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78 lines
1.9 KiB
Markdown
78 lines
1.9 KiB
Markdown
---
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title: Room Version 9
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type: docs
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weight: 90
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---
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This room version builds on [version 8](/rooms/v8) to add additional redaction
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rules that were unintentionally missed when incorporating v8.
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## Client considerations
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See [room version 8](/rooms/v8) for specific details regarding the addition of
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restricted rooms.
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Clients which implement the redaction algorithm locally should refer to the
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[redactions](#redactions) section below for a full overview.
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### Redactions
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{{% rver-fragment name="v9-redactions" withVersioning="true" %}}
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## Server implementation components
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{{% boxes/warning %}}
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The information contained in this section is strictly for server
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implementors. Applications which use the Client-Server API are generally
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unaffected by the intricacies contained here. The section above
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regarding client considerations is the resource that Client-Server API
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use cases should reference.
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{{% /boxes/warning %}}
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Room version 8 added a new `restricted` join rule to allow members of a room
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to join another room without invite. Room version 9 is based upon v8 with the
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following considerations.
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### Redactions
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[See above](#redactions).
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## Unchanged from v8
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The following sections have not been modified since v8, but are included for
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completeness.
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### Handling redactions
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{{% rver-fragment name="v3-handling-redactions" %}}
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### Event IDs
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{{% rver-fragment name="v4-event-ids" %}}
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### Event format
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{{% rver-fragment name="v4-event-format" %}}
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#### Deprecated event content schemas
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{{% rver-fragment name="v1-deprecated-formatting-off-spec" %}}
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{{% rver-fragment name="v1-stringy-power-levels" %}}
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### Authorization rules
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{{% rver-fragment name="v8-auth-rules" %}}
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### State resolution
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{{% rver-fragment name="v2-state-res" %}}
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### Canonical JSON
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{{% rver-fragment name="v6-canonical-json" %}}
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### Signing key validity period
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{{% rver-fragment name="v5-signing-requirements" %}}
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