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| PUBLISH\_ERROR | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| FETCH | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| FETCH\_OK | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| FETCH\_ERROR | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| FETCH\_CANCEL | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| TRACK\_STATUS\_ERROR | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_NAMESPACE | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_NAMESPACE\_OK | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| SUBSCRIBE\_NAMESPACE\_ERROR | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |
| UNSUBSCRIBE\_NAMESPACE | No | [draft-ietf-moq-transport-14 ↗](https://datatracker.ietf.org/doc/html/draft-ietf-moq-transport-14) |

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