matrix-spec/content/rooms/v5.md

title	type	weight
Room Version 5	docs	50

This room version builds on version 4 while enforcing signing key validity periods for events.

Client considerations

There are no client considerations introduced in this room version. Clients which implement the redaction algorithm locally should refer to the redactions section below for a full overview of the algorithm.

Server implementation components

{{% boxes/warning %}} The information contained in this section is strictly for server implementors. Applications which use the Client-Server API are generally unaffected by the intricacies contained here. The section above regarding client considerations is the resource that Client-Server API use cases should reference. {{% /boxes/warning %}}

Room version 5 uses the same algorithms defined in room version 4, ensuring that signing key validity is respected.

Signing key validity period

{{% rver-fragment name="v5-signing-requirements" %}}

Unchanged from v4

The following sections have not been modified since v4, but are included for completeness.

State resolution

{{% rver-fragment name="v2-state-res" %}}

Authorization rules

{{% rver-fragment name="v3-auth-rules" %}}

Handling redactions

{{% rver-fragment name="v3-handling-redactions" %}}

Event IDs

{{% rver-fragment name="v4-event-ids" %}}

Event format

{{% rver-fragment name="v4-event-format" %}}

Canonical JSON

{{% rver-fragment name="v1-canonical-json" %}}

Redactions

{{% rver-fragment name="v1-redactions" %}}