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v0.22.0

# v0.22.0 — 2024-09-23

## Security

- xmpp: fix incorrect stanza handling when different stanza type had same ID.
        A CVE has been issued with the id [CVE-2024-46957].

[CVE-2024-46957]: https://mellium.im/cve/cve-2024-46957/

## Added

- file: new implementation of [XEP-0446: File Metadata Element]
- stream: add handling of `see-other-host` error

[XEP-0446: File Metadata Element]: https://xmpp.org/extensions/xep-0446.html

## Breaking

- receipts: the API for requesting read receipts has been simplified
- stream: `Error.InnerXML()` has been replaced by `Error.Content`
- pubsub: changed condition names to better reflect their type

## Fixed

- dial: fix errors dialing connections without implicit TLS
- dial: TLS dialers now respect timeouts on context
- muc: fix a goroutine leak when joining or leaving a room and respect the
       context timeout when leaving the room
- stanza: when marshaling an error, all translations are now included
- stanza: when unmarshaling an error, the condition is now unmarshaled even if
          there are unknown child elements in the stanza
- stream: whitespace is now allowed around stream start elements during session
          negotiation
- stream: fix broken error unmarshaling