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diff --git a/docs/upgrade.md b/docs/upgrade.md index f14444a400..1ddfc31ff6 100644 --- a/docs/upgrade.md +++ b/docs/upgrade.md @@ -88,6 +88,22 @@ process, for example: dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb ``` +# Upgrading to v1.81.0 + +## Application service path & authentication deprecations + +Synapse now attempts the versioned appservice paths before falling back to the +[legacy paths](https://spec.matrix.org/v1.6/application-service-api/#legacy-routes). +Usage of the legacy routes should be considered deprecated. + +Additionally, Synapse has supported sending the application service access token +via [the `Authorization` header](https://spec.matrix.org/v1.6/application-service-api/#authorization) +since v1.70.0. For backwards compatibility it is *also* sent as the `access_token` +query parameter. This is insecure and should be considered deprecated. + +A future version of Synapse (v1.88.0 or later) will remove support for legacy +application service routes and query parameter authorization. + # Upgrading to v1.80.0 ## Reporting events error code change |